| Henry Pogorzelski | MT7X6HV5C1 | topic | open | Wikipedia List of logicians#UEAX |
| Henry Priestley | YV2BE75JR9 | topic | open | Wikipedia Henry Priestley (mathematician), Wikidata Q21538939 |
| Henry Regnand | SBJZ59AJNT | topic | open | Wikipedia Henry Regnand, Wikidata Q5727459 |
| Henry Roy Brahana | R4WHMKV335 | topic | open | Wikipedia Henry Roy Brahana, Wikidata Q5727768 |
| Henry Russell Sanders | B07G6XJQ07 | unknown | open | Wikipedia List of University of California, Los Angeles people#IHDD |
| Henry S. Richardson | NS93G29JGZ | topic | open | Wikipedia Henry S. Richardson, Wikidata Q16499826 |
| Henry Scheffé | EC4B7F95Q2 | topic | open | Wikipedia Henry Scheffé, Wikidata Q5728085 |
| Henry Scheffé | MRMENC9VNS | topic | open | Wikipedia List of fellows of the American Statistical Association#05GM |
| Henry Scheffé | WWX1EC122Z | topic | open | Wikipedia List of presidents of the Institute of Mathematical Statistics#JVM9 |
| Henry Schultz | T1RV8WCPQN | unknown | open | Wikipedia List of fellows of the American Statistical Association#8XIM |
| Henry Seely White | EG3B04066D | topic | open | Wikipedia Henry Seely White, Wikidata Q470497 |
| Henry Segerman | 39RAKJNZVW | topic | open | Wikipedia Henry Segerman, Wikidata Q102311428 |
| Henry Sheffer | 8FXMW1RBZX | topic | open | Wikipedia List of Jewish mathematicians#47V9 |
| Henry Stapp | 821K3DTC8N | topic | open | Wikipedia Henry Stapp, Wikidata Q5728668 |
| Henry Veatch | KB8MBDZ62Y | topic | open | Wikipedia Henry Veatch, Wikidata Q5717655 |
| Henry Vuibert | 3MHBDEEYR5 | topic | open | Wikipedia Henry Vuibert, Wikidata Q125089726 |
| Henry W. Gould | 5NWMB7168Z | topic | open | Wikipedia List of people by Erdős number#Q3I1 |
| Henry W. Gould | C6RJXKN9W4 | topic | open | Wikipedia Henry W. Gould, Wikidata Q5729644 |
| Henry Walcott Farnam | 6KDKZ2ZYNB | unknown | open | Wikipedia List of fellows of the American Statistical Association#VT90 |
| Henry Waxman | DGWWS3VTQB | unknown | open | Wikipedia List of University of California, Los Angeles people#9XV2 |
| Henry William Macrosty | C81PN634GC | topic | open | Wikipedia Henry William Macrosty, Wikidata Q21176829 |
| Henry William Watson | FDHC998K6W | topic | open | Wikipedia Henry William Watson, Wikidata Q3709326 |
| Henry's law | 4AQ2EGQX05 | statement | open | Wikipedia Henry's law, Wikidata Q285804 |
| Henry's law solubility constants Hs | HDYBV4SNSJ | statement | open | Wikipedia Henry's law#2D6M |
| Henry's law volatility constants Hv | 5HKCEJ2H55 | statement | open | Wikipedia Henry's law#ZULS |
| Henryk Iwaniec | 33J3RF1XFJ | topic | open | Wikipedia List of people by Erdős number#C79Z, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#1DMC, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#5VPB, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#UI2W |
| Henryk Iwaniec | FGGP0A030E | topic | open | Wikipedia Henryk Iwaniec, Wikidata Q370944 |
| Henryk Skolimowski | 5KWCE2PZ5A | topic | open | Wikipedia Henryk Skolimowski, Wikidata Q3493601 |
| Henryk Struve | 1WW56T08CY | topic | open | Wikipedia Henryk Struve, Wikidata Q130387 |
| Henryk Zygalski | B1AWWWCHHR | unknown | open | Wikipedia List of cryptographers#55PK |
| Hensel | BS7AGTZ3KN | definition | open | Wikipedia Glossary of commutative algebra#13BQ |
| Hensel's lemma | 1ZZFZF22E1 | statement | node (a node has the same Wikidata item as the row) | Wikidata Q1424496, MathWorld HenselsLemma, nLab Hensel's lemma, ProofWiki Hensel's_Lemma, Wikipedia Hensel's lemma |
| Hensel's lemma | PBVY4GM7DH | statement | open | Wikipedia List of lemmas#55N8 |
| Hensel's lemma | TD7J5E31B9 | statement | open | Wikipedia P-adic analysis#0HEH |
| Hensel's lemma | V0H2VWJDTA | statement | open | Wikipedia List of lemmas#8FBI |
| Hensel's lemma (for $\mathbb{Z}_p$) | GYMDAK35ZT | unknown | open | mathlib_overview General algebra > Number theory > Hensel's lemma (for $\mathbb{Z}_p$), Mathlib hensels_lemma |
| Hensel's lemma for p-adic numbers | 677M3F6SHE | statement | open | Wikipedia Hensel's lemma#BVZ7 |
| Hensel's lemma, cf.\ | ANYMBA8T1T | 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 2610.01273#TZRH |
| Hensel's lemma, general form | 6Q85GPYZNA | 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 2610.01273#WZDX |
| Henselian | 4JDP7Q5K84 | definition | open | Wikipedia Glossary of commutative algebra#MOS6 |
| Henselian field | AN9CT2X2Y8 | definition | open | Wikipedia Glossary of field theory#IFGV |
| Henselian ring | NX2TQWWB35 | concept | open | Wikidata Q1607573, nLab Henselian ring, Wikipedia Henselian ring |
| Henselisation | YSFZFNAP0G | unknown | open | Wikipedia Henselian ring#N12Y |
| Henselization | 1ZE7SYDAAK | definition | open | Wikipedia Glossary of commutative algebra#LOWA |
| Henson graph | C1VZ02V7CS | definition | open | Wikipedia Henson graph, Wikidata Q25304614 |
| Henson graph | TNSWMJ6Z7K | definition | open | Wikipedia List of unsolved problems in mathematics#WXU8 |
| Henstock–Kurzweil integral | JD29DC7R85 | definition | open | Wikipedia List of integration and measure theory topics#RS0S |
| Henstock–Kurzweil integral | YMTGWB5ZX2 | concept | open | Wikidata Q82029, MathWorld HKIntegral, nLab Henstock integral, Wikipedia Henstock–Kurzweil integral |
| Henyey track | AH14CTFPQ0 | definition | open | Wikipedia Henyey track, Wikidata Q175876 |
| Henyey–Greenstein phase function | 5V4HV6Z5Z2 | unknown | open | Wikipedia List of probability distributions#0D8B |
| HEP4T3FNKC | HEP4T3FNKC | 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 2610.03612#6SUE |
| Heptachotomy | 675HT8ZS3Q | 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 2610.12908#YGCY |
| heptacontagon | KTZ2DZ39VZ | unknown | open | Wikidata Q3133320, MathWorld Heptacontagon |
| Heptacontagon | KV09GM1MG9 | definition | open | Wikipedia List of mathematical shapes#ZMI3, Wikipedia List of polygons, polyhedra and polytopes#NB5O |
| Heptacontagon | XYEFNRBXF8 | definition | open | Wikipedia List of two-dimensional geometric shapes#QL0Z |
| Heptacontapentagon | DERQ9ZYH73 | unknown | open | Wikipedia List of two-dimensional geometric shapes#64LQ |
| heptadecagon | 3HEWP3S137 | definition | open | Wikidata Q542476, MathWorld Heptadecagon, Wikipedia Heptadecagon |
| Heptadecagon | B821B27FJ3 | definition | open | Wikipedia List of mathematical shapes#L39A, Wikipedia List of mathematical shapes#QHCR, Wikipedia List of polygons, polyhedra and polytopes#NEOU |
| Heptadecagon | Z55P7FW5E5 | definition | open | Wikipedia List of two-dimensional geometric shapes#U8A0 |
| heptadecagonal number | 9N8EHSDPSW | object | open | Wikidata Q18454706, OEIS A051869 |
| Heptadecagram | 8BDXFDYRRX | unknown | open | Wikipedia Heptadecagon#VXMR |
| Heptadecahedron | W73ZZ754VG | object | open | Wikipedia Heptadecahedron, Wikidata Q16964023 |
| Heptagon | 2H44J3XX5N | definition | open | Wikipedia List of mathematical shapes#7NMD, Wikipedia List of mathematical shapes#FL44, Wikipedia List of polygons, polyhedra and polytopes#LDSC |
| heptagon | 42KCTS8K3C | definition | open | Wikidata Q188866, MathWorld Heptagon, Wikipedia Heptagon |
| Heptagon/Septagon | YCHSDBJAJ2 | definition | open | Wikipedia List of two-dimensional geometric shapes#F4AM |
| Heptagonal antiprism | CNRY5CGZ38 | definition | open | Wikipedia Heptagonal antiprism, Wikidata Q5732017 |
| heptagonal number | A230ABSPS9 | definition | open | Wikidata Q967999, MathWorld HeptagonalNumber, OEIS A000566, Wikipedia Heptagonal number |
| Heptagonal number | JZSVM3Z5MN | definition | open | Wikipedia List of sums of reciprocals#5V4U |
| Heptagonal prism | PQK8J8MWRA | definition | open | Wikipedia Heptagonal prism, Wikidata Q3753302 |
| heptagonal pyramid | NAEC2J9FPZ | object | open | Wikidata Q18384347, MathWorld HeptagonalPyramid |
| heptagonal pyramidal number | K9C4QNG0Q0 | object | open | Wikidata Q606977, OEIS A002413 |
| Heptagonal tiling | TBC01WHBYZ | object | open | Wikipedia Heptagonal tiling, Wikidata Q5732023 |
| Heptagonal triangle | 5418WE2Z4P | definition | open | Wikidata Q24883336, MathWorld HeptagonalTriangle, Wikipedia Heptagonal triangle |
| Heptagonal triangle | R6NKTX8N2G | definition | open | Wikipedia List of triangle topics#X1HB |
| Heptagram | 9N9YVXZZB1 | definition | open | Wikipedia List of mathematical shapes#6B3D, Wikipedia List of polygons, polyhedra and polytopes#KF1C |
| heptagram | FHHNSNHZ9X | definition | open | Wikidata Q1887094, MathWorld Heptagram, Wikipedia Heptagram |
| Heptagrammic-order heptagonal tiling | Q33WSD1RR1 | definition | open | Wikipedia Heptagrammic-order heptagonal tiling, Wikidata Q17022511 |
| Heptagrammic-order heptagonal tiling | ZV5J3CP55W | definition | open | Wikipedia List of mathematical shapes#LWU2 |
| Heptahectogon | DA12GW0JED | unknown | open | Wikipedia List of two-dimensional geometric shapes#8QYD |
| heptahedron | 28YXHCJP48 | object | open | Wikidata Q1151267, MathWorld Heptahedron, Wikipedia Heptahedron |
| Heptakis heptagonal tiling | HK2P1SG5Q0 | unknown | open | Wikipedia Truncated order-7 triangular tiling#K5EQ |
| heptanacci number | R5XBZS9B2B | object | open | Wikidata Q18450843, OEIS A122189 |
| Heptapolis | QPCZYXZ2NY | unknown | open | Wikipedia List of places with numeric names#X8QB |
| Heptic 8-cube | JVRYCXCS27 | unknown | open | Wikipedia Uniform 8-polytope#SP9W |
| heptomino | FNRV52ME8E | definition | open | Wikidata Q2604489, MathWorld Heptomino, Wikipedia Heptomino |
| HEPTQEY327 | HEPTQEY327 | 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 1911.06467#DAIZ |
| HEQ37B8RC4 | HEQ37B8RC4 | 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 2610.18094#3BX1 |
| Her work on Fermat's Last Theorem | 4ZH9NZPW4J | statement | open | Wikipedia Sophie Germain#RHOS |
| HER80VRE2R | HER80VRE2R | 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 2609.26701#6EIZ |
| Heraclitus | 8K5DPFC0YN | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q41155, nLab Heraclitus |
| Herbal medicine | A2M3JGFV72 | unknown | open | Wikipedia List of common misconceptions about science, technology, and mathematics#14RV |
| Herbert A. David | VFMJQMSCY0 | topic | open | Wikipedia Herbert A. David, Wikidata Q59630332 |
| Herbert A. David | W8RBD17D1B | topic | open | Wikipedia List of fellows of the American Statistical Association#6KKE |
| Herbert A. Hauptman | 9YTZVJ1W93 | unknown | open | Wikipedia List of people by Erdős number#DI1F |
| Herbert A. Simon | EQ38YV83HH | unknown | open | Wikipedia List of people by Erdős number#4A79 |
| Herbert A. Simon Award (IACAP) | 1CC02SNB23 | unknown | open | Wikipedia International Association for Computing and Philosophy#O0F3 |
| Herbert Bristol Dwight | FQQ0CEWDYK | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#ZK2S |
| Herbert Busemann | 1H9BJXX2P4 | topic | open | Wikipedia List of Jewish mathematicians#RDIU |
| Herbert Busemann | 8A9WPSGFMS | topic | open | Wikipedia Herbert Busemann, Wikidata Q214326 |
| Herbert Busemann | KFY8WQFEPW | topic | open | Wikipedia List of people by Erdős number#T7AT |