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Complete manifold

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662: 861:(with its induced metric). Geodesics going to the origin cannot be defined on the entire real line. By the Hopf–Rinow theorem, we can alternatively observe that it is not a complete metric space: any sequence in the plane converging to the origin is a non-converging Cauchy sequence in the punctured plane. 859: 716: 388: 146: 632: 600: 568: 814: 105: 470: 792: 754: 253: 199: 1880: 501: 427: 327: 1071: 1935: 913: 528: 277: 223: 173: 70: 1875: 2098: 1948: 1162: 1186: 1381: 884: 2128: 2103: 915:
is geodesically complete, then it is not isometric to an open proper submanifold of any other Riemannian manifold. The converse does not hold.
1990: 1251: 202: 1477: 875:, which describes gravity in terms of a pseudo-Riemannian geometry, many important examples of geodesically incomplete spaces arise, e.g. 1530: 1058: 1814: 823: 1963: 1928: 1027: 992: 1579: 1171: 2211: 1562: 2206: 1774: 864:
There exist non-geodesically complete compact pseudo-Riemannian (but not Riemannian) manifolds. An example of this is the
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is (geodesically) complete if and only if it satisfies one of the following equivalent conditions:
391: 40: 797: 78: 2216: 2170: 2067: 2036: 1829: 1784: 1681: 1552: 1356: 1181: 1044: 872: 288: 2077: 1366: 436: 2082: 1764: 1744: 1739: 1646: 1557: 1371: 1351: 1206: 1145: 1023: 988: 980: 646: 635: 759: 721: 2149: 2144: 2020: 1973: 1902: 1696: 1651: 1574: 1545: 1403: 1336: 1331: 1326: 1316: 1108: 1091: 883:. The fact that such incompleteness is fairly generic in general relativity is shown in the 228: 178: 479: 400: 300: 1978: 1845: 1754: 1584: 1540: 1306: 650: 539: 504: 1711: 1636: 1606: 1504: 1497: 1437: 1408: 1278: 1273: 1234: 1019: 898: 513: 262: 208: 158: 55: 2200: 2005: 1897: 1721: 1716: 1701: 1691: 1641: 1618: 1492: 1452: 1393: 1341: 1140: 642: 256: 1824: 1819: 1661: 1628: 1601: 1509: 1150: 718:
is not geodesically complete because the maximal geodesic with initial conditions
1913: 1667: 1656: 1613: 1514: 1115: 20: 2123: 1892: 1850: 1676: 1589: 1221: 1125: 987:, Mathematics: theory and applications, Boston: BirkhĂ€user, pp. xvi+300, 1706: 1671: 1376: 1263: 820:
A simple example of a non-complete manifold is given by the punctured plane
16:
Riemannian manifold in which geodesics extend infinitely in all directions
1995: 1870: 1865: 1855: 1246: 1067: 880: 571: 73: 1036: 1007:. Graduate Texts in Mathematics. Springer International Publishing AG. 1462: 49:, there are straight paths extending infinitely in all directions. 660: 603: 854:{\displaystyle \mathbb {R} ^{2}\smallsetminus \lbrace 0\rbrace } 1917: 1040: 684: 297:
gives alternative characterizations of completeness. Let
901: 826: 800: 762: 724: 671: 611: 579: 547: 516: 482: 439: 403: 339: 303: 265: 231: 211: 181: 161: 113: 81: 58: 935: 933: 711:{\displaystyle \mathbb {R} ^{2}\backslash \{(0,0)\}} 2163: 2137: 2091: 2060: 1956: 1838: 1797: 1730: 1627: 1523: 1470: 1461: 1297: 1220: 1159: 1079: 907: 853: 808: 786: 748: 710: 626: 594: 562: 522: 495: 464: 421: 382: 321: 271: 247: 217: 193: 167: 140: 99: 64: 383:{\displaystyle d_{g}:M\times M\to [0,\infty )} 72:is (geodesically) complete if for any maximal 1929: 1052: 175:is (geodesically) complete if for all points 8: 848: 842: 705: 687: 2099:Fundamental theorem of Riemannian geometry 1936: 1922: 1914: 1467: 1059: 1045: 1037: 649:manifolds are geodesically complete. All 900: 833: 829: 828: 825: 802: 801: 799: 761: 723: 678: 674: 673: 670: 618: 614: 613: 610: 586: 582: 581: 578: 554: 550: 549: 546: 515: 487: 481: 453: 438: 402: 344: 338: 302: 264: 236: 230: 210: 180: 160: 112: 80: 57: 963: 951: 929: 7: 1005:Introduction to Riemannian Manifolds 885:Penrose–Hawking singularity theorems 141:{\displaystyle I=(-\infty ,\infty )} 939: 397:The Hopf–Rinow theorem states that 877:non-rotating uncharged black-holes 510:All closed and bounded subsets of 374: 152:if its domain cannot be extended. 132: 126: 14: 43:for which, starting at any point 627:{\displaystyle \mathbb {T} ^{n}} 595:{\displaystyle \mathbb {S} ^{n}} 563:{\displaystyle \mathbb {R} ^{n}} 1099:Differentiable/Smooth manifold 781: 769: 743: 731: 702: 690: 638:) are all complete manifolds. 459: 440: 416: 404: 377: 365: 362: 316: 304: 135: 120: 91: 29:geodesically complete manifold 1: 645:Riemannian manifolds and all 2026:Raising and lowering indices 809:{\displaystyle \mathbb {R} } 392:Riemannian distance function 333:Riemannian manifold and let 100:{\displaystyle \ell :I\to M} 1805:Classification of manifolds 981:do Carmo, Manfredo PerdigĂŁo 653:are geodesically complete. 2238: 2047:Pseudo-Riemannian manifold 286: 2176:Geometrization conjecture 1881:over commutative algebras 1014:O'Neill, Barrett (1983). 535:Examples and non-examples 465:{\displaystyle (M,d_{g})} 1597:Riemann curvature tensor 1016:Semi-Riemannian Geometry 787:{\displaystyle v=(1,1)} 749:{\displaystyle p=(1,1)} 2212:Geodesic (mathematics) 2186:Uniformization theorem 2119:Nash embedding theorem 2052:Riemannian volume form 2011:Levi-Civita connection 1389:Manifold with boundary 1104:Differential structure 909: 879:or cosmologies with a 855: 817: 810: 788: 750: 712: 628: 596: 564: 524: 497: 466: 423: 384: 323: 273: 249: 248:{\displaystyle T_{p}M} 219: 195: 194:{\displaystyle p\in M} 169: 142: 101: 66: 2207:Differential geometry 910: 856: 811: 794:does not have domain 789: 751: 713: 664: 629: 597: 565: 525: 498: 496:{\displaystyle d_{g}} 467: 424: 422:{\displaystyle (M,g)} 385: 324: 322:{\displaystyle (M,g)} 274: 250: 220: 196: 170: 143: 102: 67: 52:Formally, a manifold 2109:Gauss–Bonnet theorem 2016:Covariant derivative 1536:Covariant derivative 1087:Topological manifold 899: 824: 798: 760: 722: 669: 665:The punctured plane 634:(with their natural 609: 577: 545: 514: 480: 437: 401: 337: 301: 263: 229: 209: 179: 159: 111: 79: 56: 2222:Riemannian geometry 2181:PoincarĂ© conjecture 2042:Riemannian manifold 2030:Musical isomorphism 1945:Riemannian geometry 1570:Exterior derivative 1172:Atiyah–Singer index 1121:Riemannian manifold 985:Riemannian geometry 41:Riemannian manifold 2171:General relativity 2114:Hopf–Rinow theorem 2061:Types of manifolds 2037:Parallel transport 1876:Secondary calculus 1830:Singularity theory 1785:Parallel transport 1553:De Rham cohomology 1192:Generalized Stokes 1003:Lee, John (2018). 954:, p. 146-147. 905: 873:general relativity 866:Clifton–Pohl torus 851: 818: 806: 784: 746: 708: 636:Riemannian metrics 624: 592: 560: 520: 493: 462: 419: 380: 319: 295:Hopf–Rinow theorem 289:Hopf-Rinow theorem 283:Hopf-Rinow theorem 269: 245: 215: 191: 165: 138: 97: 62: 2194: 2193: 1911: 1910: 1793: 1792: 1558:Differential form 1212:Whitney embedding 1146:Differential form 908:{\displaystyle M} 871:In the theory of 523:{\displaystyle M} 433:The metric space 272:{\displaystyle p} 218:{\displaystyle p} 168:{\displaystyle M} 65:{\displaystyle M} 25:complete manifold 2229: 1938: 1931: 1924: 1915: 1903:Stratified space 1861:FrĂ©chet manifold 1575:Interior product 1468: 1165: 1061: 1054: 1047: 1038: 1033: 1008: 997: 967: 961: 955: 949: 943: 937: 914: 912: 911: 906: 860: 858: 857: 852: 838: 837: 832: 815: 813: 812: 807: 805: 793: 791: 790: 785: 755: 753: 752: 747: 717: 715: 714: 709: 683: 682: 677: 651:symmetric spaces 633: 631: 630: 625: 623: 622: 617: 601: 599: 598: 593: 591: 590: 585: 569: 567: 566: 561: 559: 558: 553: 529: 527: 526: 521: 502: 500: 499: 494: 492: 491: 471: 469: 468: 463: 458: 457: 428: 426: 425: 420: 389: 387: 386: 381: 349: 348: 328: 326: 325: 320: 278: 276: 275: 270: 254: 252: 251: 246: 241: 240: 224: 222: 221: 216: 200: 198: 197: 192: 174: 172: 171: 166: 148:. A geodesic is 147: 145: 144: 139: 107:, it holds that 106: 104: 103: 98: 71: 69: 68: 63: 48: 34: 2237: 2236: 2232: 2231: 2230: 2228: 2227: 2226: 2197: 2196: 2195: 2190: 2159: 2138:Generalizations 2133: 2087: 2056: 1991:Exponential map 1952: 1942: 1912: 1907: 1846:Banach manifold 1839:Generalizations 1834: 1789: 1726: 1623: 1585:Ricci curvature 1541:Cotangent space 1519: 1457: 1299: 1293: 1252:Exponential map 1216: 1161: 1155: 1075: 1065: 1030: 1013: 1002: 995: 979: 976: 971: 970: 962: 958: 950: 946: 938: 931: 926: 921: 897: 896: 893: 827: 822: 821: 796: 795: 758: 757: 720: 719: 672: 667: 666: 659: 612: 607: 606: 580: 575: 574: 548: 543: 542: 540:Euclidean space 537: 512: 511: 505:Cauchy sequence 483: 478: 477: 449: 435: 434: 399: 398: 340: 335: 334: 299: 298: 291: 285: 261: 260: 232: 227: 226: 207: 206: 203:exponential map 177: 176: 157: 156: 109: 108: 77: 76: 54: 53: 44: 32: 17: 12: 11: 5: 2235: 2233: 2225: 2224: 2219: 2214: 2209: 2199: 2198: 2192: 2191: 2189: 2188: 2183: 2178: 2173: 2167: 2165: 2161: 2160: 2158: 2157: 2155:Sub-Riemannian 2152: 2147: 2141: 2139: 2135: 2134: 2132: 2131: 2126: 2121: 2116: 2111: 2106: 2101: 2095: 2093: 2089: 2088: 2086: 2085: 2080: 2075: 2070: 2064: 2062: 2058: 2057: 2055: 2054: 2049: 2044: 2039: 2034: 2033: 2032: 2023: 2018: 2013: 2003: 1998: 1993: 1988: 1987: 1986: 1981: 1976: 1971: 1960: 1958: 1957:Basic concepts 1954: 1953: 1943: 1941: 1940: 1933: 1926: 1918: 1909: 1908: 1906: 1905: 1900: 1895: 1890: 1885: 1884: 1883: 1873: 1868: 1863: 1858: 1853: 1848: 1842: 1840: 1836: 1835: 1833: 1832: 1827: 1822: 1817: 1812: 1807: 1801: 1799: 1795: 1794: 1791: 1790: 1788: 1787: 1782: 1777: 1772: 1767: 1762: 1757: 1752: 1747: 1742: 1736: 1734: 1728: 1727: 1725: 1724: 1719: 1714: 1709: 1704: 1699: 1694: 1684: 1679: 1674: 1664: 1659: 1654: 1649: 1644: 1639: 1633: 1631: 1625: 1624: 1622: 1621: 1616: 1611: 1610: 1609: 1599: 1594: 1593: 1592: 1582: 1577: 1572: 1567: 1566: 1565: 1555: 1550: 1549: 1548: 1538: 1533: 1527: 1525: 1521: 1520: 1518: 1517: 1512: 1507: 1502: 1501: 1500: 1490: 1485: 1480: 1474: 1472: 1465: 1459: 1458: 1456: 1455: 1450: 1440: 1435: 1421: 1416: 1411: 1406: 1401: 1399:Parallelizable 1396: 1391: 1386: 1385: 1384: 1374: 1369: 1364: 1359: 1354: 1349: 1344: 1339: 1334: 1329: 1319: 1309: 1303: 1301: 1295: 1294: 1292: 1291: 1286: 1281: 1279:Lie derivative 1276: 1274:Integral curve 1271: 1266: 1261: 1260: 1259: 1249: 1244: 1243: 1242: 1235:Diffeomorphism 1232: 1226: 1224: 1218: 1217: 1215: 1214: 1209: 1204: 1199: 1194: 1189: 1184: 1179: 1174: 1168: 1166: 1157: 1156: 1154: 1153: 1148: 1143: 1138: 1133: 1128: 1123: 1118: 1113: 1112: 1111: 1106: 1096: 1095: 1094: 1083: 1081: 1080:Basic concepts 1077: 1076: 1066: 1064: 1063: 1056: 1049: 1041: 1035: 1034: 1028: 1020:Academic Press 1010: 1009: 999: 998: 993: 975: 972: 969: 968: 966:, p. 145. 956: 944: 942:, p. 131. 928: 927: 925: 922: 920: 917: 904: 892: 889: 850: 847: 844: 841: 836: 831: 804: 783: 780: 777: 774: 771: 768: 765: 745: 742: 739: 736: 733: 730: 727: 707: 704: 701: 698: 695: 692: 689: 686: 681: 676: 658: 655: 621: 616: 589: 584: 557: 552: 536: 533: 532: 531: 519: 508: 490: 486: 461: 456: 452: 448: 445: 442: 418: 415: 412: 409: 406: 379: 376: 373: 370: 367: 364: 361: 358: 355: 352: 347: 343: 318: 315: 312: 309: 306: 287:Main article: 284: 281: 268: 244: 239: 235: 225:is defined on 214: 190: 187: 184: 164: 155:Equivalently, 137: 134: 131: 128: 125: 122: 119: 116: 96: 93: 90: 87: 84: 61: 15: 13: 10: 9: 6: 4: 3: 2: 2234: 2223: 2220: 2218: 2215: 2213: 2210: 2208: 2205: 2204: 2202: 2187: 2184: 2182: 2179: 2177: 2174: 2172: 2169: 2168: 2166: 2162: 2156: 2153: 2151: 2148: 2146: 2143: 2142: 2140: 2136: 2130: 2129:Schur's lemma 2127: 2125: 2122: 2120: 2117: 2115: 2112: 2110: 2107: 2105: 2104:Gauss's lemma 2102: 2100: 2097: 2096: 2094: 2090: 2084: 2081: 2079: 2076: 2074: 2071: 2069: 2066: 2065: 2063: 2059: 2053: 2050: 2048: 2045: 2043: 2040: 2038: 2035: 2031: 2027: 2024: 2022: 2019: 2017: 2014: 2012: 2009: 2008: 2007: 2006:Metric tensor 2004: 2002: 2001:Inner product 1999: 1997: 1994: 1992: 1989: 1985: 1982: 1980: 1977: 1975: 1972: 1970: 1967: 1966: 1965: 1962: 1961: 1959: 1955: 1950: 1946: 1939: 1934: 1932: 1927: 1925: 1920: 1919: 1916: 1904: 1901: 1899: 1898:Supermanifold 1896: 1894: 1891: 1889: 1886: 1882: 1879: 1878: 1877: 1874: 1872: 1869: 1867: 1864: 1862: 1859: 1857: 1854: 1852: 1849: 1847: 1844: 1843: 1841: 1837: 1831: 1828: 1826: 1823: 1821: 1818: 1816: 1813: 1811: 1808: 1806: 1803: 1802: 1800: 1796: 1786: 1783: 1781: 1778: 1776: 1773: 1771: 1768: 1766: 1763: 1761: 1758: 1756: 1753: 1751: 1748: 1746: 1743: 1741: 1738: 1737: 1735: 1733: 1729: 1723: 1720: 1718: 1715: 1713: 1710: 1708: 1705: 1703: 1700: 1698: 1695: 1693: 1689: 1685: 1683: 1680: 1678: 1675: 1673: 1669: 1665: 1663: 1660: 1658: 1655: 1653: 1650: 1648: 1645: 1643: 1640: 1638: 1635: 1634: 1632: 1630: 1626: 1620: 1619:Wedge product 1617: 1615: 1612: 1608: 1605: 1604: 1603: 1600: 1598: 1595: 1591: 1588: 1587: 1586: 1583: 1581: 1578: 1576: 1573: 1571: 1568: 1564: 1563:Vector-valued 1561: 1560: 1559: 1556: 1554: 1551: 1547: 1544: 1543: 1542: 1539: 1537: 1534: 1532: 1529: 1528: 1526: 1522: 1516: 1513: 1511: 1508: 1506: 1503: 1499: 1496: 1495: 1494: 1493:Tangent space 1491: 1489: 1486: 1484: 1481: 1479: 1476: 1475: 1473: 1469: 1466: 1464: 1460: 1454: 1451: 1449: 1445: 1441: 1439: 1436: 1434: 1430: 1426: 1422: 1420: 1417: 1415: 1412: 1410: 1407: 1405: 1402: 1400: 1397: 1395: 1392: 1390: 1387: 1383: 1380: 1379: 1378: 1375: 1373: 1370: 1368: 1365: 1363: 1360: 1358: 1355: 1353: 1350: 1348: 1345: 1343: 1340: 1338: 1335: 1333: 1330: 1328: 1324: 1320: 1318: 1314: 1310: 1308: 1305: 1304: 1302: 1296: 1290: 1287: 1285: 1282: 1280: 1277: 1275: 1272: 1270: 1267: 1265: 1262: 1258: 1257:in Lie theory 1255: 1254: 1253: 1250: 1248: 1245: 1241: 1238: 1237: 1236: 1233: 1231: 1228: 1227: 1225: 1223: 1219: 1213: 1210: 1208: 1205: 1203: 1200: 1198: 1195: 1193: 1190: 1188: 1185: 1183: 1180: 1178: 1175: 1173: 1170: 1169: 1167: 1164: 1160:Main results 1158: 1152: 1149: 1147: 1144: 1142: 1141:Tangent space 1139: 1137: 1134: 1132: 1129: 1127: 1124: 1122: 1119: 1117: 1114: 1110: 1107: 1105: 1102: 1101: 1100: 1097: 1093: 1090: 1089: 1088: 1085: 1084: 1082: 1078: 1073: 1069: 1062: 1057: 1055: 1050: 1048: 1043: 1042: 1039: 1031: 1029:0-12-526740-1 1025: 1022:. Chapter 3. 1021: 1017: 1012: 1011: 1006: 1001: 1000: 996: 994:0-8176-3490-8 990: 986: 982: 978: 977: 973: 965: 964:do Carmo 1992 960: 957: 953: 952:do Carmo 1992 948: 945: 941: 936: 934: 930: 923: 918: 916: 902: 891:Extendibility 890: 888: 886: 882: 878: 874: 869: 867: 862: 845: 839: 834: 778: 775: 772: 766: 763: 740: 737: 734: 728: 725: 699: 696: 693: 679: 663: 656: 654: 652: 648: 644: 639: 637: 619: 605: 587: 573: 555: 541: 534: 517: 509: 506: 488: 484: 475: 454: 450: 446: 443: 432: 431: 430: 413: 410: 407: 395: 393: 371: 368: 359: 356: 353: 350: 345: 341: 332: 313: 310: 307: 296: 290: 282: 280: 266: 258: 257:tangent space 255:, the entire 242: 237: 233: 212: 204: 188: 185: 182: 162: 153: 151: 129: 123: 117: 114: 94: 88: 85: 82: 75: 59: 50: 47: 42: 38: 30: 26: 22: 2164:Applications 2092:Main results 1825:Moving frame 1820:Morse theory 1810:Gauge theory 1602:Tensor field 1531:Closed/Exact 1510:Vector field 1478:Distribution 1419:Hypercomplex 1414:Quaternionic 1151:Vector field 1109:Smooth atlas 1015: 1004: 984: 959: 947: 894: 870: 863: 819: 657:Non-examples 640: 538: 530:are compact. 396: 330: 292: 154: 149: 51: 45: 28: 24: 18: 1770:Levi-Civita 1760:Generalized 1732:Connections 1682:Lie algebra 1614:Volume form 1515:Vector flow 1488:Pushforward 1483:Lie bracket 1382:Lie algebra 1347:G-structure 1136:Pushforward 1116:Submanifold 647:homogeneous 507:converges), 21:mathematics 2201:Categories 2124:Ricci flow 2073:Hyperbolic 1893:Stratifold 1851:Diffeology 1647:Associated 1448:Symplectic 1433:Riemannian 1362:Hyperbolic 1289:Submersion 1197:Hopf–Rinow 1131:Submersion 1126:Smooth map 919:References 602:, and the 2217:Manifolds 2068:Hermitian 2021:Signature 1984:Sectional 1964:Curvature 1775:Principal 1750:Ehresmann 1707:Subbundle 1697:Principal 1672:Fibration 1652:Cotangent 1524:Covectors 1377:Lie group 1357:Hermitian 1300:manifolds 1269:Immersion 1264:Foliation 1202:Noether's 1187:Frobenius 1182:De Rham's 1177:Darboux's 1068:Manifolds 840:∖ 685:∖ 375:∞ 363:→ 357:× 331:connected 186:∈ 133:∞ 127:∞ 124:− 92:→ 83:ℓ 2083:Kenmotsu 1996:Geodesic 1949:Glossary 1871:Orbifold 1866:K-theory 1856:Diffiety 1580:Pullback 1394:Oriented 1372:Kenmotsu 1352:Hadamard 1298:Types of 1247:Geodesic 1072:Glossary 983:(1992), 940:Lee 2018 881:Big Bang 474:complete 74:geodesic 2150:Hilbert 2145:Finsler 1815:History 1798:Related 1712:Tangent 1690:)  1670:)  1637:Adjoint 1629:Bundles 1607:density 1505:Torsion 1471:Vectors 1463:Tensors 1446:)  1431:)  1427:,  1425:Pseudo− 1404:Poisson 1337:Finsler 1332:Fibered 1327:Contact 1325:)  1317:Complex 1315:)  1284:Section 974:Sources 643:compact 476:(every 390:be its 150:maximal 2078:KĂ€hler 1974:Scalar 1969:tensor 1780:Vector 1765:Koszul 1745:Cartan 1740:Affine 1722:Vector 1717:Tensor 1702:Spinor 1692:Normal 1688:Stable 1642:Affine 1546:bundle 1498:bundle 1444:Almost 1367:KĂ€hler 1323:Almost 1313:Almost 1307:Closed 1207:Sard's 1163:(list) 1026:  991:  572:sphere 570:, the 201:, the 37:pseudo 35:is a ( 1979:Ricci 1888:Sheaf 1662:Fiber 1438:Rizza 1409:Prime 1240:Local 1230:Curve 1092:Atlas 924:Notes 329:be a 1755:Form 1657:Dual 1590:flow 1453:Tame 1429:Sub− 1342:Flat 1222:Maps 1024:ISBN 989:ISBN 641:All 604:tori 293:The 27:(or 23:, a 1677:Jet 895:If 472:is 259:at 205:at 39:-) 19:In 2203:: 1668:Co 1018:. 932:^ 887:. 868:. 756:, 394:. 279:. 31:) 2028:/ 1951:) 1947:( 1937:e 1930:t 1923:v 1686:( 1666:( 1442:( 1423:( 1321:( 1311:( 1074:) 1070:( 1060:e 1053:t 1046:v 1032:. 903:M 849:} 846:0 843:{ 835:2 830:R 816:. 803:R 782:) 779:1 776:, 773:1 770:( 767:= 764:v 744:) 741:1 738:, 735:1 732:( 729:= 726:p 706:} 703:) 700:0 697:, 694:0 691:( 688:{ 680:2 675:R 620:n 615:T 588:n 583:S 556:n 551:R 518:M 503:- 489:g 485:d 460:) 455:g 451:d 447:, 444:M 441:( 417:) 414:g 411:, 408:M 405:( 378:) 372:, 369:0 366:[ 360:M 354:M 351:: 346:g 342:d 317:) 314:g 311:, 308:M 305:( 267:p 243:M 238:p 234:T 213:p 189:M 183:p 163:M 136:) 130:, 121:( 118:= 115:I 95:M 89:I 86:: 60:M 46:p 33:M

Index

mathematics
pseudo
Riemannian manifold
geodesic
exponential map
tangent space
Hopf-Rinow theorem
Hopf–Rinow theorem
Riemannian distance function
complete
Cauchy sequence
Euclidean space
sphere
tori
Riemannian metrics
compact
homogeneous
symmetric spaces

Clifton–Pohl torus
general relativity
non-rotating uncharged black-holes
Big Bang
Penrose–Hawking singularity theorems


Lee 2018
do Carmo 1992
do Carmo 1992
do Carmo, Manfredo PerdigĂŁo

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