| Jonathan Marchini | MR55YQWHR1 | topic | open | Wikipedia Jonathan Marchini, Wikidata Q32653370 |
| Jonathan Mboyo Esole | 4GCKWGXDRV | topic | open | Wikipedia Jonathan Mboyo Esole, Wikidata Q51021052 |
| Jonathan Mock Beck | 75BKPQT7SH | topic | open | Wikipedia Jonathan Mock Beck, Wikidata Q6273934 |
| Jonathan N. Katz | 7KMW7ZBMAF | topic | open | Wikipedia Jonathan N. Katz, Wikidata Q59673373 |
| Jonathan Ogden | 93MKJPD8P5 | unknown | open | Wikipedia List of University of California, Los Angeles people#7RS7 |
| Jonathan Partington | 96VWQAV3AE | topic | open | Wikipedia Jonathan Partington, Wikidata Q10978647 |
| Jonathan Partington | K3XXXVDWR1 | topic | open | Wikipedia List of people by Erdős number#GETZ |
| Jonathan Pila | 8MM1XA97N9 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#U4Z4 |
| Jonathan Pila | R6KBWVANYX | topic | open | Wikipedia Jonathan Pila, Wikidata Q1703280 |
| Jonathan Rosenberg | D6FAT5ZEN6 | topic | open | Wikipedia List of people by Erdős number#G9VR |
| Jonathan Rosenberg | GK3ER17Z6D | topic | open | Wikipedia Jonathan Rosenberg (mathematician), Wikidata Q15198608 |
| Jonathan Rosenhead | 2NV9EFJKZ5 | topic | open | Wikipedia Jonathan Rosenhead, Wikidata Q72306335 |
| Jonathan Rougier | P8ABF41WSS | topic | open | Wikipedia Jonathan Rougier (statistician), Wikidata Q46996203 |
| Jonathan Taylor | SQJTPHY2GS | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#V9UA |
| Jonathan Wise | 677NFJA8RD | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q60058118, nLab Jonathan Wise |
| Jonckheere's trend test | 4WETH2TBW8 | definition | open | Wikipedia Jonckheere's trend test, Wikidata Q1703341 |
| Jonckheere's trend test | 7581PJ6T2K | definition | open | Wikipedia List of statistics articles#HM27 |
| Jones calculus | WZVMXKKQGG | definition | open | Wikipedia Jones calculus, Wikidata Q1323967 |
| Jones index theorem | NXXPGFBFEP | statement | open | Wikipedia Subfactor#1LIC |
| Jones polynomial | 7XBKSYBY07 | definition | open | Wikidata Q1528291, MathWorld JonesPolynomial, nLab Jones polynomial, Wikipedia Jones polynomial |
| Jones polynomial | HSE54Q87AS | definition | open | Wikipedia List of polynomial topics#B9D2 |
| Jones' traveling salesman theorem in R2 | 3K5FZR8TK6 | statement | open | Wikipedia Analyst's traveling salesman theorem#PMGG |
| Jones, Edward | T55BNJ39AH | topic | open | Wikipedia List of statisticians#99EJ |
| Jones-Loyd, Samuel | 38TBFX75PQ | unknown | open | Wikipedia List of statisticians#XOZM |
| Jones–Dole equation | TVG1DNSERD | definition | open | Wikipedia Jones–Dole equation, Wikidata Q25101940 |
| Jong Hae Keum | DWZF9QREQ5 | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#CH6V |
| Jongil Park | NG7TA4ET63 | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#QQ82 |
| Joos Ulrich Heintz | PXSSX6SGCE | topic | open | Wikipedia Joos Ulrich Heintz, Wikidata Q79888550 |
| Joram Lindenstrauss | CCWRPCN1SK | topic | open | Wikipedia Joram Lindenstrauss, Wikidata Q432874 |
| Joram Lindenstrauss | JCXGJWFJ4B | topic | open | Wikipedia List of Jewish mathematicians#6FAF |
| Joram Lindenstrauss | MWX5BMR5ZW | topic | open | Wikipedia List of people by Erdős number#MN9E, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#2YBW |
| Jordan | MN6Q6V6T3C | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q810, ProofWiki Mathematician:Mathematicians/Sorted_By_Nation/Jordan |
| Jordan algebra | 15CKGMD1RD | definition | open | Wikipedia List of abstract algebra topics#KOXJ, Wikipedia List of algebras#WH3M |
| Jordan algebra | 3GD3KBNKC5 | statement | open | mathlib_1000 Q649977, Wikidata Q649977, thousand_plus Q649977, Wikipedia Shirshov–Cohn theorem, EoM Jordan_algebra, MathWorld JordanAlgebra, nLab Jordan algebra, Wikipedia Jordan algebra |
| Jordan canonical form | Q8AZHFES55 | definition | open | Wikipedia List of named matrices#ZO4Q |
| Jordan Chains | 8GYGEWS56Q | definition | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2411.16022#4S17 |
| Jordan content | 52QGGF54JJ | definition | open | Wikipedia List of integration and measure theory topics#9ZNF |
| Jordan curve | 5X8Z5AF4A0 | definition | open | Wikipedia List of curves topics#R0C8 |
| Jordan curve theorem | APDEM5AJ1R | statement | open | mathlib_1000 Q260928, Wikidata Q260928, thousand_plus Q260928, Wikipedia Jordan curve theorem, MathWorld JordanCurveTheorem, nLab Jordan curve theorem, ProofWiki Jordan_Curve_Theorem |
| Jordan curve theorem | BANEXXYPMK | statement | open | Wikipedia List of incomplete proofs#SR60 |
| Jordan curve theorem | XC9GYXQKQC | statement | open | Wikipedia List of theorems#0QDM |
| Jordan decomposition theorem | Y36CZHMAY8 | statement | open | Wikidata Q120907267, EoM Jordan_decomposition_(of_a_signed_measure) |
| Jordan Ellenberg | D0HZM1XSZ7 | topic | open | Wikipedia List of Jewish mathematicians#G1IE |
| Jordan Ellenberg | H553HQM0CG | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q6276506, ProofWiki Mathematician:Jordan_Stuart_Ellenberg, Wikipedia Jordan Ellenberg |
| Jordan Ellenberg | X6YC44XSDW | topic | open | Wikipedia List of people by Erdős number#H9GX |
| Jordan frame (Jordan algebra) | 8WZCGKNSSY | unknown | open | Wikipedia Symmetric cone#ALY2 |
| Jordan matrix | ND0G4AM64F | definition | open | Wikipedia Jordan matrix, Wikidata Q3738073 |
| Jordan measure | DK2QRMDFEE | concept | node (a node has the same name as the row) | Wikidata Q1703597, EoM Jordan_measure, MathWorld JordanMeasure, Wikipedia Peano–Jordan measure |
| Jordan normal form | 1NG4CSHNYY | concept | node (a node has the same Wikidata item as the row) | Wikidata Q838495, MathWorld JordanCanonicalForm, Wikipedia Jordan normal form |
| Jordan normal form | KFFKEYQB8N | unknown | open | mathlib_undergrad Linear algebra > Structure theory of endomorphisms > Jordan normal form |
| Jordan operator algebra | JFBTH9A892 | definition | open | Wikipedia Jordan operator algebra, Wikidata Q17098325 |
| Jordan restrictions for primitive inner images | NQBSWBC2Q2 | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.27204#5EVI |
| Jordan superalgebra | 2WQJY67ZDN | unknown | open | Wikipedia Jordan algebra#9BKJ |
| Jordan triple product | EF8ZACFT2A | unknown | open | Wikipedia Triple system#19O1 |
| Jordan's inequality | 5D5X0812FR | statement | open | Wikipedia List of inequalities#KCWV |
| Jordan's inequality | SSW3BFRG2E | statement | open | Wikidata Q1703592, MathWorld JordansInequality, Wikipedia Jordan's inequality |
| Jordan's lemma | AKX0TBJF42 | statement | node (a node has the same Wikidata item as the row) | arXiv 2610.16267#QCRQ, Wikidata Q1816932, MathWorld JordansLemma, Wikipedia Jordan's lemma |
| Jordan's lemma | MKN7QQ3H1K | statement | open | Wikipedia List of lemmas#F0AG |
| Jordan's theorem | 8E5EZDRKEY | statement | open | mathlib_1000 Q6276298, Wikidata Q6276298, thousand_plus Q6276298, Wikipedia Jordan's theorem (multiply transitive groups), Wikipedia Jordan's theorem (symmetric group) |
| Jordan's theorem (multiply transitive groups) | CJSEASFN0N | statement | open | Wikipedia List of theorems#G3UT |
| Jordan's totient function | FVCS0PP4GE | definition | open | Wikipedia Jordan's totient function, Wikidata Q6276303 |
| Jordan, Michael I. | E7QMBCV20Z | unknown | open | Wikipedia List of statisticians#XT8C |
| Jordan-Chevalley decomposition | 2CG9Y4KMM1 | statement | open | Wikipedia Jordan–Chevalley decomposition#245G |
| Jordan-Chevalley-Dunford decomposition | YP1XNAYBP4 | unknown | open | mathlib_undergrad Linear algebra > Structure theory of endomorphisms > Jordan-Chevalley-Dunford decomposition, Mathlib Module.End.exists_isNilpotent_isSemisimple |
| Jordan-Dedekind chain condition | 3PF42NSF15 | unknown | open | Wikipedia Lattice (order)#J2SV |
| Jordan-Schönflies theorem | N816WZY717 | problem | open | Wikipedia List of geometric topology topics#H0RX |
| Jordanus de Nemore | QF0JX26P3B | topic | open | Wikipedia Jordanus de Nemore, Wikidata Q1232954 |
| Jordan–Chevalley decomposition | TVEXVR025W | definition | open | Wikipedia Jordan–Chevalley decomposition, Wikidata Q1631086 |
| Jordan–Dedekind lattice | 1VDCH1Q620 | definition | open | Wikipedia List of things named after Richard Dedekind#ASNB |
| Jordan–Hölder theorem | 3Y76J8AD2P | definition | open | Wikipedia List of abstract algebra topics#B3LU |
| Jordan–Hölder theorem | 9ER789N3TC | statement | node (a node has the same name as the row) | Wikidata Q737458, MathWorld Jordan-HoelderTheorem |
| Jordan–Hölder theorem | EVZVY94XSH | statement | open | Wikipedia Length of a module#T711 |
| Jordan–Hölder theorem | KQS151WY44 | definition | open | Wikipedia List of theorems#J7DX |
| Jordan–Pólya number | 5KCSNWXNS8 | definition | open | Wikipedia List of factorial and binomial topics#91F8 |
| Jordan–Pólya number | JHH0R8QKAR | definition | open | Wikidata Q108899013, OEIS A001013, Wikipedia Jordan–Pólya number |
| Jordan–Schur theorem | Q6RN002DR3 | statement | open | mathlib_1000 Q2360531, Wikidata Q2360531, thousand_plus Q2360531, Wikipedia Jordan–Schur theorem |
| Jordan–Schur theorem | WNFF50HBFF | statement | open | Wikipedia List of theorems#A7BA |
| Jordan–Schönflies theorem | NP9QBHWDSP | problem | open | Wikipedia List of theorems#TDM8 |
| Jordan–von Neumann theorems | 3RRD24Y3KN | statement | open | Wikipedia Polarization identity#CLPQ |
| Jordan–Wigner transformation | TAPVMH32JJ | definition | open | Wikipedia Jordan–Wigner transformation, Wikidata Q898893 |
| Jorge G. Russo | R9QJHX9S7C | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q30504231, nLab Jorge Russo |
| Jorge Luis Borges and mathematics | 5ZZC8S51S5 | definition | open | Wikipedia Jorge Luis Borges and mathematics, Wikidata Q4945041 |
| Jorge M. López | 6QC3HJ8GFF | topic | open | Wikipedia Jorge M. López, Wikidata Q102163995 |
| Jorge Mateu | 8M6VCZ1F45 | topic | open | Wikipedia Jorge Mateu, Wikidata Q64857092 |
| Jorge Nocedal | DFK3X5C9H9 | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#0877 |
| Jorge Nuno Silva | VWWBEAVPQ7 | topic | open | Wikipedia Jorge Nuno Silva, Wikidata Q112554987 |
| Jorge Stolfi | ZB54YB8FHY | unknown | open | Wikipedia List of people by Erdős number#JP68 |
| Jorge Urrutia | WYC75FQHJC | topic | open | Wikipedia List of people by Erdős number#751Y |
| Jorge Urrutia Galicia | 1VBZA2ST9S | topic | open | Wikipedia Jorge Urrutia Galicia, Wikidata Q20006950 |
| Jorge Zanelli | 6T6NK95PDF | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q113990808, nLab Jorge Zanelli |
| Joris van der Hoeven | 2D7N69VSRP | topic | open | Wikipedia Joris van der Hoeven, Wikidata Q30529466 |
| Joris van der Hoeven | DG4AJJNT9P | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#CXY0 |
| Jorma Rissanen | XNSN5DY6GD | unknown | open | Wikipedia List of people by Erdős number#60AQ |
| Jos Baeten | 47VGNX7274 | topic | open | Wikipedia Jos Baeten, Wikidata Q102122624 |
| Jose Principe | GDCEGJBBT3 | unknown | open | Wikipedia List of people by Erdős number#77IQ |
| Josef Anton Gmeiner | R8DA71NZBM | topic | open | Wikipedia Josef Anton Gmeiner, Wikidata Q6279663 |
| Josef Lennertz | CQF9A4XMJY | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#PR36 |
| Josef Lense | 56HQGBNYZ2 | unknown | open | Wikipedia List of contributors to general relativity#7DZH |
| Josef Lense | GGJ6GFJB9J | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#5DAS |
| Josef Meixner | H8ZV6MEDEP | unknown | open | Wikipedia List of eponyms of special functions#BZKP |