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Orbit portrait

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Orbit portraits turn out to be useful combinatorial objects in studying the connection between the dynamics and the parameter spaces of other families of maps as well. In particular, they have been used to study the patterns of all periodic dynamical rays landing on a periodic cycle of a unicritical
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that every formal orbit portrait is realized by the actual orbit portrait of a periodic orbit of some quadratic one-complex-dimensional map. Orbit portraits contain dynamical information about how external rays and their landing points map in the plane, but formal orbit portraits are no more than
1095:{\displaystyle {\mathcal {P}}=\left\{\left({\frac {11}{31}},{\frac {12}{31}}\right),\left({\frac {22}{31}},{\frac {24}{31}}\right),\left({\frac {13}{31}},{\frac {17}{31}}\right),\left({\frac {26}{31}},{\frac {3}{31}}\right),\left({\frac {21}{31}},{\frac {6}{31}}\right)\right\rbrace } 1744: 1500:{\displaystyle {\mathcal {P}}=\left\{\left({\frac {74}{511}},{\frac {81}{511}},{\frac {137}{511}}\right),\left({\frac {148}{511}},{\frac {162}{511}},{\frac {274}{511}}\right),\left({\frac {296}{511}},{\frac {324}{511}},{\frac {37}{511}}\right)\right\rbrace } 1316: 1199: 747: 600: 1517: 3032:
which is strictly contained within every other critical value arc. The characteristic arc is a complete invariant of an orbit portrait, in the sense that two orbit portraits are identical if and only if they have the same characteristic arc.
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428: 2210:. An alternative definition is that an orbit portrait is nontrivial if it is maximal, which in this case means that there is no orbit portrait that strictly contains it (i.e. there does not exist an orbit portrait 167: 2270: 3146:. Sectors are naturally identified the complementary arcs based at the same point. The angular width of a sector is defined as the length of its corresponding complementary arc. Sectors are called 1655: 236: 1512:
For parabolic julia set c = -1.125 + 0.21650635094611*i. It is a root point between period 2 and period 6 components of Mandelbrot set. Orbit portrait of period 2 orbit with valence 3 is :
3641: 2315: 3520: 3026: 2086: 1842: 2963: 2487: 2921: 2428: 2142: 110: 879:{\displaystyle {\mathcal {P}}=\left\{\left({\frac {4}{9}},{\frac {5}{9}}\right),\left({\frac {8}{9}},{\frac {1}{9}}\right),\left({\frac {7}{9}},{\frac {2}{9}}\right)\right\rbrace } 732:{\displaystyle {\mathcal {P}}=\left\{\left({\frac {3}{7}},{\frac {4}{7}}\right),\left({\frac {6}{7}},{\frac {1}{7}}\right),\left({\frac {5}{7}},{\frac {2}{7}}\right)\right\rbrace } 1639:{\displaystyle {\mathcal {P}}=\left\{\left({\frac {22}{63}},{\frac {25}{63}},{\frac {37}{63}}\right),\left({\frac {11}{63}},{\frac {44}{63}},{\frac {50}{63}}\right)\right\rbrace } 1240: 1957: 3700: 1123: 3975: 3911: 3578: 3419: 1233: 3752: 3665: 3602: 3487: 3445:. These two parameter rays, along with their common landing point, split the parameter space into two open components. Let the component that does not contain the point 3443: 3390: 3320: 2595: 2364: 1775: 455: 2867: 2840: 3946: 2723: 2690: 2657: 1908: 3882: 3855: 3292: 3265: 3226: 3144: 3097: 3066: 2993: 2773: 2624: 2568: 2541: 2514: 2455: 2186: 2050: 1875: 1806: 530: 485: 343: 308: 3828: 3802: 2208: 2000: 3772: 3728: 3463: 3195: 3175: 3117: 2887: 2813: 2793: 2746: 2020: 1977: 281: 256: 173: 3366: 514:
Julia set with period-two parabolic orbit. The associated orbit portrait has characteristic arc I = (22/63, 25/63) and valence v = 3 rays per orbit point.
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are periodic under the doubling map of the circle, and all of the angles have the same exact period. This period must be a multiple of
510: 2370:. Trivial orbit portraits are pathological in some respects, and in the sequel we will refer only to nontrivial orbit portraits. 2213: 1509:
Rays for above angles land on points of that orbit . Parameter c is a center of period 9 hyperbolic component of Mandelbrot set.
1739:{\displaystyle {\mathcal {P}}=\left\{\left({\frac {1}{15}},{\frac {2}{15}},{\frac {4}{15}},{\frac {8}{15}}\right)\right\rbrace } 182: 2317:). It is easy to see that every trivial formal orbit portrait is realized as the orbit portrait of some orbit of the map 2692:
once, except for a single arc, which it covers twice. The arc that it covers twice is called the critical value arc for
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has a unique largest arc based at it, which is called its critical arc. The critical arc always has length greater than
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be the common landing point of the two external angles in parameter space corresponding to the characteristic arc of
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Much as the rays landing on the orbit divide up the circle, they divide up the complex plane. For every point
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Milnor, John W. (1999). "Periodic Orbits, Externals Rays and the Mandelbrot Set: An Expository Account".
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combinatorial objects. Milnor's theorem states that, in truth, there is no distinction between the two.
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are pairwise unlinked, which is to say that given any pair of them, there are two disjoint intervals of
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Other than the zero portrait, there are two types of orbit portraits: primitive and satellite. If
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divides the circle into a number of disjoint intervals, called complementary arcs based at the point
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when the corresponding arcs are, respectively, critical arcs and critical value arcs.
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is the recurrent ray period, then these two types may be characterized as follows:
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is a pair of angles, each in a distinct orbit of the doubling map. In this case,
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of subsets of the circle which satisfy these four properties above is called a
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with c= -0.03111+0.79111*i portrait of parabolic period 3 orbit is :
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have only a single element are called trivial, except for orbit portrait
162:{\displaystyle f_{c}:\mathbb {\mathbb {C} } \to \mathbb {\mathbb {C} } } 2626:, except for the critical arc, maps diffeomorphically to an arc based 39:
a list of external angles for which rays land on points of that orbit
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in parameter space if and only if there exists an orbit portrait
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is in every critical value arc. Also, the two inverse images of
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is the base point of a parabolic bifurcation in parameter space.
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is the base point of a baby Mandelbrot set in parameter space.
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is realized with a parabolic orbit only for the single value
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must have the same number of elements, which is called the
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as its characteristic arc. For any orbit portrait
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These arcs have the property that every arc based at
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Among all of the critical value arcs for all of the
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has a well-defined external angle. Call this angle
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Periodic orbits and external rays by Evgeny Demidov
3969: 3940: 3905: 3876: 3849: 3822: 3796: 3766: 3746: 3722: 3694: 3659: 3636:{\displaystyle c\in {\mathcal {W}}_{\mathcal {P}}} 3635: 3596: 3572: 3514: 3481: 3457: 3437: 3413: 3384: 3360: 3314: 3286: 3259: 3220: 3189: 3169: 3138: 3111: 3091: 3060: 3020: 2995:'s, there is a unique smallest critical value arc 2987: 2957: 2915: 2881: 2861: 2834: 2807: 2787: 2767: 2740: 2717: 2684: 2651: 2618: 2589: 2562: 2535: 2508: 2481: 2449: 2422: 2358: 2309: 2264: 2202: 2180: 2136: 2080: 2044: 2014: 1994: 1971: 1951: 1902: 1869: 1836: 1800: 1769: 1738: 1638: 1499: 1310: 1227: 1193: 1094: 878: 731: 587: 479: 449: 422: 337: 302: 275: 250: 230: 161: 104: 2659:, and the critical arc covers every arc based at 4025:Journal of Difference Equations and Applications 3157:Sectors also have the interesting property that 2310:{\displaystyle A_{j}\subsetneq A_{j}^{\prime }} 1109:Valence is 3 so rays land on each orbit point. 3177:is in the critical sector of every point, and 35:In simple words one can say that it is : 3515:{\displaystyle {\mathcal {W}}_{\mathcal {P}}} 3021:{\displaystyle {\mathcal {I}}_{\mathcal {P}}} 2088:where each interval contains one of the sets. 2081:{\displaystyle {\mathbb {R} }/{\mathbb {Z} }} 1837:{\displaystyle {\mathbb {R} }/{\mathbb {Z} }} 8: 2417: 2385: 2259: 2217: 2131: 2099: 506:with external rays landing on period-3 orbit 417: 388: 225: 196: 259: 2958:{\displaystyle {\frac {\theta _{c}+1}{2}}} 4140: 4130: 4067: 3960: 3959: 3953: 3921: 3896: 3895: 3889: 3868: 3862: 3841: 3835: 3809: 3783: 3759: 3738: 3737: 3735: 3715: 3685: 3684: 3672: 3651: 3650: 3648: 3626: 3625: 3619: 3618: 3609: 3588: 3587: 3585: 3558: 3536: 3530: 3505: 3504: 3498: 3497: 3494: 3473: 3472: 3470: 3450: 3429: 3428: 3426: 3404: 3403: 3397: 3376: 3375: 3373: 3349: 3336: 3327: 3306: 3305: 3303: 3278: 3272: 3251: 3245: 3212: 3206: 3182: 3162: 3130: 3124: 3104: 3083: 3077: 3052: 3046: 3011: 3010: 3004: 3003: 3000: 2979: 2973: 2937: 2930: 2928: 2902: 2896: 2894: 2874: 2853: 2847: 2826: 2820: 2800: 2780: 2759: 2753: 2733: 2703: 2697: 2670: 2664: 2637: 2631: 2610: 2604: 2577: 2575: 2554: 2548: 2527: 2521: 2500: 2494: 2482:{\displaystyle \mathbb {R} /\mathbb {Z} } 2475: 2474: 2469: 2465: 2464: 2462: 2441: 2435: 2411: 2392: 2383: 2350: 2328: 2322: 2301: 2296: 2283: 2277: 2253: 2248: 2229: 2224: 2215: 2195: 2193: 2172: 2166: 2125: 2106: 2097: 2073: 2072: 2071: 2066: 2061: 2060: 2059: 2057: 2036: 2030: 2007: 1984: 1964: 1943: 1924: 1918: 1910:and preserves cyclic order of the angles. 1888: 1882: 1861: 1855: 1829: 1828: 1827: 1822: 1817: 1816: 1815: 1813: 1792: 1786: 1761: 1760: 1758: 1717: 1704: 1691: 1678: 1660: 1659: 1657: 1616: 1603: 1590: 1567: 1554: 1541: 1522: 1521: 1519: 1477: 1464: 1451: 1428: 1415: 1402: 1379: 1366: 1353: 1334: 1333: 1331: 1289: 1276: 1263: 1245: 1244: 1242: 1224: 1218: 1206: 1190: 1179: 1173: 1172: 1157: 1151: 1150: 1135: 1129: 1128: 1125: 1072: 1059: 1036: 1023: 1000: 987: 964: 951: 928: 915: 896: 895: 893: 856: 843: 820: 807: 784: 771: 752: 751: 749: 709: 696: 673: 660: 637: 624: 605: 604: 602: 566: 553: 535: 534: 532: 471: 465: 441: 440: 438: 411: 395: 376: 375: 366: 365: 356: 355: 353: 329: 323: 294: 288: 268: 243: 219: 203: 187: 186: 184: 154: 153: 152: 144: 143: 142: 133: 127: 87: 68: 62: 2916:{\displaystyle {\frac {\theta _{c}}{2}}} 432:the orbit portrait of the periodic orbit 4008: 3706:Primitive and satellite orbit portraits 2748:escapes to infinity under iteration of 2423:{\displaystyle \{A_{1},\ldots ,A_{n}\}} 2137:{\displaystyle \{A_{1},\ldots ,A_{n}\}} 263:(where subscripts are taken 1 + modulo 105:{\displaystyle f_{c}:z\mapsto z^{2}+c.} 30:one-complex dimensional quadratic maps 2161:Orbit portrait where all of the sets 1913:All of the angles in all of the sets 1850:on the circle gives a bijection from 519:Parabolic or repelling orbit portrait 7: 3730:is the valence of an orbit portrait 3604:with a repelling orbit exactly when 3228:, is in the critical value sector. 2022:is called the recurrent ray period. 1952:{\displaystyle A_{1},\ldots ,A_{n}} 3695:{\displaystyle c=r_{\mathcal {P}}} 3119:open sets called sectors based at 2965:) are both in every critical arc. 28:for understanding the behavior of 14: 4091:Chaotic 1D maps by Evgeny Demidov 2457:is a finite subset of the circle 4016:Flek, Ross; Keen, Linda (2010). 3970:{\displaystyle r_{\mathcal {P}}} 3906:{\displaystyle r_{\mathcal {P}}} 3573:{\displaystyle f_{c}(z)=z^{2}+c} 3414:{\displaystyle r_{\mathcal {P}}} 24:is a combinatorial tool used in 4142:10.1090/S1088-4173-2015-00276-3 4119:Conformal Geometry and Dynamics 3916:Satellite orbit portraits have 3778:Primitive orbit portraits have 1979:, so the period is of the form 1228:{\displaystyle z=\alpha _{c}\,} 4113:Mukherjee, Sabyasachi (2015). 3747:{\displaystyle {\mathcal {P}}} 3660:{\displaystyle {\mathcal {P}}} 3597:{\displaystyle {\mathcal {P}}} 3548: 3542: 3482:{\displaystyle {\mathcal {P}}} 3438:{\displaystyle {\mathcal {P}}} 3385:{\displaystyle {\mathcal {P}}} 3355: 3329: 3315:{\displaystyle {\mathcal {P}}} 3294:land at the same point of the 2590:{\displaystyle {\frac {1}{2}}} 2359:{\displaystyle f_{0}(z)=z^{2}} 2340: 2334: 1777:has the following properties: 1770:{\displaystyle {\mathcal {P}}} 450:{\displaystyle {\mathcal {O}}} 382: 372: 149: 80: 1: 3987:anti-holomorphic polynomial. 3580:realizes the orbit portrait 1322:complex quadratic polynomial 1201:, which land on fixed point 2862:{\displaystyle \theta _{c}} 2835:{\displaystyle \theta _{c}} 4179: 2795:is in the Julia set, then 4037:10.1080/10236190903205080 3941:{\displaystyle r=v\geq 2} 1120:of period 3 cycle : 2889:under the doubling map ( 42:graph showing above list 2718:{\displaystyle z_{j+1}} 2685:{\displaystyle z_{j+1}} 2652:{\displaystyle z_{j+1}} 2157:Trivial orbit portraits 1903:{\displaystyle A_{j+1}} 3971: 3942: 3907: 3878: 3851: 3824: 3798: 3768: 3748: 3724: 3696: 3661: 3637: 3598: 3574: 3516: 3483: 3459: 3439: 3415: 3386: 3362: 3316: 3288: 3261: 3222: 3191: 3171: 3152:critical value sectors 3140: 3113: 3099:divide the plane into 3093: 3062: 3022: 2989: 2959: 2917: 2883: 2863: 2836: 2809: 2789: 2769: 2742: 2719: 2686: 2653: 2620: 2591: 2564: 2537: 2510: 2483: 2451: 2424: 2360: 2311: 2266: 2204: 2182: 2148:. It is a theorem of 2138: 2082: 2046: 2016: 1996: 1973: 1953: 1904: 1871: 1838: 1808:is a finite subset of 1802: 1771: 1749:Formal orbit portraits 1740: 1640: 1501: 1312: 1235: 1229: 1195: 1096: 880: 733: 589: 515: 507: 481: 451: 424: 339: 304: 277: 252: 232: 174:repelling or parabolic 163: 106: 3972: 3943: 3908: 3879: 3877:{\displaystyle A_{j}} 3852: 3850:{\displaystyle f^{n}} 3825: 3799: 3769: 3749: 3725: 3697: 3662: 3638: 3599: 3575: 3517: 3489:-wake and denoted as 3484: 3460: 3440: 3416: 3387: 3363: 3317: 3289: 3287:{\displaystyle t_{+}} 3262: 3260:{\displaystyle t_{-}} 3223: 3221:{\displaystyle f_{c}} 3192: 3172: 3141: 3139:{\displaystyle z_{j}} 3114: 3094: 3092:{\displaystyle z_{j}} 3063: 3061:{\displaystyle z_{j}} 3023: 2990: 2988:{\displaystyle A_{j}} 2960: 2918: 2884: 2864: 2837: 2810: 2790: 2770: 2768:{\displaystyle f_{c}} 2743: 2720: 2687: 2654: 2621: 2619:{\displaystyle z_{j}} 2592: 2565: 2563:{\displaystyle z_{j}} 2538: 2536:{\displaystyle z_{j}} 2511: 2509:{\displaystyle A_{j}} 2484: 2452: 2450:{\displaystyle A_{j}} 2425: 2378:In an orbit portrait 2361: 2312: 2267: 2205: 2183: 2181:{\displaystyle A_{j}} 2146:formal orbit portrait 2139: 2083: 2047: 2045:{\displaystyle A_{j}} 2017: 1997: 1974: 1954: 1905: 1872: 1870:{\displaystyle A_{j}} 1839: 1803: 1801:{\displaystyle A_{j}} 1772: 1753:Every orbit portrait 1741: 1641: 1502: 1313: 1230: 1196: 1115: 1097: 881: 734: 590: 513: 502: 482: 480:{\displaystyle A_{j}} 452: 425: 340: 338:{\displaystyle z_{j}} 305: 303:{\displaystyle A_{j}} 278: 253: 233: 164: 107: 3952: 3920: 3888: 3861: 3834: 3808: 3782: 3758: 3734: 3714: 3671: 3647: 3608: 3584: 3529: 3524:quadratic polynomial 3493: 3469: 3449: 3425: 3396: 3372: 3326: 3302: 3271: 3244: 3205: 3181: 3161: 3123: 3103: 3076: 3045: 2999: 2972: 2927: 2893: 2873: 2846: 2819: 2799: 2779: 2752: 2732: 2696: 2663: 2630: 2603: 2574: 2547: 2520: 2493: 2461: 2434: 2382: 2321: 2276: 2214: 2192: 2165: 2096: 2056: 2029: 2006: 1983: 1963: 1917: 1881: 1854: 1812: 1785: 1757: 1656: 1518: 1330: 1241: 1205: 1124: 892: 748: 601: 531: 464: 437: 352: 322: 314:whose corresponding 287: 267: 242: 183: 126: 61: 4078:1999math......5169M 3823:{\displaystyle v=2} 3797:{\displaystyle r=1} 2306: 2258: 2234: 2203:{\displaystyle {0}} 3967: 3938: 3903: 3874: 3847: 3820: 3794: 3764: 3744: 3720: 3692: 3657: 3633: 3594: 3570: 3512: 3479: 3455: 3435: 3411: 3382: 3358: 3322:with the interval 3312: 3284: 3257: 3218: 3187: 3167: 3136: 3109: 3089: 3068:of the orbit, the 3058: 3030:characteristic arc 3018: 2985: 2955: 2913: 2879: 2859: 2832: 2805: 2785: 2765: 2738: 2715: 2682: 2649: 2616: 2587: 2560: 2533: 2506: 2479: 2447: 2420: 2356: 2307: 2292: 2262: 2244: 2220: 2200: 2178: 2134: 2078: 2042: 2012: 1995:{\displaystyle rn} 1992: 1969: 1949: 1900: 1867: 1834: 1798: 1767: 1736: 1636: 1497: 1308: 1236: 1225: 1191: 1092: 876: 729: 585: 516: 508: 477: 447: 420: 335: 300: 273: 262: 248: 228: 159: 102: 4163:Dynamical systems 3767:{\displaystyle r} 3723:{\displaystyle v} 3458:{\displaystyle 0} 3190:{\displaystyle c} 3170:{\displaystyle 0} 3112:{\displaystyle v} 2953: 2911: 2882:{\displaystyle c} 2808:{\displaystyle c} 2788:{\displaystyle c} 2741:{\displaystyle c} 2585: 2015:{\displaystyle r} 1972:{\displaystyle n} 1725: 1712: 1699: 1686: 1624: 1611: 1598: 1575: 1562: 1549: 1485: 1472: 1459: 1436: 1423: 1410: 1387: 1374: 1361: 1297: 1284: 1271: 1187: 1165: 1143: 1080: 1067: 1044: 1031: 1008: 995: 972: 959: 936: 923: 864: 851: 828: 815: 792: 779: 717: 704: 681: 668: 645: 632: 574: 561: 491:of the portrait. 276:{\displaystyle n} 251:{\displaystyle f} 4170: 4147: 4146: 4144: 4134: 4110: 4104: 4099: 4093: 4088: 4082: 4081: 4071: 4055: 4049: 4048: 4031:(5–6): 555–572. 4022: 4013: 3976: 3974: 3973: 3968: 3966: 3965: 3964: 3947: 3945: 3944: 3939: 3912: 3910: 3909: 3904: 3902: 3901: 3900: 3883: 3881: 3880: 3875: 3873: 3872: 3856: 3854: 3853: 3848: 3846: 3845: 3829: 3827: 3826: 3821: 3803: 3801: 3800: 3795: 3773: 3771: 3770: 3765: 3753: 3751: 3750: 3745: 3743: 3742: 3729: 3727: 3726: 3721: 3701: 3699: 3698: 3693: 3691: 3690: 3689: 3666: 3664: 3663: 3658: 3656: 3655: 3642: 3640: 3639: 3634: 3632: 3631: 3630: 3624: 3623: 3603: 3601: 3600: 3595: 3593: 3592: 3579: 3577: 3576: 3571: 3563: 3562: 3541: 3540: 3521: 3519: 3518: 3513: 3511: 3510: 3509: 3503: 3502: 3488: 3486: 3485: 3480: 3478: 3477: 3464: 3462: 3461: 3456: 3444: 3442: 3441: 3436: 3434: 3433: 3420: 3418: 3417: 3412: 3410: 3409: 3408: 3391: 3389: 3388: 3383: 3381: 3380: 3367: 3365: 3364: 3361:{\displaystyle } 3359: 3354: 3353: 3341: 3340: 3321: 3319: 3318: 3313: 3311: 3310: 3293: 3291: 3290: 3285: 3283: 3282: 3266: 3264: 3263: 3258: 3256: 3255: 3227: 3225: 3224: 3219: 3217: 3216: 3196: 3194: 3193: 3188: 3176: 3174: 3173: 3168: 3148:critical sectors 3145: 3143: 3142: 3137: 3135: 3134: 3118: 3116: 3115: 3110: 3098: 3096: 3095: 3090: 3088: 3087: 3067: 3065: 3064: 3059: 3057: 3056: 3027: 3025: 3024: 3019: 3017: 3016: 3015: 3009: 3008: 2994: 2992: 2991: 2986: 2984: 2983: 2964: 2962: 2961: 2956: 2954: 2949: 2942: 2941: 2931: 2922: 2920: 2919: 2914: 2912: 2907: 2906: 2897: 2888: 2886: 2885: 2880: 2868: 2866: 2865: 2860: 2858: 2857: 2841: 2839: 2838: 2833: 2831: 2830: 2814: 2812: 2811: 2806: 2794: 2792: 2791: 2786: 2774: 2772: 2771: 2766: 2764: 2763: 2747: 2745: 2744: 2739: 2724: 2722: 2721: 2716: 2714: 2713: 2691: 2689: 2688: 2683: 2681: 2680: 2658: 2656: 2655: 2650: 2648: 2647: 2625: 2623: 2622: 2617: 2615: 2614: 2596: 2594: 2593: 2588: 2586: 2578: 2569: 2567: 2566: 2561: 2559: 2558: 2542: 2540: 2539: 2534: 2532: 2531: 2515: 2513: 2512: 2507: 2505: 2504: 2488: 2486: 2485: 2480: 2478: 2473: 2468: 2456: 2454: 2453: 2448: 2446: 2445: 2429: 2427: 2426: 2421: 2416: 2415: 2397: 2396: 2365: 2363: 2362: 2357: 2355: 2354: 2333: 2332: 2316: 2314: 2313: 2308: 2305: 2300: 2288: 2287: 2271: 2269: 2268: 2263: 2257: 2252: 2233: 2228: 2209: 2207: 2206: 2201: 2199: 2187: 2185: 2184: 2179: 2177: 2176: 2143: 2141: 2140: 2135: 2130: 2129: 2111: 2110: 2087: 2085: 2084: 2079: 2077: 2076: 2070: 2065: 2064: 2051: 2049: 2048: 2043: 2041: 2040: 2021: 2019: 2018: 2013: 2001: 1999: 1998: 1993: 1978: 1976: 1975: 1970: 1958: 1956: 1955: 1950: 1948: 1947: 1929: 1928: 1909: 1907: 1906: 1901: 1899: 1898: 1876: 1874: 1873: 1868: 1866: 1865: 1843: 1841: 1840: 1835: 1833: 1832: 1826: 1821: 1820: 1807: 1805: 1804: 1799: 1797: 1796: 1776: 1774: 1773: 1768: 1766: 1765: 1745: 1743: 1742: 1737: 1735: 1731: 1727: 1726: 1718: 1713: 1705: 1700: 1692: 1687: 1679: 1665: 1664: 1645: 1643: 1642: 1637: 1635: 1631: 1630: 1626: 1625: 1617: 1612: 1604: 1599: 1591: 1581: 1577: 1576: 1568: 1563: 1555: 1550: 1542: 1527: 1526: 1506: 1504: 1503: 1498: 1496: 1492: 1491: 1487: 1486: 1478: 1473: 1465: 1460: 1452: 1442: 1438: 1437: 1429: 1424: 1416: 1411: 1403: 1393: 1389: 1388: 1380: 1375: 1367: 1362: 1354: 1339: 1338: 1317: 1315: 1314: 1309: 1307: 1303: 1299: 1298: 1290: 1285: 1277: 1272: 1264: 1250: 1249: 1234: 1232: 1231: 1226: 1223: 1222: 1200: 1198: 1197: 1192: 1189: 1188: 1180: 1178: 1177: 1167: 1166: 1158: 1156: 1155: 1145: 1144: 1136: 1134: 1133: 1101: 1099: 1098: 1093: 1091: 1087: 1086: 1082: 1081: 1073: 1068: 1060: 1050: 1046: 1045: 1037: 1032: 1024: 1014: 1010: 1009: 1001: 996: 988: 978: 974: 973: 965: 960: 952: 942: 938: 937: 929: 924: 916: 901: 900: 885: 883: 882: 877: 875: 871: 870: 866: 865: 857: 852: 844: 834: 830: 829: 821: 816: 808: 798: 794: 793: 785: 780: 772: 757: 756: 738: 736: 735: 730: 728: 724: 723: 719: 718: 710: 705: 697: 687: 683: 682: 674: 669: 661: 651: 647: 646: 638: 633: 625: 610: 609: 594: 592: 591: 586: 584: 580: 576: 575: 567: 562: 554: 540: 539: 486: 484: 483: 478: 476: 475: 460:All of the sets 456: 454: 453: 448: 446: 445: 429: 427: 426: 421: 416: 415: 400: 399: 381: 380: 371: 370: 361: 360: 344: 342: 341: 336: 334: 333: 309: 307: 306: 301: 299: 298: 282: 280: 279: 274: 257: 255: 254: 249: 237: 235: 234: 229: 224: 223: 208: 207: 192: 191: 168: 166: 165: 160: 158: 157: 148: 147: 138: 137: 111: 109: 108: 103: 92: 91: 73: 72: 26:complex dynamics 4178: 4177: 4173: 4172: 4171: 4169: 4168: 4167: 4153: 4152: 4151: 4150: 4112: 4111: 4107: 4100: 4096: 4089: 4085: 4057: 4056: 4052: 4020: 4015: 4014: 4010: 4005: 3993: 3984: 3982:Generalizations 3955: 3950: 3949: 3918: 3917: 3891: 3886: 3885: 3864: 3859: 3858: 3837: 3832: 3831: 3806: 3805: 3780: 3779: 3756: 3755: 3732: 3731: 3712: 3711: 3708: 3680: 3669: 3668: 3645: 3644: 3617: 3606: 3605: 3582: 3581: 3554: 3532: 3527: 3526: 3496: 3491: 3490: 3467: 3466: 3447: 3446: 3423: 3422: 3399: 3394: 3393: 3370: 3369: 3345: 3332: 3324: 3323: 3300: 3299: 3274: 3269: 3268: 3247: 3242: 3241: 3234: 3232:Parameter wakes 3208: 3203: 3202: 3179: 3178: 3159: 3158: 3126: 3121: 3120: 3101: 3100: 3079: 3074: 3073: 3048: 3043: 3042: 3039: 3002: 2997: 2996: 2975: 2970: 2969: 2933: 2932: 2925: 2924: 2898: 2891: 2890: 2871: 2870: 2849: 2844: 2843: 2822: 2817: 2816: 2797: 2796: 2777: 2776: 2755: 2750: 2749: 2730: 2729: 2699: 2694: 2693: 2666: 2661: 2660: 2633: 2628: 2627: 2606: 2601: 2600: 2572: 2571: 2550: 2545: 2544: 2523: 2518: 2517: 2496: 2491: 2490: 2459: 2458: 2437: 2432: 2431: 2407: 2388: 2380: 2379: 2376: 2346: 2324: 2319: 2318: 2279: 2274: 2273: 2212: 2211: 2190: 2189: 2168: 2163: 2162: 2159: 2121: 2102: 2094: 2093: 2092:Any collection 2054: 2053: 2032: 2027: 2026: 2004: 2003: 1981: 1980: 1961: 1960: 1939: 1920: 1915: 1914: 1884: 1879: 1878: 1857: 1852: 1851: 1810: 1809: 1788: 1783: 1782: 1755: 1754: 1751: 1677: 1673: 1669: 1654: 1653: 1651: 1589: 1585: 1540: 1536: 1535: 1531: 1516: 1515: 1450: 1446: 1401: 1397: 1352: 1348: 1347: 1343: 1328: 1327: 1262: 1258: 1254: 1239: 1238: 1214: 1203: 1202: 1171: 1149: 1127: 1122: 1121: 1107: 1058: 1054: 1022: 1018: 986: 982: 950: 946: 914: 910: 909: 905: 890: 889: 888: 842: 838: 806: 802: 770: 766: 765: 761: 746: 745: 744: 741: 695: 691: 659: 655: 623: 619: 618: 614: 599: 598: 597: 552: 548: 544: 529: 528: 526: 521: 497: 467: 462: 461: 435: 434: 407: 391: 350: 349: 325: 320: 319: 290: 285: 284: 265: 264: 240: 239: 215: 199: 181: 180: 129: 124: 123: 83: 64: 59: 58: 49: 12: 11: 5: 4176: 4174: 4166: 4165: 4155: 4154: 4149: 4148: 4105: 4094: 4083: 4050: 4007: 4006: 4004: 4001: 4000: 3999: 3992: 3989: 3983: 3980: 3979: 3978: 3963: 3958: 3937: 3934: 3931: 3928: 3925: 3914: 3899: 3894: 3871: 3867: 3844: 3840: 3819: 3816: 3813: 3793: 3790: 3787: 3763: 3741: 3719: 3707: 3704: 3688: 3683: 3679: 3676: 3654: 3629: 3622: 3616: 3613: 3591: 3569: 3566: 3561: 3557: 3553: 3550: 3547: 3544: 3539: 3535: 3508: 3501: 3476: 3465:be called the 3454: 3432: 3407: 3402: 3379: 3357: 3352: 3348: 3344: 3339: 3335: 3331: 3309: 3296:Mandelbrot set 3281: 3277: 3254: 3250: 3238:parameter rays 3233: 3230: 3215: 3211: 3199:critical value 3186: 3166: 3133: 3129: 3108: 3086: 3082: 3055: 3051: 3038: 3035: 3014: 3007: 2982: 2978: 2952: 2948: 2945: 2940: 2936: 2910: 2905: 2901: 2878: 2856: 2852: 2829: 2825: 2804: 2784: 2762: 2758: 2737: 2712: 2709: 2706: 2702: 2679: 2676: 2673: 2669: 2646: 2643: 2640: 2636: 2613: 2609: 2584: 2581: 2557: 2553: 2530: 2526: 2503: 2499: 2477: 2472: 2467: 2444: 2440: 2419: 2414: 2410: 2406: 2403: 2400: 2395: 2391: 2387: 2375: 2372: 2353: 2349: 2345: 2342: 2339: 2336: 2331: 2327: 2304: 2299: 2295: 2291: 2286: 2282: 2261: 2256: 2251: 2247: 2243: 2240: 2237: 2232: 2227: 2223: 2219: 2198: 2175: 2171: 2158: 2155: 2133: 2128: 2124: 2120: 2117: 2114: 2109: 2105: 2101: 2090: 2089: 2075: 2069: 2063: 2039: 2035: 2023: 2011: 1991: 1988: 1968: 1946: 1942: 1938: 1935: 1932: 1927: 1923: 1911: 1897: 1894: 1891: 1887: 1864: 1860: 1844: 1831: 1825: 1819: 1795: 1791: 1764: 1750: 1747: 1734: 1730: 1724: 1721: 1716: 1711: 1708: 1703: 1698: 1695: 1690: 1685: 1682: 1676: 1672: 1668: 1663: 1650: 1647: 1634: 1629: 1623: 1620: 1615: 1610: 1607: 1602: 1597: 1594: 1588: 1584: 1580: 1574: 1571: 1566: 1561: 1558: 1553: 1548: 1545: 1539: 1534: 1530: 1525: 1495: 1490: 1484: 1481: 1476: 1471: 1468: 1463: 1458: 1455: 1449: 1445: 1441: 1435: 1432: 1427: 1422: 1419: 1414: 1409: 1406: 1400: 1396: 1392: 1386: 1383: 1378: 1373: 1370: 1365: 1360: 1357: 1351: 1346: 1342: 1337: 1306: 1302: 1296: 1293: 1288: 1283: 1280: 1275: 1270: 1267: 1261: 1257: 1253: 1248: 1221: 1217: 1213: 1210: 1186: 1183: 1176: 1170: 1164: 1161: 1154: 1148: 1142: 1139: 1132: 1106: 1103: 1090: 1085: 1079: 1076: 1071: 1066: 1063: 1057: 1053: 1049: 1043: 1040: 1035: 1030: 1027: 1021: 1017: 1013: 1007: 1004: 999: 994: 991: 985: 981: 977: 971: 968: 963: 958: 955: 949: 945: 941: 935: 932: 927: 922: 919: 913: 908: 904: 899: 874: 869: 863: 860: 855: 850: 847: 841: 837: 833: 827: 824: 819: 814: 811: 805: 801: 797: 791: 788: 783: 778: 775: 769: 764: 760: 755: 727: 722: 716: 713: 708: 703: 700: 694: 690: 686: 680: 677: 672: 667: 664: 658: 654: 650: 644: 641: 636: 631: 628: 622: 617: 613: 608: 583: 579: 573: 570: 565: 560: 557: 551: 547: 543: 538: 525: 522: 520: 517: 496: 493: 474: 470: 444: 419: 414: 410: 406: 403: 398: 394: 390: 387: 384: 379: 374: 369: 364: 359: 332: 328: 310:be the set of 297: 293: 272: 247: 227: 222: 218: 214: 211: 206: 202: 198: 195: 190: 170: 169: 156: 151: 146: 141: 136: 132: 113: 112: 101: 98: 95: 90: 86: 82: 79: 76: 71: 67: 48: 45: 44: 43: 40: 22:orbit portrait 13: 10: 9: 6: 4: 3: 2: 4175: 4164: 4161: 4160: 4158: 4143: 4138: 4133: 4128: 4124: 4120: 4116: 4109: 4106: 4103: 4098: 4095: 4092: 4087: 4084: 4079: 4075: 4070: 4065: 4061: 4054: 4051: 4046: 4042: 4038: 4034: 4030: 4026: 4019: 4012: 4009: 4002: 3998: 3995: 3994: 3990: 3988: 3981: 3956: 3935: 3932: 3929: 3926: 3923: 3915: 3892: 3869: 3865: 3842: 3838: 3817: 3814: 3811: 3791: 3788: 3785: 3777: 3776: 3775: 3761: 3717: 3705: 3703: 3681: 3677: 3674: 3614: 3611: 3567: 3564: 3559: 3555: 3551: 3545: 3537: 3533: 3525: 3452: 3400: 3350: 3346: 3342: 3337: 3333: 3297: 3279: 3275: 3252: 3248: 3239: 3231: 3229: 3213: 3209: 3200: 3184: 3164: 3155: 3153: 3149: 3131: 3127: 3106: 3084: 3080: 3071: 3070:external rays 3053: 3049: 3036: 3034: 3031: 3028:, called the 2980: 2976: 2966: 2950: 2946: 2943: 2938: 2934: 2908: 2903: 2899: 2876: 2854: 2850: 2827: 2823: 2802: 2782: 2760: 2756: 2735: 2726: 2710: 2707: 2704: 2700: 2677: 2674: 2671: 2667: 2644: 2641: 2638: 2634: 2611: 2607: 2597: 2582: 2579: 2555: 2551: 2528: 2524: 2501: 2497: 2470: 2442: 2438: 2412: 2408: 2404: 2401: 2398: 2393: 2389: 2373: 2371: 2369: 2351: 2347: 2343: 2337: 2329: 2325: 2297: 2293: 2289: 2284: 2280: 2249: 2245: 2241: 2238: 2235: 2225: 2221: 2196: 2173: 2169: 2156: 2154: 2151: 2147: 2126: 2122: 2118: 2115: 2112: 2107: 2103: 2067: 2037: 2033: 2024: 2009: 1989: 1986: 1966: 1944: 1940: 1936: 1933: 1930: 1925: 1921: 1912: 1895: 1892: 1889: 1885: 1862: 1858: 1849: 1845: 1823: 1793: 1789: 1780: 1779: 1778: 1748: 1746: 1732: 1728: 1722: 1719: 1714: 1709: 1706: 1701: 1696: 1693: 1688: 1683: 1680: 1674: 1670: 1666: 1648: 1646: 1632: 1627: 1621: 1618: 1613: 1608: 1605: 1600: 1595: 1592: 1586: 1582: 1578: 1572: 1569: 1564: 1559: 1556: 1551: 1546: 1543: 1537: 1532: 1528: 1513: 1510: 1507: 1493: 1488: 1482: 1479: 1474: 1469: 1466: 1461: 1456: 1453: 1447: 1443: 1439: 1433: 1430: 1425: 1420: 1417: 1412: 1407: 1404: 1398: 1394: 1390: 1384: 1381: 1376: 1371: 1368: 1363: 1358: 1355: 1349: 1344: 1340: 1325: 1323: 1318: 1304: 1300: 1294: 1291: 1286: 1281: 1278: 1273: 1268: 1265: 1259: 1255: 1251: 1219: 1215: 1211: 1208: 1184: 1181: 1168: 1162: 1159: 1146: 1140: 1137: 1119: 1118:external rays 1114: 1110: 1104: 1102: 1088: 1083: 1077: 1074: 1069: 1064: 1061: 1055: 1051: 1047: 1041: 1038: 1033: 1028: 1025: 1019: 1015: 1011: 1005: 1002: 997: 992: 989: 983: 979: 975: 969: 966: 961: 956: 953: 947: 943: 939: 933: 930: 925: 920: 917: 911: 906: 902: 886: 872: 867: 861: 858: 853: 848: 845: 839: 835: 831: 825: 822: 817: 812: 809: 803: 799: 795: 789: 786: 781: 776: 773: 767: 762: 758: 742: 739: 725: 720: 714: 711: 706: 701: 698: 692: 688: 684: 678: 675: 670: 665: 662: 656: 652: 648: 642: 639: 634: 629: 626: 620: 615: 611: 595: 581: 577: 571: 568: 563: 558: 555: 549: 545: 541: 523: 518: 512: 505: 501: 494: 492: 490: 472: 468: 458: 433: 412: 408: 404: 401: 396: 392: 385: 362: 348:Then the set 346: 330: 326: 317: 316:external rays 313: 295: 291: 270: 245: 220: 216: 212: 209: 204: 200: 193: 179: 175: 139: 134: 130: 122: 121: 120: 118: 117:complex plane 99: 96: 93: 88: 84: 77: 74: 69: 65: 57: 56: 55: 54: 53:quadratic map 46: 41: 38: 37: 36: 33: 31: 27: 23: 19: 4125:(3): 35–50. 4122: 4118: 4108: 4097: 4086: 4069:math/9905169 4059: 4053: 4028: 4024: 4011: 3985: 3709: 3240:with angles 3235: 3156: 3151: 3147: 3040: 3029: 2967: 2727: 2598: 2377: 2160: 2145: 2091: 1848:doubling map 1752: 1652: 1514: 1511: 1508: 1326: 1319: 1237: 1108: 887: 743: 740: 596: 527: 488: 459: 431: 347: 171: 114: 50: 34: 21: 15: 3072:landing at 2150:John Milnor 119:to itself 18:mathematics 4003:References 3997:Lamination 3702:for about 2775:, or when 2489:, so each 2272:such that 430:is called 258:, so that 47:Definition 4132:1404.7193 3933:≥ 3615:∈ 3338:− 3253:− 2935:θ 2900:θ 2851:θ 2824:θ 2402:… 2368:Julia set 2303:′ 2290:⊊ 2255:′ 2239:… 2231:′ 2116:… 2025:The sets 1934:… 1649:valence 4 1216:α 1105:valence 3 524:valence 2 504:Julia set 405:… 213:… 176:periodic 150:→ 115:from the 81:↦ 4157:Category 4060:Preprint 4045:54997658 3991:See also 3857:. Each 2002:, where 495:Examples 318:land at 261:z_{j+1}} 51:Given a 4074:Bibcode 3037:Sectors 2430:, each 489:valence 283:), let 4043:  3197:, the 312:angles 172:and a 4127:arXiv 4064:arXiv 4041:S2CID 4021:(PDF) 3522:. A 2728:When 1781:Each 178:orbit 20:, an 3804:and 3754:and 3392:let 3267:and 3236:Two 3150:or 2923:and 2374:Arcs 1846:The 1320:For 4137:doi 4033:doi 3643:. 3201:of 2842:. 1877:to 1483:511 1470:511 1467:324 1457:511 1454:296 1434:511 1431:274 1421:511 1418:162 1408:511 1405:148 1385:511 1382:137 1372:511 1359:511 238:of 16:In 4159:: 4135:. 4123:19 4121:. 4117:. 4072:. 4062:. 4039:. 4029:16 4027:. 4023:. 1723:15 1710:15 1697:15 1684:15 1622:63 1619:50 1609:63 1606:44 1596:63 1593:11 1573:63 1570:37 1560:63 1557:25 1547:63 1544:22 1480:37 1369:81 1356:74 1116:3 1078:31 1065:31 1062:21 1042:31 1029:31 1026:26 1006:31 1003:17 993:31 990:13 970:31 967:24 957:31 954:22 934:31 931:12 921:31 918:11 457:. 345:. 32:. 4145:. 4139:: 4129:: 4080:. 4076:: 4066:: 4047:. 4035:: 3962:P 3957:r 3936:2 3930:v 3927:= 3924:r 3898:P 3893:r 3870:j 3866:A 3843:n 3839:f 3818:2 3815:= 3812:v 3792:1 3789:= 3786:r 3762:r 3740:P 3718:v 3687:P 3682:r 3678:= 3675:c 3653:P 3628:P 3621:W 3612:c 3590:P 3568:c 3565:+ 3560:2 3556:z 3552:= 3549:) 3546:z 3543:( 3538:c 3534:f 3507:P 3500:W 3475:P 3453:0 3431:P 3406:P 3401:r 3378:P 3356:] 3351:+ 3347:t 3343:, 3334:t 3330:[ 3308:P 3280:+ 3276:t 3249:t 3214:c 3210:f 3185:c 3165:0 3132:j 3128:z 3107:v 3085:j 3081:z 3054:j 3050:z 3013:P 3006:I 2981:j 2977:A 2951:2 2947:1 2944:+ 2939:c 2909:2 2904:c 2877:c 2855:c 2828:c 2803:c 2783:c 2761:c 2757:f 2736:c 2711:1 2708:+ 2705:j 2701:z 2678:1 2675:+ 2672:j 2668:z 2645:1 2642:+ 2639:j 2635:z 2612:j 2608:z 2583:2 2580:1 2556:j 2552:z 2529:j 2525:z 2502:j 2498:A 2476:Z 2471:/ 2466:R 2443:j 2439:A 2418:} 2413:n 2409:A 2405:, 2399:, 2394:1 2390:A 2386:{ 2352:2 2348:z 2344:= 2341:) 2338:z 2335:( 2330:0 2326:f 2298:j 2294:A 2285:j 2281:A 2260:} 2250:n 2246:A 2242:, 2236:, 2226:1 2222:A 2218:{ 2197:0 2174:j 2170:A 2132:} 2127:n 2123:A 2119:, 2113:, 2108:1 2104:A 2100:{ 2074:Z 2068:/ 2062:R 2038:j 2034:A 2010:r 1990:n 1987:r 1967:n 1945:n 1941:A 1937:, 1931:, 1926:1 1922:A 1896:1 1893:+ 1890:j 1886:A 1863:j 1859:A 1830:Z 1824:/ 1818:R 1794:j 1790:A 1763:P 1733:} 1729:) 1720:8 1715:, 1707:4 1702:, 1694:2 1689:, 1681:1 1675:( 1671:{ 1667:= 1662:P 1633:} 1628:) 1614:, 1601:, 1587:( 1583:, 1579:) 1565:, 1552:, 1538:( 1533:{ 1529:= 1524:P 1494:} 1489:) 1475:, 1462:, 1448:( 1444:, 1440:) 1426:, 1413:, 1399:( 1395:, 1391:) 1377:, 1364:, 1350:( 1345:{ 1341:= 1336:P 1305:} 1301:) 1295:7 1292:4 1287:, 1282:7 1279:2 1274:, 1269:7 1266:1 1260:( 1256:{ 1252:= 1247:P 1220:c 1212:= 1209:z 1185:7 1182:4 1175:R 1169:, 1163:7 1160:2 1153:R 1147:, 1141:7 1138:1 1131:R 1089:} 1084:) 1075:6 1070:, 1056:( 1052:, 1048:) 1039:3 1034:, 1020:( 1016:, 1012:) 998:, 984:( 980:, 976:) 962:, 948:( 944:, 940:) 926:, 912:( 907:{ 903:= 898:P 873:} 868:) 862:9 859:2 854:, 849:9 846:7 840:( 836:, 832:) 826:9 823:1 818:, 813:9 810:8 804:( 800:, 796:) 790:9 787:5 782:, 777:9 774:4 768:( 763:{ 759:= 754:P 726:} 721:) 715:7 712:2 707:, 702:7 699:5 693:( 689:, 685:) 679:7 676:1 671:, 666:7 663:6 657:( 653:, 649:) 643:7 640:4 635:, 630:7 627:3 621:( 616:{ 612:= 607:P 582:} 578:) 572:3 569:2 564:, 559:3 556:1 550:( 546:{ 542:= 537:P 473:j 469:A 443:O 418:} 413:n 409:A 402:, 397:1 393:A 389:{ 386:= 383:) 378:O 373:( 368:P 363:= 358:P 331:j 327:z 296:j 292:A 271:n 246:f 226:} 221:n 217:z 210:, 205:1 201:z 197:{ 194:= 189:O 155:C 145:C 140:: 135:c 131:f 100:. 97:c 94:+ 89:2 85:z 78:z 75:: 70:c 66:f

Index

mathematics
complex dynamics
one-complex dimensional quadratic maps
quadratic map
complex plane
repelling or parabolic
orbit
angles
external rays

Julia set


external rays
complex quadratic polynomial
doubling map
John Milnor
Julia set
external rays
critical value
parameter rays
Mandelbrot set
quadratic polynomial
Lamination
"Boundaries of Bounded Fatou Components of Quadratic Maps"
doi
10.1080/10236190903205080
S2CID
54997658
arXiv

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