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Context-sensitive language

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is a context-sensitive language (the "2" in the name of this language is intended to mean a binary alphabet). This was proved by Hartmanis using pumping lemmas for regular and context-free languages over a binary alphabet and, after that, sketching a linear bounded multitape automaton accepting
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is a context-sensitive language (the "1" in the name of this language is intended to mean a unary alphabet). This was credited by A. Salomaa to Matti Soittola by means of a linear bounded automaton over a unary alphabet (pages 213-214, exercise 6.8) and also to Marti Penttonen by means of a
252:"c"s (abc, aabbcc, aaabbbccc, etc.). A superset of this language, called the Bach language, is defined as the set of all strings where "a", "b" and "c" (or any other set of three symbols) occurs equally often (aabccb, baabcaccb, etc.) and is also context-sensitive. 595:
is another context-sensitive language (the "3" in the name of this language is intended to mean a ternary alphabet); that is, the "product" operation defines a context-sensitive language (but the "sum" defines only a context-free language as the grammar
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is a constant associated with the machine. This means that every formal language that can be decided by such a machine is a context-sensitive language, and every context-sensitive language can be decided by such a machine.
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is another context-sensitive language; the corresponding context-sensitive grammar can be easily projected starting with two context-free grammars generating sentential forms in the formats
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Joshi, A.; Vijay-Shanker, K.; and Weir, D. (1991). "The convergence of mildly context-sensitive grammar formalisms". In: Sells, P., Shieber, S.M. and Wasow, T. (Editors).
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Membership of a string in a language defined by an arbitrary context-sensitive grammar, or by an arbitrary deterministic context-sensitive grammar, is a
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is a context-sensitive language. The corresponding context-sensitive grammar can be obtained as a generalization of the context-sensitive grammars for
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Example 9.5 (p. 224) of Hopcroft, John E.; Ullman, Jeffrey D. (1979). Introduction to Automata Theory, Languages, and Computation. Addison-Wesley
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Turing machine. Clearly LINSPACE is a subset of NLINSPACE, but it is not known whether LINSPACE = NLINSPACE.
149:)), because they can be accepted using linear space on a non-deterministic Turing machine. The class LINSPACE (or DSPACE( 2095: 2020: 2192: 947: 875: 172: 1478:
context-sensitive grammar also over a unary alphabet (See: Formal Languages by A. Salomaa, page 14, Example 2.5).
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is ambiguous. This problem can be avoided considering a somehow more restrictive definition of the language, e.g.
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Any language in each category is generated by a grammar and by an automaton in the category in the same line.
158: 2176: 2114: 2039: 1840: 47: 35: 1814:; Exercise 9.10, p.230. In the 2000 edition, the chapter on context-sensitive languages has been omitted. 639: 258:
can be shown to be a context-sensitive language by constructing a linear bounded automaton which accepts
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The complement of a context-sensitive language is itself context-sensitive a result known as the
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shows). Because of the commutative property of the product, the most intuitive grammar for
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Computationally, a context-sensitive language is equivalent to a linear bounded
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that is not context-sensitive is any recursive language whose decision is an
1782: 378:{\displaystyle L_{\textit {Cross}}=\{a^{m}b^{n}c^{m}d^{n}:m\geq 1,n\geq 1\}} 1646: 1734: 1486: 169:
One of the simplest context-sensitive but not context-free languages is
790:{\displaystyle L_{\textit {ORDMUL3}}=\{a^{m}b^{n}c^{mn}:1<m<n\}} 1743: 1854: 1470:{\displaystyle L_{\textit {PRIMES1}}=\{a^{p}:p{\mbox{ is prime }}\}} 2170: 1361:{\displaystyle L_{\textit {PRIMES2}}=\{w:|w|{\mbox{ is prime }}\}} 74:. That is a non-deterministic Turing machine with a tape of only 459:
and then supplementing them with a permutation production like
27:"Context-dependent" redirects here. For the type of memory, see 1884: 1667:"Discontinuous constituents in generalized categorial grammars" 1648:
Context-freeness and the computer processing of human languages
1429: 1317: 1248: 1179: 1159:{\displaystyle L_{\textit {Square}}=\{w^{2}:w\in \Sigma ^{*}\}} 1112: 810: 721: 692: 296: 1226:{\displaystyle L_{\textit {Cube}}=\{w^{3}:w\in \Sigma ^{*}\}} 588:{\displaystyle L_{MUL3}=\{a^{m}b^{n}c^{mn}:m\geq 1,n\geq 1\}} 2239:
Each category of languages, except those marked by a , is a
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Introduction to Automata Theory, Languages, and Computation
865:{\displaystyle L_{\textit {MUL1}}=\{a^{mn}:m>1,n>1\}} 141:
This set of languages is also known as NLINSPACE or NSPACE(
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List of parser generators for context-sensitive languages
1826:"Nondeterministic space is closed under complementation" 1295:{\displaystyle L_{\textit {EXP}}=\{a^{2^{n}}:n\geq 1\}} 1458: 1349: 491:, a new starting symbol and standard syntactic sugar. 1514:
of a context-sensitive language is context-sensitive.
1422: 1375: 1310: 1241: 1172: 1105: 1024: 950: 878: 803: 714: 685: 642: 602: 499: 465: 428: 391: 289: 175: 123: 103: 80: 1556:– a strict subset of the context-sensitive languages 1092:{\displaystyle L_{REP}=\{w^{|w|}:w\in \Sigma ^{*}\}} 1489:-hard problem, say, the set of pairs of equivalent 1795: 1691:Foundational Issues in Natural Language Processing 1469: 1406: 1360: 1294: 1225: 1158: 1091: 1008: 936: 864: 789: 700: 671: 628: 587: 483: 451: 414: 377: 232: 129: 109: 89: 262:. The language can easily be shown to be neither 1009:{\displaystyle L_{m^{3}}=\{a^{m^{3}}:m>1\}} 937:{\displaystyle L_{m^{2}}=\{a^{m^{2}}:m>1\}} 1896: 233:{\displaystyle L=\{a^{n}b^{n}c^{n}:n\geq 1\}} 8: 1794:John E. Hopcroft; Jeffrey D. Ullman (1979). 1464: 1438: 1355: 1326: 1289: 1257: 1220: 1188: 1153: 1121: 1086: 1044: 1003: 971: 931: 899: 859: 819: 784: 730: 582: 522: 372: 305: 240:: the language of all strings consisting of 227: 182: 2218:Counter-free (with aperiodic finite monoid) 1928: 1903: 1889: 1881: 1714:"On the Recognition of Primes by Automata" 1875:Introduction to the Theory of Computation 1844: 1742: 1497:Properties of context-sensitive languages 1457: 1445: 1428: 1427: 1421: 1380: 1374: 1348: 1343: 1335: 1316: 1315: 1309: 1269: 1264: 1247: 1246: 1240: 1214: 1195: 1178: 1177: 1171: 1147: 1128: 1111: 1110: 1104: 1080: 1060: 1052: 1051: 1029: 1023: 983: 978: 960: 955: 949: 911: 906: 888: 883: 877: 826: 809: 808: 802: 757: 747: 737: 720: 719: 713: 691: 690: 684: 658: 641: 618: 601: 549: 539: 529: 504: 498: 464: 443: 433: 427: 406: 396: 390: 342: 332: 322: 312: 295: 294: 288: 209: 199: 189: 174: 122: 102: 79: 157:))) is defined the same, except using a 1571: 42:is a language that can be defined by a 2110:Linear context-free rewriting language 1712:J. Hartmanis and H. Shank (Jul 1968). 2035:Linear context-free rewriting systems 7: 274:for each of the language classes to 244:occurrences of the symbol "a", then 1651:. Proc. 21st Annual Meeting of the 1614:Classical recursion theory. Vol. II 672:{\displaystyle R\rightarrow bRc|bc} 2243:of the category directly above it. 1211: 1144: 1077: 701:{\displaystyle L_{\textit {MUL3}}} 629:{\displaystyle S\rightarrow aSc|R} 25: 1302:is a context-sensitive language. 50:). Context-sensitive is known as 1864:from the original on 2004-06-25. 1581:Complexity theory and cryptology 484:{\displaystyle CB\rightarrow BC} 1680:, vol. 11, pp. 1–12. 68:nondeterministic Turing machine 1344: 1336: 1061: 1053: 797:. This can be specialized to 659: 646: 619: 606: 472: 1: 1519:Immerman–SzelepcsĂ©nyi theorem 117:is the size of the input and 1645:Pullum, Geoffrey K. (1983). 1407:{\displaystyle L_{PRIMES2}} 270:by applying the respective 18:Context-sensitive languages 2281: 2125:Deterministic context-free 2050:Deterministic context-free 452:{\displaystyle B^{n}d^{n}} 415:{\displaystyle a^{m}C^{m}} 40:context-sensitive language 26: 2236: 2198:Nondeterministic pushdown 1926: 1693:. Cambridge MA: Bradford. 1612:Odifreddi, P. G. (1999), 44:context-sensitive grammar 1539:Linear bounded automaton 72:linear bounded automaton 62:Computational properties 29:Context-dependent memory 1824:Immerman, Neil (1988). 1783:10.1016/C2013-0-02221-9 1777:, Pergamon, 276 pages. 46:(and equivalently by a 2203:Deterministic pushdown 2079:Recursively enumerable 1765:Salomaa, Arto (1969), 1471: 1408: 1362: 1296: 1227: 1160: 1093: 1010: 938: 866: 791: 702: 673: 630: 589: 485: 453: 416: 379: 234: 131: 111: 91: 48:noncontracting grammar 36:formal language theory 1735:10.1145/321466.321470 1493:with exponentiation. 1472: 1409: 1363: 1297: 1228: 1161: 1094: 1011: 939: 867: 792: 703: 674: 631: 590: 486: 454: 417: 380: 235: 132: 112: 92: 58:of formal languages. 2188:Tree stack automaton 1877:, PWS Publishing Co. 1579:Rothe, Jörg (2005), 1460: is prime  1420: 1373: 1351: is prime  1308: 1239: 1170: 1103: 1022: 948: 876: 801: 712: 683: 640: 600: 497: 463: 426: 389: 287: 173: 121: 101: 78: 2096:range concatenation 2021:range concatenation 1873:Sipser, M. (1996), 1491:regular expressions 872:and, from this, to 1802:. Addison-Wesley. 1767:Theory of Automata 1722:Journal of the ACM 1672:2014-01-21 at the 1483:recursive language 1467: 1462: 1404: 1358: 1353: 1292: 1223: 1156: 1089: 1006: 934: 862: 787: 698: 669: 626: 585: 481: 449: 412: 375: 230: 127: 107: 90:{\displaystyle kn} 87: 2252: 2251: 2231: 2230: 2193:Embedded pushdown 2089:Context-sensitive 2014:Context-sensitive 1948:Abstract machines 1933:Chomsky hierarchy 1775:978-0-08-013376-8 1665:Bach, E. (1981). 1623:978-0-444-50205-6 1590:978-3-540-22147-0 1554:Indexed languages 1549:Chomsky hierarchy 1461: 1431: 1352: 1319: 1250: 1181: 1114: 812: 723: 694: 298: 130:{\displaystyle k} 110:{\displaystyle n} 56:Chomsky hierarchy 16:(Redirected from 2272: 2265:Formal languages 2247: 2244: 2208:Visibly pushdown 2182:Thread automaton 2130:Visibly pushdown 2098: 2055:Visibly pushdown 2023: 2010:(no common name) 1929: 1916:formal languages 1905: 1898: 1891: 1882: 1866: 1865: 1863: 1848: 1830: 1821: 1815: 1813: 1801: 1791: 1785: 1763: 1757: 1756: 1746: 1718: 1709: 1703: 1700: 1694: 1687: 1681: 1663: 1657: 1656: 1642: 1636: 1634: 1609: 1603: 1601: 1576: 1476: 1474: 1473: 1468: 1463: 1459: 1450: 1449: 1434: 1433: 1432: 1413: 1411: 1410: 1405: 1403: 1402: 1367: 1365: 1364: 1359: 1354: 1350: 1347: 1339: 1322: 1321: 1320: 1301: 1299: 1298: 1293: 1276: 1275: 1274: 1273: 1253: 1252: 1251: 1232: 1230: 1229: 1224: 1219: 1218: 1200: 1199: 1184: 1183: 1182: 1165: 1163: 1162: 1157: 1152: 1151: 1133: 1132: 1117: 1116: 1115: 1098: 1096: 1095: 1090: 1085: 1084: 1066: 1065: 1064: 1056: 1040: 1039: 1015: 1013: 1012: 1007: 990: 989: 988: 987: 967: 966: 965: 964: 943: 941: 940: 935: 918: 917: 916: 915: 895: 894: 893: 892: 871: 869: 868: 863: 834: 833: 815: 814: 813: 796: 794: 793: 788: 765: 764: 752: 751: 742: 741: 726: 725: 724: 707: 705: 704: 699: 697: 696: 695: 678: 676: 675: 670: 662: 635: 633: 632: 627: 622: 594: 592: 591: 586: 557: 556: 544: 543: 534: 533: 518: 517: 490: 488: 487: 482: 458: 456: 455: 450: 448: 447: 438: 437: 421: 419: 418: 413: 411: 410: 401: 400: 384: 382: 381: 376: 347: 346: 337: 336: 327: 326: 317: 316: 301: 300: 299: 277: 261: 257: 251: 247: 243: 239: 237: 236: 231: 214: 213: 204: 203: 194: 193: 136: 134: 133: 128: 116: 114: 113: 108: 96: 94: 93: 88: 70:, also called a 21: 2280: 2279: 2275: 2274: 2273: 2271: 2270: 2269: 2255: 2254: 2253: 2248: 2245: 2238: 2232: 2227: 2149: 2093: 2072: 2018: 1999: 1922: 1920:formal grammars 1912:Automata theory 1909: 1870: 1869: 1861: 1855:10.1137/0217058 1828: 1823: 1822: 1818: 1810: 1793: 1792: 1788: 1764: 1760: 1716: 1711: 1710: 1706: 1701: 1697: 1688: 1684: 1674:Wayback Machine 1664: 1660: 1644: 1643: 1639: 1624: 1611: 1610: 1606: 1591: 1578: 1577: 1573: 1568: 1535: 1526:PSPACE-complete 1499: 1441: 1423: 1418: 1417: 1376: 1371: 1370: 1311: 1306: 1305: 1265: 1260: 1242: 1237: 1236: 1210: 1191: 1173: 1168: 1167: 1143: 1124: 1106: 1101: 1100: 1076: 1047: 1025: 1020: 1019: 979: 974: 956: 951: 946: 945: 907: 902: 884: 879: 874: 873: 822: 804: 799: 798: 753: 743: 733: 715: 710: 709: 686: 681: 680: 638: 637: 598: 597: 545: 535: 525: 500: 495: 494: 461: 460: 439: 429: 424: 423: 402: 392: 387: 386: 338: 328: 318: 308: 290: 285: 284: 275: 259: 255: 249: 245: 241: 205: 195: 185: 171: 170: 167: 119: 118: 99: 98: 76: 75: 64: 32: 23: 22: 15: 12: 11: 5: 2278: 2276: 2268: 2267: 2257: 2256: 2250: 2249: 2237: 2234: 2233: 2229: 2228: 2226: 2225: 2223:Acyclic finite 2220: 2215: 2210: 2205: 2200: 2195: 2190: 2184: 2179: 2174: 2173:Turing Machine 2168: 2166:Linear-bounded 2163: 2158: 2156:Turing machine 2152: 2150: 2148: 2147: 2142: 2137: 2132: 2127: 2122: 2117: 2115:Tree-adjoining 2112: 2107: 2104: 2099: 2091: 2086: 2081: 2075: 2073: 2071: 2070: 2065: 2062: 2057: 2052: 2047: 2042: 2040:Tree-adjoining 2037: 2032: 2029: 2024: 2016: 2011: 2008: 2002: 2000: 1998: 1997: 1994: 1991: 1988: 1985: 1982: 1979: 1976: 1973: 1970: 1967: 1964: 1961: 1958: 1954: 1951: 1950: 1945: 1940: 1935: 1927: 1924: 1923: 1910: 1908: 1907: 1900: 1893: 1885: 1879: 1878: 1868: 1867: 1846:10.1.1.54.5941 1839:(5): 935–938. 1833:SIAM J. Comput 1816: 1808: 1786: 1758: 1729:(3): 382–389. 1704: 1695: 1682: 1658: 1637: 1622: 1604: 1589: 1570: 1569: 1567: 1564: 1563: 1562: 1560:Weir hierarchy 1557: 1551: 1546: 1541: 1534: 1531: 1530: 1529: 1522: 1515: 1498: 1495: 1481:An example of 1466: 1456: 1453: 1448: 1444: 1440: 1437: 1426: 1401: 1398: 1395: 1392: 1389: 1386: 1383: 1379: 1357: 1346: 1342: 1338: 1334: 1331: 1328: 1325: 1314: 1291: 1288: 1285: 1282: 1279: 1272: 1268: 1263: 1259: 1256: 1245: 1222: 1217: 1213: 1209: 1206: 1203: 1198: 1194: 1190: 1187: 1176: 1155: 1150: 1146: 1142: 1139: 1136: 1131: 1127: 1123: 1120: 1109: 1088: 1083: 1079: 1075: 1072: 1069: 1063: 1059: 1055: 1050: 1046: 1043: 1038: 1035: 1032: 1028: 1005: 1002: 999: 996: 993: 986: 982: 977: 973: 970: 963: 959: 954: 933: 930: 927: 924: 921: 914: 910: 905: 901: 898: 891: 887: 882: 861: 858: 855: 852: 849: 846: 843: 840: 837: 832: 829: 825: 821: 818: 807: 786: 783: 780: 777: 774: 771: 768: 763: 760: 756: 750: 746: 740: 736: 732: 729: 718: 689: 668: 665: 661: 657: 654: 651: 648: 645: 625: 621: 617: 614: 611: 608: 605: 584: 581: 578: 575: 572: 569: 566: 563: 560: 555: 552: 548: 542: 538: 532: 528: 524: 521: 516: 513: 510: 507: 503: 480: 477: 474: 471: 468: 446: 442: 436: 432: 409: 405: 399: 395: 374: 371: 368: 365: 362: 359: 356: 353: 350: 345: 341: 335: 331: 325: 321: 315: 311: 307: 304: 293: 272:pumping lemmas 229: 226: 223: 220: 217: 212: 208: 202: 198: 192: 188: 184: 181: 178: 166: 163: 126: 106: 86: 83: 63: 60: 24: 14: 13: 10: 9: 6: 4: 3: 2: 2277: 2266: 2263: 2262: 2260: 2242: 2241:proper subset 2235: 2224: 2221: 2219: 2216: 2214: 2211: 2209: 2206: 2204: 2201: 2199: 2196: 2194: 2191: 2189: 2185: 2183: 2180: 2178: 2175: 2172: 2169: 2167: 2164: 2162: 2159: 2157: 2154: 2153: 2151: 2146: 2143: 2141: 2138: 2136: 2133: 2131: 2128: 2126: 2123: 2121: 2118: 2116: 2113: 2111: 2108: 2105: 2103: 2100: 2097: 2092: 2090: 2087: 2085: 2082: 2080: 2077: 2076: 2074: 2069: 2068:Non-recursive 2066: 2063: 2061: 2058: 2056: 2053: 2051: 2048: 2046: 2043: 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1381: 1377: 1340: 1332: 1329: 1323: 1312: 1303: 1286: 1283: 1280: 1277: 1270: 1266: 1261: 1254: 1243: 1234: 1215: 1207: 1204: 1201: 1196: 1192: 1185: 1174: 1148: 1140: 1137: 1134: 1129: 1125: 1118: 1107: 1081: 1073: 1070: 1067: 1057: 1048: 1041: 1036: 1033: 1030: 1026: 1017: 1000: 997: 994: 991: 984: 980: 975: 968: 961: 957: 952: 928: 925: 922: 919: 912: 908: 903: 896: 889: 885: 880: 856: 853: 850: 847: 844: 841: 838: 835: 830: 827: 823: 816: 805: 781: 778: 775: 772: 769: 766: 761: 758: 754: 748: 744: 738: 734: 727: 716: 687: 666: 663: 655: 652: 649: 643: 623: 615: 612: 609: 603: 579: 576: 573: 570: 567: 564: 561: 558: 553: 550: 546: 540: 536: 530: 526: 519: 514: 511: 508: 505: 501: 492: 478: 475: 469: 466: 444: 440: 434: 430: 407: 403: 397: 393: 369: 366: 363: 360: 357: 354: 351: 348: 343: 339: 333: 329: 323: 319: 313: 309: 302: 291: 282: 279: 273: 269: 265: 253: 224: 221: 218: 215: 210: 206: 200: 196: 190: 186: 179: 176: 164: 162: 160: 159:deterministic 156: 152: 148: 144: 139: 124: 104: 97:cells, where 84: 81: 73: 69: 61: 59: 57: 53: 49: 45: 41: 37: 30: 19: 2177:Nested stack 2120:Context-free 2088: 2045:Context-free 2006:Unrestricted 1874: 1836: 1832: 1819: 1797: 1789: 1766: 1761: 1726: 1720: 1707: 1698: 1690: 1685: 1677: 1661: 1647: 1640: 1613: 1607: 1580: 1574: 1508:intersection 1480: 1416: 1304: 1235: 1018: 493: 283: 280: 268:context-free 254: 168: 154: 150: 146: 142: 140: 65: 51: 39: 33: 2186:restricted 1512:Kleene plus 281:Similarly: 248:"b"s, then 1566:References 2140:Star-free 2094:Positive 2084:Decidable 2019:Positive 1943:Languages 1841:CiteSeerX 1744:1813/5864 1284:≥ 1216:∗ 1212:Σ 1208:∈ 1149:∗ 1145:Σ 1141:∈ 1082:∗ 1078:Σ 1074:∈ 647:→ 607:→ 577:≥ 565:≥ 473:→ 367:≥ 355:≥ 222:≥ 2259:Category 1938:Grammars 1859:Archived 1753:17998039 1670:Archived 1533:See also 1528:problem. 1487:EXPSPACE 165:Examples 2161:Decider 2135:Regular 2102:Indexed 2060:Regular 2027:Indexed 1632:1718169 1599:2164257 1430:PRIMES1 1318:PRIMES2 1233:, etc. 1016:, etc. 722:ORDMUL3 264:regular 54:in the 2213:Finite 2145:Finite 1990:Type-3 1981:Type-2 1963:Type-1 1957:Type-0 1843:  1806:  1773:  1751:  1630:  1620:  1597:  1587:  1113:Square 52:type-1 2171:PTIME 1862:(PDF) 1829:(PDF) 1749:S2CID 1717:(PDF) 1504:union 297:Cross 1918:and 1804:ISBN 1771:ISBN 1678:NELS 1618:ISBN 1585:ISBN 1502:The 1180:Cube 998:> 926:> 854:> 842:> 811:MUL1 779:< 773:< 693:MUL3 636:and 422:and 266:nor 38:, a 1851:doi 1779:doi 1739:hdl 1731:doi 1653:ACL 1249:EXP 34:In 2261:: 1914:: 1857:. 1849:. 1837:17 1835:. 1831:. 1769:, 1747:. 1737:. 1727:15 1725:. 1719:. 1676:. 1628:MR 1626:, 1595:MR 1593:, 1506:, 1414:. 1166:, 944:, 278:. 2106:— 2064:— 2031:— 1996:— 1993:— 1987:— 1984:— 1978:— 1975:— 1972:— 1969:— 1966:— 1960:— 1904:e 1897:t 1890:v 1853:: 1812:. 1781:: 1755:. 1741:: 1733:: 1655:. 1635:. 1602:. 1521:. 1465:} 1455:p 1452:: 1447:p 1443:a 1439:{ 1436:= 1425:L 1400:2 1397:S 1394:E 1391:M 1388:I 1385:R 1382:P 1378:L 1356:} 1345:| 1341:w 1337:| 1333:: 1330:w 1327:{ 1324:= 1313:L 1290:} 1287:1 1281:n 1278:: 1271:n 1267:2 1262:a 1258:{ 1255:= 1244:L 1221:} 1205:w 1202:: 1197:3 1193:w 1189:{ 1186:= 1175:L 1154:} 1138:w 1135:: 1130:2 1126:w 1122:{ 1119:= 1108:L 1087:} 1071:w 1068:: 1062:| 1058:w 1054:| 1049:w 1045:{ 1042:= 1037:P 1034:E 1031:R 1027:L 1004:} 1001:1 995:m 992:: 985:3 981:m 976:a 972:{ 969:= 962:3 958:m 953:L 932:} 929:1 923:m 920:: 913:2 909:m 904:a 900:{ 897:= 890:2 886:m 881:L 860:} 857:1 851:n 848:, 845:1 839:m 836:: 831:n 828:m 824:a 820:{ 817:= 806:L 785:} 782:n 776:m 770:1 767:: 762:n 759:m 755:c 749:n 745:b 739:m 735:a 731:{ 728:= 717:L 688:L 667:c 664:b 660:| 656:c 653:R 650:b 644:R 624:R 620:| 616:c 613:S 610:a 604:S 583:} 580:1 574:n 571:, 568:1 562:m 559:: 554:n 551:m 547:c 541:n 537:b 531:m 527:a 523:{ 520:= 515:3 512:L 509:U 506:M 502:L 479:C 476:B 470:B 467:C 445:n 441:d 435:n 431:B 408:m 404:C 398:m 394:a 373:} 370:1 364:n 361:, 358:1 352:m 349:: 344:n 340:d 334:m 330:c 324:n 320:b 314:m 310:a 306:{ 303:= 292:L 276:L 260:L 256:L 250:n 246:n 242:n 228:} 225:1 219:n 216:: 211:n 207:c 201:n 197:b 191:n 187:a 183:{ 180:= 177:L 155:n 153:( 151:O 147:n 145:( 143:O 125:k 105:n 85:n 82:k 31:. 20:)

Index

Context-sensitive languages
Context-dependent memory
formal language theory
context-sensitive grammar
noncontracting grammar
Chomsky hierarchy
nondeterministic Turing machine
linear bounded automaton
deterministic
regular
context-free
pumping lemmas
recursive language
EXPSPACE
regular expressions
union
intersection
Kleene plus
Immerman–Szelepcsényi theorem
PSPACE-complete
Linear bounded automaton
List of parser generators for context-sensitive languages
Chomsky hierarchy
Indexed languages
Weir hierarchy
ISBN
978-3-540-22147-0
MR
2164257
ISBN

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