| Isotypical representation | 17JPH8ZQ99 | definition | open | Wikipedia Isotypical representation, Wikidata Q17043919 |
| Israel | E89C3NAQYV | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q801, ProofWiki Mathematician:Mathematicians/Sorted_By_Nation/Israel |
| Israel Fisanovich | 2GKYYNQBGT | unknown | open | Wikipedia List of Ukrainian Jews#GPTB |
| Israel Gelfand | GAMP7K73QN | topic | open | Wikipedia List of people by Erdős number#JNSW, Wikipedia List of Ukrainian Jews#X5WN, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#12Q2, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#R2DL |
| Israel Gelfand | J12TBETCQ8 | topic | open | Wikipedia List of Jewish mathematicians#EF7O |
| Israel Gelfand | XVV8S1TTK1 | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q315414, MathWorld GelfandMazurTheorem, nLab Israel Gelfand, ProofWiki Mathematician:Israel_Moiseevich_Gelfand, Wikipedia Israel Gelfand |
| Israel Gelfand | ZK797WEHAC | topic | open | Wikipedia List of Russian mathematicians#LN1P |
| Israel Gohberg | 4920G2W5RS | topic | open | Wikipedia List of Jewish mathematicians#MN6Q |
| Israel Gohberg | WH48YSCEWH | topic | open | Wikipedia Israel Gohberg, Wikidata Q573921 |
| Israel Gottlieb Canz | YNQ7EE12AP | topic | open | Wikipedia Israel Gottlieb Canz, Wikidata Q103484 |
| Israel Halperin | BMV12TEC5E | unknown | open | Wikipedia List of Jewish mathematicians#AL2U |
| Israel Herstein | XWZCP4QCDR | unknown | open | Wikipedia List of Jewish mathematicians#TNA8 |
| Israel Lyons | 5DKH3K8E7C | topic | open | Wikipedia List of Jewish mathematicians#6W3J |
| Israel Lyons | F89FDXZC2K | topic | open | Wikipedia Israel Lyons, Wikidata Q510592 |
| Israel Mathematical Union | EBDHAYMA8S | topic | open | Wikipedia List of mathematical societies#J4GI |
| Israel Mathematical Union | S4ZPMAKX3Q | topic | open | Wikipedia Israel Mathematical Union, Wikidata Q1526145 |
| Israel Michael Sigal | DH1SSNR50W | topic | open | Wikipedia List of people by Erdős number#M2N4, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#H4RH |
| Israel Michael Sigal | WMQH0XQRCQ | topic | open | Wikipedia Israel Michael Sigal, Wikidata Q4502309 |
| Israel Nathan Herstein | C7FJSB23WK | unknown | open | Wikipedia List of people by Erdős number#AWEI |
| Israel Zamosz | 3YDEHS4WKD | unknown | open | Wikipedia List of Jewish mathematicians#NVGO |
| Issachar ibn Susan | P0M22CJJ2X | unknown | open | Wikipedia List of Jewish mathematicians#O8QW |
| Issai Schur | 9PNM9ZPG0B | topic | open | Wikipedia List of people by Erdős number#706Q, Wikipedia List of German mathematicians#XCEQ |
| Issai Schur | A8W849GDPQ | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q72599, ProofWiki Mathematician:Issai_Schur, Wikipedia Issai Schur |
| Issai Schur | KH1988PAQZ | topic | open | Wikipedia List of Jewish mathematicians#91U2 |
| Issai Schur | KJ7XZRQ2CW | topic | open | Wikipedia List of eponyms of special functions#SA9T |
| Issai Schur | QYJ6643MMN | topic | open | Wikipedia List of mathematicians born in the 19th century#RTZ8 |
| Isserlis' theorem | DZNYEB4K7E | statement | open | Wikipedia List of statistics articles#8DQ6 |
| Isserlis's theorem | WMR722S7MJ | statement | open | Wikipedia Isserlis's theorem, Wikidata Q4491919 |
| Isserlis, Leon | ERJNRYRWCY | unknown | open | Wikipedia List of statisticians#B0UL |
| Isserlis--Wick | Y4VBV4SW1H | 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 2609.36332#HX0O |
| Istanbul Center for Mathematical Sciences | RW3MWXRXBZ | definition | open | Wikipedia Istanbul Center for Mathematical Sciences, Wikidata Q15995215 |
| isthmus | YC2HZFYF16 | definition | open | Wikipedia Glossary of graph theory#7U9C |
| Istituto Nazionale di Alta Matematica Francesco Severi | 3WMSXGW468 | definition | open | Wikipedia Istituto Nazionale di Alta Matematica Francesco Severi, Wikidata Q3803639 |
| Istituto per le Applicazioni del Calcolo Mauro Picone | A7EW1R4D8E | definition | open | Wikipedia Istituto per le Applicazioni del Calcolo Mauro Picone, Wikidata Q3803803 |
| István Fenyő | 1R8F8AGP94 | topic | open | Wikipedia István Fenyő, Wikidata Q16082032 |
| István Fáry | HA8RDZVS10 | topic | open | Wikipedia István Fáry, Wikidata Q660239 |
| István Gyöngy | G72JV787WM | topic | open | Wikipedia István Gyöngy, Wikidata Q6089223 |
| István Juhász | QEH1E7VQ0E | topic | open | Wikipedia István Juhász (mathematician), Wikidata Q1101916 |
| István Szalay | 69VT1J7HVG | topic | open | Wikipedia István Szalay, Wikidata Q41665343 |
| István Vincze | 2FT44HZSBD | topic | open | Wikipedia István Vincze (mathematician), Wikidata Q1406888 |
| István Vincze | VDNRHX8603 | topic | open | Wikipedia List of people by Erdős number#YRFH |
| ISW effect | T7CTHBJN7W | unknown | open | Wikipedia Sachs–Wolfe effect#OLWH |
| It is enough to test \(\Sier\ | 4NC5Q7BKAK | 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 2609.23281#IKXL |
| It's My Turn | G0MNWZDP2N | unknown | open | Wikipedia List of films about mathematicians#4KB1 |
| IT++ | WJTMNXG0NR | unknown | open | Wikipedia List of open-source software for mathematics#DIGO |
| It\^o formula | R51WMWE5AJ | 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 2609.24789#WOXH |
| It\^o identities | KCM1VJ6GAA | 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 2610.06480#BPGD |
| It\^o identities along the field diffusion | SMETDFQ2BK | 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 2610.18350#7G8J |
| It\^o identities from a nonzero starting point | AXTNGN0Y81 | 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 2610.06480#5CV4 |
| It\^o's formula along the branch | 4C4K5Y6V8J | 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 2610.18350#RZLE |
| It\^o's theorem for binary Zinbiel algebras | 6Z5JA00BXZ | 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 2610.02852#83K3 |
| It\^{o}'s lemma | XQ22BMJFDG | 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 2303.10636#4NQ9 |
| Itai Benjamini | KHBE0VSBGA | topic | open | Wikipedia Itai Benjamini, Wikidata Q21531624 |
| Itai Benjamini | ZWYHRZ6XMN | topic | open | Wikipedia List of mathematical probabilists#RMB4, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#MH3E |
| Itala D'Ottaviano | EVGV2Z6PZ9 | topic | open | Wikipedia List of women logicians#VJX5 |
| Itala D'Ottaviano | EYYA6BV9PV | topic | open | Wikipedia Itala D'Ottaviano, Wikidata Q16940307 |
| Italian Mathematical Union | 65J0S3ZFQQ | definition | open | Wikipedia List of mathematical societies#E16G |
| Italian Mathematical Union | N91BEXJX20 | definition | open | Wikipedia Italian Mathematical Union, Wikidata Q658922 |
| Italian National Institute of Statistics | 3KXW21GKWY | definition | open | Wikipedia Italian National Institute of Statistics, Wikidata Q214195 |
| Italian Naval Enigma machine | TH1EB3AVZ3 | unknown | open | Wikipedia Cryptanalysis of the Enigma#IQE6 |
| Italian school of algebraic geometry | 5QJ4Z1DGH9 | topic | open | Wikipedia Italian school of algebraic geometry, Wikidata Q1978447 |
| Italian school of algebraic geometry | MV9GGWP5CK | topic | open | Wikipedia List of incomplete proofs#0D2H |
| Italian school of algebraic geometry | PRSNS8RD1R | topic | open | Wikipedia List of algebraic geometry topics#IWSN, Wikipedia List of mathematics history topics#CY0J |
| Italian society of economics demography and statistics | CMMN10QN80 | unknown | open | Wikipedia List of academic statistical associations#UCVJ |
| Italian Statistical Society | 2M1PK80KZF | definition | open | Wikipedia Italian Statistical Society, Wikidata Q3963390 |
| Italo Jose Dejter | 9T1VEV3HNY | topic | open | Wikipedia Italo Jose Dejter, Wikidata Q14492089 |
| Italy | 81QVGFDRTE | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q38, ProofWiki Mathematician:Mathematicians/Sorted_By_Nation/Italy |
| Itay Neeman | EZ37FF6NCJ | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#NIJ2 |
| Itay Neeman | N4AWX6HWMR | topic | open | Wikipedia Itay Neeman, Wikidata Q102173229 |
| Item analysis | EQF3GRXEG9 | definition | open | Wikipedia Item analysis, Wikidata Q1669245 |
| Item bank | CDN9WK8ZRV | definition | open | Wikipedia Item bank, Wikidata Q13362737 |
| Item characteristic curve | 2Q2WCQZ0KG | unknown | open | Wikipedia Item response theory#5MSX |
| Item information function | MW9RZ5VNW8 | unknown | open | Wikipedia Item response theory#TGH6 |
| Item response theory | 6SRW330RWM | definition | open | Wikipedia Item response theory, Wikidata Q1207340 |
| Item response theory | Q3W45SXAWG | definition | open | Wikipedia List of statistics articles#Q384 |
| Item tree analysis | J8N9Y7KQ0X | definition | open | Wikipedia List of statistics articles#OUQ3 |
| Item tree analysis | S27TTHAXFE | definition | open | Wikipedia Item tree analysis, Wikidata Q6094363 |
| ITEM-f rate correspondence | 4DKR257H9J | 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 2609.33360#BMAK |
| Item-total correlation | FGVGHREQGW | definition | open | Wikipedia List of statistics articles#2EHN |
| Item-total correlation | Z527XC30G3 | definition | open | Wikipedia Item-total correlation, Wikidata Q2451559 |
| ITEM-w upper bound | PCRTDHNY24 | 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 2609.33360#9FUC |
| Iterable cardinal | 5NDD3P2N6S | definition | open | Wikipedia List of large cardinal properties#PU9T |
| Iterable cardinal | Q4NFC4775R | definition | open | Wikipedia Iterable cardinal, Wikidata Q25098857 |
| Iterable cardinal | S3QKKERJ3A | definition | open | Wikipedia List of large cardinal properties#YMB2 |
| Iterated barycenter | EEXSVRY1NA | 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 2610.17909#CEEH |
| Iterated conditional modes | SVY7P7KTC1 | definition | open | Wikipedia Iterated conditional modes, Wikidata Q6094388 |
| Iterated cotangent-difference integral | FWXTJMZ3S3 | 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 2610.04214#RP2L |
| Iterated descendants | 5B61HPZ71X | 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 2610.05652#QOQ7 |
| Iterated excess bound | XMAP0FNTVW | 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 2610.00525#648N |
| iterated faces | H639TXQY17 | 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 2609.32733#JXI2 |
| Iterated filtering | 37JJP5Z3BJ | definition | open | Wikipedia Iterated filtering, Wikidata Q17081875 |
| Iterated forcing | 57VCCQ84K2 | definition | open | Wikipedia Iterated forcing, Wikidata Q18352463 |
| iterated function | 9G877JEWRY | unknown | open | Wikidata Q78079020, MathWorld IteratedMap |
| Iterated function | C15H0BW6E6 | definition | open | Wikipedia Iterated function, Wikidata Q5254619 |
| Iterated function system | PPH5XEQ2PE | definition | open | Wikipedia Iterated function system, Wikidata Q1502167 |
| Iterated function system | SEXZ4TK694 | definition | open | Wikipedia List of mathematical shapes#BJZ0, Wikipedia List of dynamical systems and differential equations topics#ZY8Z |
| Iterated integral | APWAZJBR84 | definition | open | Wikipedia List of real analysis topics#7ANB |
| iterated integral | FPM5FSVPQB | definition | node (a node has the same name as the row) | Wikidata Q6094400, nLab iterated integral, Wikipedia Iterated integral |
| Iterated limit | A15HHYPM46 | definition | open | Wikipedia Iterated limit, Wikidata Q17100668 |
| Iterated logarithm | CDA04HZZTV | definition | open | Wikipedia List of mathematical functions#30T6 |