| Harriet Griffin | FXKN4T1WNY | topic | open | Wikipedia Harriet Griffin, Wikidata Q102187339 |
| Harriet Padberg | JNWQ081A02 | topic | open | Wikipedia Harriet Padberg, Wikidata Q94410901 |
| Harriet Pollatsek | 1GZ30D28DS | topic | open | Wikipedia Harriet Pollatsek, Wikidata Q16106050 |
| Harriet Pollatsek | MB4ZNPDN2H | topic | open | Wikipedia List of Jewish mathematicians#WHDE |
| Harriet Pollatsek | X72ADSSTZH | topic | open | Wikipedia List of people by Erdős number#MXN9 |
| Harriet Redfield Cobb | 3ZN66QA3Q1 | topic | open | Wikipedia Harriet Redfield Cobb, Wikidata Q108867613 |
| Harrington’s lemma | BFXZ4GWS87 | 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 2610.11002#HQ2B |
| Harris chain | 4QFDK8MH45 | definition | open | Wikipedia Harris chain, Wikidata Q1586179 |
| Harris chain | GGRRWM8SK9 | definition | open | Wikipedia List of statistics articles#TIVV |
| Harris graph | D14C27C0WN | definition | open | Wikipedia Harris graph, Wikidata Q130970927 |
| Harris Hancock | 8J74YDG8QA | topic | open | Wikipedia Harris Hancock, Wikidata Q18911290 |
| Harris Hancock | DXA7PMJB3Q | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#ZED1 |
| Harris Insights & Analytics | 23QNAJX58Z | unknown | open | Wikipedia List of polling organizations#0K3S, Wikipedia List of polling organizations#PR9E |
| Harris's inequality | 2ZEK01SBCQ | 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 2609.38772#AJCA |
| Harris, Ted | CBGGT8PJQ1 | topic | open | Wikipedia List of statisticians#AXIR |
| Harris-Kleitman inequality | JF13H02AQ7 | unknown | open | mathlib_overview Combinatorics > Set families > Harris-Kleitman inequality, Mathlib IsLowerSet.le_card_inter_finset |
| Harrison G. Gough | TAA8EK309Y | topic | open | Wikipedia Harrison G. Gough, Wikidata Q20273522 |
| Harrison set | GMVXV8ZGWG | unknown | open | Wikipedia Ordered field#OWQO |
| Harrison Wadsworth Jr. | SPWF71B66R | unknown | open | Wikipedia List of fellows of the American Statistical Association#I0PT |
| Harrison-Trainor | 9K6FXRDQ8C | 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 2610.05611#OVHF |
| Harrison-Trainor | E2QTG5QZF7 | 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 2610.05611#XQ9P |
| Harris–Benedict equation | Z9ZR0QCFE7 | definition | open | Wikipedia Harris–Benedict equation, Wikidata Q5664730 |
| Harro Heuser | 4N7Z4GQV84 | topic | open | Wikipedia Harro Heuser, Wikidata Q96666 |
| Harrop formula | DE4EK3ZKQQ | statement | open | Wikipedia Harrop formula, Wikidata Q5666472 |
| Harry A. Marmer | 8SGG1Q1308 | topic | open | Wikipedia Harry A. Marmer, Wikidata Q23303213 |
| Harry Alpert | 5J98XE8651 | unknown | open | Wikipedia List of fellows of the American Statistical Association#H40H |
| Harry Bateman | SDZF0VW7S4 | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#7DXQ, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#O1TP |
| Harry Buhrman | 4R915AXP9P | unknown | open | Wikipedia List of people by Erdős number#7NSS |
| Harry C. Carver | EFE8YG5SD7 | topic | open | Wikipedia List of fellows of the American Statistical Association#ZDS0 |
| Harry C. Carver | N4HMY8V7XW | topic | open | Wikipedia Harry C. Carver, Wikidata Q5667695 |
| Harry Campion | D1BJNVBE59 | unknown | open | Wikipedia List of fellows of the American Statistical Association#HMI6 |
| Harry Clinton Gossard | KE0TB8WQBD | unknown | open | Wikipedia List of geometers#8Z0M |
| Harry Coonce | 3YJ9H4G4X7 | topic | open | Wikipedia Harry Coonce, Wikidata Q11099210 |
| Harry Dym | SJM1N4PEG6 | unknown | open | Wikipedia List of Jewish mathematicians#S66D |
| Harry Furstenberg | KPTFSM3VGP | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#TVFS |
| Harry Golombek | 5WM6QJD39V | topic | open | Wikipedia Harry Golombek, Wikidata Q540443 |
| Harry Harman | 811AWFWYWB | topic | open | Wikipedia Harry Harman, Wikidata Q59630011 |
| Harry J. Khamis | 5HMVM0MY49 | topic | open | Wikipedia Harry J. Khamis, Wikidata Q121752547 |
| Harry J. Khamis | QSK6WPS9RF | topic | open | Wikipedia List of fellows of the American Statistical Association#V4BL |
| Harry Kesten | 1GCD6RTD2Z | topic | open | Wikipedia List of mathematical probabilists#1KI6 |
| Harry Kesten | 36GRM0BNMY | topic | open | Wikipedia Harry Kesten, Wikidata Q635373 |
| Harry Kesten | H0FVD22H3D | topic | open | Wikipedia List of people by Erdős number#RWU9, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#0RUU, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#7BHJ, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#US4B |
| Harry Kesten | MX03ZJQKZ5 | topic | open | Wikipedia List of Jewish mathematicians#923A |
| Harry Lehmann | Z2D1NTCG0Q | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q71575, nLab Harry Lehmann |
| Harry Levy | HBZJ4AES6E | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#CUXZ |
| Harry Markowitz | XKNB8SNA4P | unknown | open | Wikipedia List of people by Erdős number#W9KL |
| Harry Pitt | AHKTWYEYZA | topic | open | Wikipedia Harry Pitt, Wikidata Q3300281 |
| Harry Pollard | 20G8Y75KXQ | topic | open | Wikipedia List of people by Erdős number#M4QK |
| Harry Pollard | EARHP5NSCA | topic | open | Wikipedia Harry Pollard (mathematician), Wikidata Q5671620 |
| Harry Potter and the Methods of Rationality | MP74FAM8B0 | definition | open | Wikipedia Harry Potter and the Methods of Rationality, Wikidata Q22162553 |
| Harry Pregerson | EXEZWBXM0S | unknown | open | Wikipedia List of University of California, Los Angeles people#2EES |
| Harry R. Lewis | Q2WTC7TX35 | unknown | open | Wikipedia List of people by Erdős number#CITT |
| Harry Rauch | MKWRCWZT30 | topic | open | Wikipedia Harry Rauch, Wikidata Q1586709 |
| Harry Reuter | AWMTXS6TVW | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q1586720, ProofWiki Proof:Gerd_Edzard_Harry_Reuter |
| Harry Schmidt | 4Z8AAG11Q9 | topic | open | Wikipedia Harry Schmidt (mathematician), Wikidata Q1586769 |
| Harry Schmidt | 58WCG2HP61 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#62H5 |
| Harry Schultz Vandiver | VYZMF3G12H | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#9TVV |
| Harry Trotter | J1SQYZV9S1 | unknown | open | Wikipedia List of University of California, Los Angeles people#4UL5 |
| Harry Turtledove | GNTCRTRD6M | unknown | open | Wikipedia List of University of California, Los Angeles people#GK2Q |
| Harry V. Roberts | 9RNX6CV6PC | unknown | open | Wikipedia List of fellows of the American Statistical Association#N26L |
| Harry Vandiver | RY55Q1G750 | unknown | open | Wikipedia List of people by Erdős number#LXY3 |
| Harry Yandell Benedict | XVC25M5NS0 | topic | open | Wikipedia Harry Yandell Benedict, Wikidata Q62071279 |
| Harsanyi dividend | CGYY0N0EFW | unknown | open | Wikipedia Cooperative game theory#IVC5 |
| Harsanyi's theorem | 949MP4Z68Y | statement | open | Wikipedia Social choice theory#LZJ7 |
| Harsanyi's theorem | FPG66YSDD1 | statement | open | Wikipedia Social welfare function#KMZJ |
| Harsanyi's utilitarian theorem | 3238WW8GR4 | statement | open | Wikipedia Harsanyi's utilitarian theorem, Wikidata Q131531232 |
| Harshad number | K7F267N927 | definition | open | Wikipedia List of recreational number theory topics#LOQ1 |
| harshad number | KR2T0GCH18 | definition | open | Wikidata Q375355, MathWorld HarshadNumber, Wikipedia Harshad number |
| Hart circle | AWTJ9W8AMR | definition | open | Wikidata Q111913746, MathWorld HartCircle, Wikipedia Hart circle |
| Hart F. Smith | Z3GWFEQNSY | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#KXZX |
| Hart's inversor | 7YDD65DBKG | concept | open | Wikidata Q16983650, MathWorld HartsInversor |
| Hart's Theorem | CPK1ZK40BT | statement | open | Wikipedia Andrew Searle Hart#P50F |
| Harter, Rachel M. | QDYTMQBP5Q | topic | open | Wikipedia List of statisticians#1JEN |
| Hartland Four Corners, Vermont | M4DXRC3AFH | unknown | open | Wikipedia List of places with numeric names#WSMN |
| Hartland Snyder | ZVEHWDPQN4 | unknown | open | Wikipedia List of contributors to general relativity#YFD3 |
| Hartley function | 3K21Y9XWCD | definition | open | Wikipedia Hartley function, Wikidata Q3055336 |
| Hartley Rogers Jr. | Y9DB58TQ0Q | topic | open | Wikipedia Hartley Rogers Jr., Wikidata Q5674941 |
| Hartley transform | FYXGS1M0FY | definition | open | Wikipedia List of transforms#YLGA, Wikipedia List of Fourier-related transforms#838V |
| Hartley transform | W4YVR66N75 | definition | open | Wikipedia Hartley transform, Wikidata Q1567607 |
| Hartley's law | R0HTNX6A76 | statement | open | Wikipedia Shannon–Hartley theorem#SRRB |
| Hartley's test | G58Z52E71T | definition | open | Wikipedia Hartley's test, Wikidata Q3985054 |
| Hartley's test | KEGKWGB6Q3 | definition | open | Wikipedia List of statistics articles#SI6N |
| Hartley, Herman Otto | BNTTQKTBQN | topic | open | Wikipedia List of statisticians#U5MX |
| Hartle–Hawking proposal | B75M58AB2G | definition | open | Wikipedia Hartle–Hawking proposal, Wikidata Q958793 |
| Hartman effect | 8EPD1E1FPT | unknown | open | Wikipedia List of paradoxes#9DBM |
| Hartmanis–Stearns conjecture | FSMH4CF0HT | conjecture | open | Wikipedia Hartmanis–Stearns conjecture, Wikidata Q135650206 |
| Hartmanis–Stearns conjecture | GCV1H3331A | conjecture | open | Wikipedia List of unsolved problems in computer science#JVPL, Wikipedia List of unsolved problems in mathematics#UZBG |
| Hartmann number | ZHCQHKKYKZ | definition | open | Wikipedia Hartmann number, Wikidata Q1587280 |
| Hartman–Grobman theorem | BB348AR78K | statement | open | Wikipedia List of theorems#HJ81 |
| Hartman–Grobman theorem | MABB0816E0 | statement | node (a node has the same name as the row) | mathlib_1000 Q211981, Wikidata Q211981, thousand_plus Q211981, Wikipedia Hartman–Grobman theorem |
| Hartman–Watson distribution | C8QNJ3NJA3 | unknown | open | Wikipedia List of probability distributions#A92K |
| Hartmut Jürgens | C4S6V8WRW2 | topic | open | Wikipedia Hartmut Jürgens, Wikidata Q5675071 |
| Hartogs | 1Z6722WVVV | definition | open | Wikipedia Glossary of set theory#RW2L |
| Hartogs | 5RGP2PQ31S | definition | open | Wikipedia Glossary of real and complex analysis#2AIK |
| Hartogs extension from a boundary neighborhood | YG26Y1K7JR | 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 2610.12497#UEM0 |
| Hartogs number | MS1AABYPY3 | definition | open | Wikidata Q1186007, nLab Hartogs number, ProofWiki Definition:Hartogs_Number, Wikipedia Hartogs number |
| Hartogs phenomenon | ARFFY5ZFHM | statement | open | lebl_scv scv.tex#thm-17 |
| Hartogs phenomenon | W6VG47BBZB | concept | open | lebl_scv index/4.3/hartogs-phenomenon |
| Hartogs' Compactness Theorem | FPXJE4WX41 | 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 2609.21528#JP9H |
| Hartogs's extension theorem | 5MK1H62N1P | statement | open | mathlib_1000 Q383238, Wikidata Q383238, thousand_plus Q383238, Wikipedia Hartogs's extension theorem |