| Heawood 4-color graph | 1SVN2KA7G6 | unknown | open | Wikidata Q3115450, House of Graphs 1152, MathWorld HeawoodFour-ColorGraph |
| Heawood graph | M69TPK9CEB | definition | open | Wikidata Q3046737, House of Graphs 1154, MathWorld HeawoodGraph, Wikipedia Heawood graph |
| Heawood number | QDMMQARRXA | definition | open | Wikipedia Heawood number, Wikidata Q5695308 |
| HEB8RGQHN5 | HEB8RGQHN5 | 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 2609.29699#VP2U |
| Hebbian rule | 4NR6579BHV | definition | open | Wikidata Q1277874, EoM Hebb_rule, Wikipedia Hebbian theory |
| Hebern rotor machine | PAEPCFECFA | definition | open | Wikipedia Hebern rotor machine, Wikidata Q3274389 |
| hebesphenomegacorona | D654D1EFM3 | definition | open | Wikidata Q680011, MathWorld Hebesphenomegacorona, Wikipedia Hebesphenomegacorona |
| Hebesphenomegacorona | WA3TPN5Z74 | definition | open | Wikipedia List of mathematical shapes#60DP, Wikipedia List of polygons, polyhedra and polytopes#SX4W |
| HEBEZ66JSN | HEBEZ66JSN | 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 2610.05520#QUEV |
| HEBKGXV5TQ | HEBKGXV5TQ | 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 2609.23424#32OJ |
| Hebrew alphabet | 3CPQ01W03A | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q33513, ProofWiki Symbols:Hebrew_Alphabet |
| Hebrew calendar | 11DSZJBRZC | definition | open | Wikidata Q44722, ProofWiki Definition:Calendar/Jewish |
| HEC933550P | HEC933550P | 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 2610.20760#PL5S |
| HECBXEBQR5 | HECBXEBQR5 | 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 2610.17479#UFQ7 |
| Hechler forcing | B1CAC2R2HQ | unknown | open | Wikipedia List of forcing notions#5UDX |
| Hecke | PDVBDVXVS6 | definition | open | Wikipedia Glossary of number theory#DY65 |
| Hecke algebra | ABGBK020FC | definition | open | Wikipedia List of things named after Erich Hecke#C9TV |
| Hecke algebra | E89Q5J477T | definition | open | Wikipedia Hecke algebra, Wikidata Q48970267 |
| Hecke algebra (disambiguation) | MS5643AVTZ | unknown | open | Wikipedia List of things named after Erich Hecke#8XXS |
| Hecke algebra of a finite group | 4EWHAMWMM2 | definition | open | Wikipedia Hecke algebra of a finite group, Wikidata Q48970269 |
| Hecke algebra of a locally compact group | SNHWP5D8VE | definition | open | Wikipedia List of algebras#0G6R |
| Hecke algebra of a pair | 2RR4AW9A3X | definition | open | Wikipedia Hecke algebra of a pair, Wikidata Q5696375 |
| Hecke character | 124EZ3R7J7 | definition | open | Wikipedia Hecke character, Wikidata Q1948965 |
| Hecke character | FVFF1K2HYK | definition | open | Wikipedia List of things named after Erich Hecke#6YAI |
| Hecke congruence subgroup | 2D3Q0R2SA9 | definition | open | Wikipedia List of things named after Erich Hecke#9678 |
| Hecke correspondence | VJA01YJG0E | definition | open | Wikipedia List of things named after Erich Hecke#V1L1 |
| Hecke eigenform | 163C1S9C29 | definition | open | Wikipedia List of things named after Erich Hecke#ZUIK |
| Hecke eigensheaf | HYBRTZ08GM | definition | open | Wikipedia Hecke eigensheaf, Wikidata Q128483774 |
| Hecke group | 36JN4NWH2F | unknown | open | Wikipedia Modular group#9F48 |
| Hecke group | TAYF31JB3R | definition | open | Wikipedia List of things named after Erich Hecke#C7FW |
| Hecke L-function (disambiguation) | A5R2ZPNR6G | unknown | open | Wikipedia List of things named after Erich Hecke#KML1 |
| Hecke operator | EA790R4FR3 | concept | open | Wikidata Q1592959, MathWorld HeckeOperator, Wikipedia Hecke operator |
| Hecke operator | KMPW4QPZQ2 | definition | open | Wikipedia List of representation theory topics#DDHD, Wikipedia List of things named after Erich Hecke#IXNO, Wikipedia List of harmonic analysis topics#ZMPL |
| Hecke ring | 7M6JB268GK | unknown | open | Wikipedia List of things named after Erich Hecke#0J6M |
| Heckman correction | KQ9WHTKSWY | definition | open | Wikipedia Heckman correction, Wikidata Q5696455 |
| Heckman correction | P7SPW7WDHT | definition | open | Wikipedia List of statistics articles#FDB3 |
| Heckman, Nancy E. | HYVSXG4YE2 | unknown | open | Wikipedia List of statisticians#GGSL |
| Heckman–Opdam polynomials | DJ1H0JKFHP | definition | open | Wikipedia Heckman–Opdam polynomials, Wikidata Q5696461 |
| Heckman–Opdam polynomials | JF4HW2QY43 | definition | open | Wikipedia List of polynomial topics#05XE |
| Heckscher–Ohlin theorem | 2YJSQGT7QP | statement | open | Wikipedia List of theorems#6LTQ |
| Heckscher–Ohlin theorem | 3QG81QT27W | statement | open | Wikipedia List of paradoxes#BVVL |
| Heckscher–Ohlin theorem | QAXRAN9TV8 | statement | open | mathlib_1000 Q1143540, Wikidata Q1143540, thousand_plus Q1143540, Wikipedia Heckscher–Ohlin theorem |
| HECNJKAN8H | HECNJKAN8H | 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 2609.21552#QK08 |
| hectad | QEPTF1W9D1 | definition | open | Wikidata Q5696515, ProofWiki Definition:Hectad |
| hectare | ARYFEJK6CN | definition | open | Wikidata Q35852, ProofWiki Definition:Hectare |
| hectic | TE20V517MB | definition | open | Wikipedia Glossary of invariant theory#74OW |
| hecto | NQ4H055KTE | definition | open | Wikidata Q152512, ProofWiki Definition:Metric_System/Scaling_Prefixes/hecto- |
| hectobar | W0GHHZ0TYW | definition | open | Wikidata Q106886632, ProofWiki Definition:Hectobar |
| Hectogon | 3N2MX6DBJ2 | definition | open | Wikipedia List of two-dimensional geometric shapes#258U |
| Hectogon | P7QHGM8AMM | definition | open | Wikipedia List of mathematical shapes#J2X3, Wikipedia List of mathematical shapes#X9BP, Wikipedia List of polygons, polyhedra and polytopes#RE6B |
| hectogon | V8P192ME32 | unknown | open | Wikidata Q3129199, MathWorld Hectogon |
| hectometre | HAZSH679GT | definition | open | Wikidata Q844338, ProofWiki Definition:Metric_System/Length/Hectometre |
| Hector Leak | K8TDJW97FQ | topic | open | Wikipedia Hector Leak, Wikidata Q15968233 |
| Hector Zenil | T98N3M9TZR | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q63660773, nLab Hector Zenil |
| HEDA8NNMEB | HEDA8NNMEB | example | 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 2610.13241#EQQE |
| Hedberg | 1VG7BR1S4A | statement | open | hott_book hlevels.tex#thm:hedberg |
| Hedberg's theorem | HRNYTAFKXH | concept | open | hott_book index/6.2/hedberg-s-theorem |
| Hedberg's theorem | HS8FXY6HQ0 | concept | open | hott_book index/9.11/hedberg-s-theorem |
| Hedetniemi's conjecture | BBGDTDP5RC | statement | open | Wikipedia Hedetniemi's conjecture, Wikidata Q17022106 |
| Hedetniemi's conjecture | R7S8JY0JR7 | statement | open | Wikipedia List of conjectures#JWLD |
| Hedetniemi's conjecture | X8FQZDD9QA | statement | open | Wikipedia List of unsolved problems in mathematics#69ZX |
| Hedge's g | 31SN07QNBG | unknown | open | Wikipedia Effect size#A7WI |
| hedgehog | BSA5KW1TKJ | unknown | open | Wikipedia List of mathematical shapes#6SO9 |
| hedgehog | Z4061X8BQE | definition | open | Wikidata Q104868325, MathWorld Hedgehog, Wikipedia Hedgehog (geometry) |
| Hedgehog (curve) | S1VRKH0D7A | unknown | open | Wikipedia List of curves topics#2HOY |
| Hedgehog space | 6GAHVH3H4R | definition | open | Wikipedia Hedgehog space, Wikidata Q4053718 |
| Hedgehog space | KDHBVB5082 | definition | open | Wikipedia List of topologies#ASUI |
| Hedges, Larry V. | D31B6R99A3 | topic | open | Wikipedia List of statisticians#RVGK |
| Hedlund's theorem: ergodicity of geodesic and horocycle flows | F4VCRCMEZ8 | statement | open | Wikipedia Ergodic flow#IN36 |
| Hedonic regression | 9VR3AYE8TM | definition | open | Wikipedia Hedonic regression, Wikidata Q388056 |
| Hedonic regression | EZSGRC4SNS | definition | open | Wikipedia List of statistics articles#UFTZ |
| Hedonic scale | V3VR28M2D6 | definition | open | Wikipedia Hedonic scale, Wikidata Q130425869 |
| Hee Oh | TYK8QNGDQX | topic | open | Wikipedia Hee Oh, Wikidata Q15649160 |
| Hee Oh | WZQ7N7Z30Y | topic | open | Wikipedia List of people by Erdős number#OHSE, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#EKVO |
| Hee Sik Kim | 90X2PNK0XD | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q87518273, ProofWiki Mathematician:Hee_Sik_Kim |
| HEE08EFRPJ | HEE08EFRPJ | example | 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 2609.27414#XEK3 |
| HEE2GC6757 | HEE2GC6757 | 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 2610.10262#DJ8J |
| HEE4FVVESY | HEE4FVVESY | 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 2609.21016#0DKF |
| HEE4SA2DVA | HEE4SA2DVA | 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 2610.05506#QTVD |
| HEEA6HA5EQ | HEEA6HA5EQ | 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 2609.20002#VK7E |
| Heegaard Floer homology | MXDV2C5M87 | unknown | open | Wikipedia Floer homology#0KE9 |
| Heegaard splitting | 2KSF47ZFTN | definition | open | Wikipedia List of geometric topology topics#85YS |
| Heegaard splitting | MMFXTVGR2V | statement | open | mathlib_1000 Q5697916A, Wikidata Q5697916, mathlib_1000 Q5697916B, thousand_plus Q5697916A, Wikipedia Heegaard splitting, thousand_plus Q5697916B, MathWorld HeegaardSplitting |
| Heegner number | 8PEYYMZV5B | definition | open | Wikidata Q1322644, MathWorld HeegnerNumber, OEIS A003173, Wikipedia Heegner number |
| Heegner point | FXJMJGZB7Z | definition | open | Wikipedia List of mathematical properties of points#YOLJ |
| Heegner point | YR9WA0ZCV7 | statement | open | mathlib_1000 Q5697927, Wikidata Q5697927, thousand_plus Q5697927, Wikipedia Gross–Zagier theorem, Wikipedia Heegner point |
| Heegner's lemma | HGJSKTKA2S | statement | open | Wikipedia Heegner's lemma, Wikidata Q15637296 |
| HEEJAMQF2Q | HEEJAMQF2Q | 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 2609.39353#BMU4 |
| Heesch's problem | ZMPY911D3T | conjecture | open | Wikidata Q17022147, MathWorld HeeschNumber, MathWorld HeeschsProblem, Wikipedia Heesch's problem |
| Heesch's tiling problem | 1V4DR2NJ8E | problem | 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 2610.02579#HKNB |
| HEF3ZTWBZJ | HEF3ZTWBZJ | 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 2610.13792#VB42 |
| HEFBV1Z7BJ | HEFBV1Z7BJ | 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 2610.21093#X7E9 |
| Hefer's lemma | 1TSK4AGA6N | statement | open | Wikipedia Hefer's theorem#PLW7 |
| Hefer's theorem | W500S9C5G8 | statement | open | Wikipedia Hefer's theorem, Wikidata Q130613966 |
| HEFVG3JA9H | HEFVG3JA9H | exercise | open | ernst_ibl MAAPressVersion/ContinuousFunctions.tex#problem-1 |
| HegartyMaths | AY00V0VQTM | definition | open | Wikipedia HegartyMaths, Wikidata Q60755731 |
| Hegel's reception in France | A4N3KY8JHG | unknown | open | Wikipedia Georg Wilhelm Friedrich Hegel#E4GB |
| Hegelian phenomenology | F1TW2RG71A | unknown | open | Wikipedia Georg Wilhelm Friedrich Hegel#36D8 |
| HEGYV9TNKZ | HEGYV9TNKZ | 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 2610.22082#7UUR |
| HEGZMS9E1B | HEGZMS9E1B | 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 2609.27799#WW98 |