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Talk:Chapman–Kolmogorov equation

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Further, it is important to, at the least, ensure that both of these are "searchable" as some users may be familiar with one term but not the other, though they are related and both potentially useful to the same person, e.g.. I would suggest leaving as is and referring to the other in each via
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Whether the proof is just marginalization depends on what one calls "the Chapman-Kolmogorov Equation". In "Handbook Of Stochastic Methods" by C.W. Gardiner, second edition, pages 43-44, marginalization is a proof for the equation:
504: 514: 124: 1426: 229: 1419:) where the definition is clear with the proof on the same page. I'm not sure if it corresponds with what is written in this article, because I wasn't able to grasp the definition here. 1136: 1453:
it is important to trace back the origin of this "marginalised" view of the CK equation. I personally like this general form but I am not sure it is considered as a CK equation.
1076:{\displaystyle p(x_{1},t_{1}\ |\ x_{3},t_{3})=\int dx_{2}\ p(x_{1},t_{1};x_{2},t_{2}|x_{3},t_{3})=\int dx_{2}\ p(x_{1},t_{1}|x_{2},t_{2};x_{3},t_{3})\ p(x_{2},t_{2}|x_{3},t_{3})} 1171: 1163: 315: 280:
The two terms are not the same: In the theory of Continuous-Time Markov Chains (CTMC) what is described under "master equation" is called the "balance equation".
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Does it start with a definition of a conditional probability? Then it requires the law of total probability and we are done? What else is needed?
711:{\displaystyle p_{i_{1},\ldots ,i_{n-1}}(f_{1},\ldots ,f_{n-1})=\int _{-\infty }^{\infty }p_{i_{1},\ldots ,i_{n}}(f_{1},\ldots ,f_{n})\,df_{n}} 195: 90: 381: 324: 1430: 186: 147: 1390:
So Gardiner's definition of the Chapman-Kolmogorov equation is more restrictive than the definition given in the current article.
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An example for a non-Markovian process where this equation is not merely the law of total probability would also be clarifying.
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saying "Form of CK equation needed for Kolmogorov construction is more general than CK for Markov processes"
1379:{\displaystyle p(x_{1},t_{1}|x_{3},t_{3})=\int dx_{2}\ p(x_{1},t_{1}|x_{2},t_{2})p(x_{2},t_{2}|x_{3},t_{3})} 1450: 1446: 1393: 39: 172: 1468: 256: 73: 52: 1422: 320: 1472: 1434: 1401: 369: 361: 332: 270: 194:
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Gardiner says "This equation is also always valid. We now introduce the Markov assumption. If
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Moreover, references should be provided for this equation which has been introduce by @
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However, Gardiner does not call that equation "the Chapman-Kolmogorov Equation".
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Does someone know a reference to Chapman's or Kolmogorov's work w.r.t. this?
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What exactly is the form for the proof of the Chapman-Kolmogorov equation?
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which corresponds to the equation in the current article given by:
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I am going to check original works of Chapman and Kolmogorov.
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dependence in the double conditioned probability and write
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All the proofs I can find assume some Markovian process.
1174: 1144: 1091: 732: 517: 384: 303: 190:, a collaborative effort to improve the coverage of 85:, a collaborative effort to improve the coverage of 1378: 1157: 1130: 1075: 710: 498: 309: 8: 19: 1420: 1386:which is the Chapman-Kolmogorov equation." 136: 47: 1367: 1354: 1345: 1339: 1326: 1307: 1294: 1285: 1279: 1266: 1248: 1226: 1213: 1204: 1198: 1185: 1173: 1149: 1143: 1131:{\displaystyle t_{1}\geq t_{2}\geq t_{3}} 1122: 1109: 1096: 1090: 1064: 1051: 1042: 1036: 1023: 1002: 989: 976: 963: 954: 948: 935: 917: 895: 882: 873: 867: 854: 841: 828: 810: 788: 775: 764: 756: 743: 731: 724:Marginalization also proves the equation 702: 684: 665: 650: 631: 626: 616: 608: 586: 567: 546: 527: 522: 516: 487: 474: 461: 448: 430: 408: 395: 383: 302: 262:19:52, Jan 26, 2005 (UTC) Amended, from 1441:References for this general formulation 693: 251:that the Chapman in the title might be 138: 49: 1427:2A00:1028:83D4:42DE:225:22FF:FEF6:293 264:http://members.aol.com/jeff570/c.html 7: 184:This article is within the scope of 79:This article is within the scope of 38:It is of interest to the following 1492:Low-importance Statistics articles 1417:Introduction to Probability Models 617: 612: 14: 1507:Low-priority mathematics articles 204:Knowledge:WikiProject Mathematics 1502:Start-Class mathematics articles 346:Isn't it just marginalization? 207:Template:WikiProject Mathematics 171: 161: 140: 99:Knowledge:WikiProject Statistics 72: 51: 20: 1497:WikiProject Statistics articles 1487:Start-Class Statistics articles 224:This article has been rated as 119:This article has been rated as 102:Template:WikiProject Statistics 1373: 1346: 1319: 1313: 1286: 1259: 1232: 1205: 1178: 1070: 1043: 1016: 1008: 955: 928: 901: 874: 821: 794: 765: 736: 690: 658: 598: 560: 493: 441: 414: 388: 1: 1402:09:31, 29 November 2015 (UTC) 370:12:56, 21 December 2014 (UTC) 198:and see a list of open tasks. 93:and see a list of open tasks. 295:Application to Markov chains 271:17:17, 3 November 2005 (UTC) 1473:13:12, 1 October 2024 (UTC) 1445:Indeed, as pointed out by @ 1523: 1435:14:57, 20 March 2016 (UTC) 317:is not defined anywhere. 276:Merge with master equation 223: 156: 118: 67: 46: 333:16:18, 6 June 2010 (UTC) 230:project's priority scale 285:mention and/or a link. 187:WikiProject Mathematics 1411:I've added an item to 1380: 1159: 1132: 1077: 712: 500: 311: 297:section, the variable 82:WikiProject Statistics 28:This article is rated 1381: 1160: 1158:{\displaystyle t_{3}} 1133: 1078: 713: 501: 312: 1172: 1142: 1089: 730: 515: 382: 301: 210:mathematics articles 621: 289:Undefined variables 105:Statistics articles 1376: 1155: 1128: 1073: 708: 694: 604: 496: 307: 179:Mathematics portal 34:content assessment 1437: 1425:comment added by 1407:Easier definition 1255: 1012: 924: 817: 770: 763: 437: 323:comment added by 310:{\displaystyle s} 244: 243: 240: 239: 236: 235: 135: 134: 131: 130: 1514: 1385: 1383: 1382: 1377: 1372: 1371: 1359: 1358: 1349: 1344: 1343: 1331: 1330: 1312: 1311: 1299: 1298: 1289: 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Sydney Chapman

The Anome
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