| Hop-diameter bound | XE1SHGMY2Y | 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 2609.20492#1Q3S |
| Hopcroft's algorithm | VAPB3F5TEJ | definition | open | Wikipedia List of algorithms#NE36 |
| Hopcroft's problem | 88VEQQ70EK | problem | open | Wikipedia Hopcroft's problem, Wikidata Q131394672 |
| Hopcroft–Karp algorithm | 76DBHVH57K | definition | open | Wikipedia List of algorithms#F96Z |
| Hopcroft–Karp algorithm | EK62RBWBQM | definition | open | Wikipedia Hopcroft–Karp algorithm, Wikidata Q1516988 |
| Hopf | NBYT5D4SKM | definition | open | Wikipedia Glossary of algebraic topology#T9TI |
| Hopf algebra | CHRKQ15PPP | concept | open | Wikidata Q1627597, EoM Hopf_algebra, MathWorld HopfAlgebra, nLab Hopf algebra, Wikipedia Hopf algebra |
| Hopf algebra | VE9E5VVJ7Z | definition | open | Wikipedia List of algebras#32OB, Wikipedia List of mathematical topics in quantum theory#8Z53 |
| Hopf algebra of motivic cotangent differences | DMV5XNYSJB | 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 2610.04214#9RLY |
| Hopf algebra of permutations | QB1VCFK5VZ | definition | open | Wikipedia Hopf algebra of permutations, Wikidata Q17027553 |
| Hopf algebroid | QRFB2PPQTX | concept | open | Wikidata Q18207846, nLab Hopf algebroid, Wikipedia Hopf algebroid |
| Hopf algebroid corepresenting stack of formal group laws | TFTS72TWRW | statement | open | Wikipedia Hopf algebroid#LVED |
| Hopf bifurcation | 5FX42WG7C8 | concept | open | Wikidata Q531126, MathWorld HopfBifurcation, Wikipedia Hopf bifurcation |
| Hopf conjecture | ARBW7KYHGJ | conjecture | open | Wikipedia List of unsolved problems in mathematics#RUHP |
| Hopf conjectures | Z8WK3DENXE | conjecture | open | Wikipedia Hopf conjectures, Wikidata Q5900498 |
| Hopf construction | Z31E7HKTRX | concept | open | Wikidata Q18350004, nLab Hopf construction, Wikipedia Hopf construction |
| Hopf coordinates | ZXKCNMB5NC | unknown | open | Wikipedia 3-sphere#7HC4 |
| Hopf decomposition | 257T8AKQS4 | definition | open | Wikipedia Hopf decomposition, Wikidata Q30098176 |
| Hopf fibration | 12JGG4XKJF | concept | open | Wikidata Q1627604, MathWorld HopfMap, nLab Hopf fibration, Wikipedia Hopf fibration |
| Hopf Fibration | XJ5HTKC4KD | statement | open | hott_book homotopy.tex#thm:hopf-fibration |
| Hopf fibration | Z5TCH94R2B | concept | open | hott_book index/7.5.3/hopf-fibration |
| Hopf invariant | CT17G4JGWJ | definition | open | Wikidata Q5900509, nLab Hopf invariant, Wikipedia Hopf invariant |
| Hopf lemma | 1BRA59Q4R1 | statement | open | Wikipedia List of lemmas#94WH |
| Hopf lemma | JQZ4REQH5R | statement | open | Wikipedia Hopf lemma, Wikidata Q17027555 |
| Hopf link | 701HW6Q0SY | definition | open | Wikipedia List of knot theory topics#2SJU |
| Hopf link | BR08PCHTN9 | concept | open | Wikidata Q864313, MathWorld HopfLink, nLab Hopf link, Wikipedia Hopf link |
| Hopf link | RTSX0VPDFJ | 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 2610.18803#SC5G |
| Hopf link | TSBG12AEMX | definition | open | Wikipedia List of mathematical knots and links#B6RN |
| Hopf manifold | BFT1DGDX8M | definition | open | Wikipedia Hopf manifold, Wikidata Q5900503 |
| Hopf maximum principle | 6WFCX3F2Q1 | statement | open | Wikipedia Hopf maximum principle, Wikidata Q5900506 |
| Hopf order | 2FC1D4Q6KT | unknown | open | Wikipedia Hopf algebra#HS1N |
| Hopf smash product | RKEC12DTC4 | unknown | open | Wikipedia Group Hopf algebra#2WDV |
| Hopf surface | 5EMA0VMG4S | 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 2609.23469#H43L |
| Hopf surface | 65FZN6DGQ8 | definition | open | Wikipedia Hopf surface, Wikidata Q5900512 |
| Hopf theorem | MSNBH8YG2C | statement | open | Wikipedia Hopf theorem, Wikidata Q12012849 |
| Hopf theorem | SQM6RMK5MD | statement | open | Wikipedia List of theorems#ZIKA |
| Hopf-balanced compact domains | E7D61132DR | 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 2610.19837#6N3K |
| Hopfian group | V3AZ1N5NPG | definition | open | Wikipedia Hopfian group, Wikidata Q5900529 |
| Hopfian object | 3X6MTBVAMK | definition | open | Wikipedia Hopfian object, Wikidata Q5900526 |
| Hopfield network | FY7JST1QF0 | definition | open | Wikipedia Hopfield network, Wikidata Q1407668 |
| Hopfield Network | MEHAZGCEG6 | definition | open | Wikipedia Unsupervised learning#A8TP |
| Hopfion | A8XBPJSYWN | definition | open | Wikipedia Hopfion, Wikidata Q106707223 |
| Hopf–Rinow theorem | BC0GG0ZW4A | statement | open | Wikipedia Riemannian manifold#QI6O |
| Hopf–Rinow theorem | CCMK0Y6HE9 | statement | open | mathlib_1000 Q2094241, Wikidata Q2094241, thousand_plus Q2094241, Wikipedia Hopf–Rinow theorem, EoM Hopf-Rinow_theorem, MathWorld Hopf-RinowTheorem |
| Hopf–Rinow theorem | D1SWA6G62H | statement | open | Wikipedia List of theorems#YNB9 |
| Hopf–Rinow theorem | E7S748ADM9 | statement | open | Wikipedia List of differential geometry topics#3SD4 |
| Hopf–Rinow theorem | NRPBXY7P32 | statement | open | Wikipedia Complete manifold#NP8G |
| Hopf–Rinow theorem | V12825FZVZ | statement | open | Wikipedia Riemannian manifold#4FYH |
| Hopf–Whitney theorem | 60NGK5DAYC | statement | open | Wikipedia Hopf–Whitney theorem, Wikidata Q97166118 |
| Hopkins statistic | RMH4W11P6P | definition | open | Wikipedia Hopkins statistic, Wikidata Q30715527 |
| Hopkins' formula | N3RM6A3KV7 | statement | open | Wikipedia Van Cittert–Zernike theorem#YUQB |
| Hopkins–Levitzki theorem | 4PHEPQTTB8 | statement | open | Wikipedia Hopkins–Levitzki theorem, Wikidata Q17027556 |
| Hopkins–Levitzki theorem | HG1FWYMN9N | statement | open | Wikipedia List of abstract algebra topics#GB8S |
| Hoppean | WGEBX8HXRW | unknown | open | Wikipedia Hans-Hermann Hoppe#V77V |
| Hopping truncation error | 642W9NVAWF | 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 2610.01669#3QZD |
| Horace Clifford Levinson | SB9PSTBFCG | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#RBNS |
| Horace Hahn | 95BZFENDM7 | unknown | open | Wikipedia List of University of California, Los Angeles people#RL30 |
| Horace Lamb | J6P0PWMXJM | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q1627897, ProofWiki Mathematician:Horace_Lamb, Wikipedia Horace Lamb |
| Horace Lamb | Z2VW4GJAF7 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#QS98, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#RFUV |
| Horace Secrist | GGWSDKVQ6P | unknown | open | Wikipedia List of fellows of the American Statistical Association#Z16X |
| Horadam | QM00P6R0S6 | 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 2501.17850#KU34 |
| Horatio Pollock | HWZT5C7HFN | topic | open | Wikipedia Horatio Pollock, Wikidata Q18912205 |
| Horatio Pollock | KEB1G5XA9Q | topic | open | Wikipedia List of fellows of the American Statistical Association#9T1C |
| Horatio Scott Carslaw | 9DB53MMBMF | topic | open | Wikipedia Horatio Scott Carslaw, Wikidata Q1627989 |
| Horațiu Năstase | 504TW5SMGE | unknown | open | Wikipedia List of string theory topics#77MC |
| Horațiu Năstase | G4MQFZA2AM | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q5902878, nLab Horatiu Nastase |
| Horikawa surface | 38FV0D0C5P | definition | open | Wikipedia Horikawa surface, Wikidata Q5903240 |
| Horikawa surface | 3WY6N82MP3 | definition | open | Wikipedia List of complex and algebraic surfaces#61I5 |
| Horizon bias and model-based planning | S6YDT222BA | 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 2610.14988#3XYF |
| Horizon bias and planning depth | 137G69A20J | 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 2610.14988#T94T |
| Horizon chart | XR4B6XGME0 | definition | open | Wikipedia Horizon chart, Wikidata Q120436083 |
| Horizon problem | 7XY7NYFW54 | problem | open | Wikipedia Horizon problem, Wikidata Q590581 |
| Horizon problem | WXXRMTCZSA | problem | open | Wikipedia List of mathematical topics in relativity#0Z5L |
| Horizon-optimal flattening | YDRZ78C8XN | 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 2609.27765#JE42 |
| horizontal and $x_i$-based strategy | P5KEHK5G09 | 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 2312.01517#DZS5 |
| Horizontal and isotropic trace leaves | AMJMAPBA3F | 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 2609.26269#RBSB |
| Horizontal asymptote | 9E1SSJR8J2 | unknown | open | Wikipedia Asymptote#0R0Z |
| horizontal bundle | 8WANMF62QP | definition | open | Wikidata Q5903551, ProofWiki Definition:Horizontal_Tangent_Space |
| Horizontal composition | BR8CKR14FK | unknown | open | Wikipedia Natural transformation#Z20L |
| horizontal composition | J1XS9KEMEN | definition | open | Wikipedia Glossary of category theory#PW0F |
| horizontal composition, of natural transformations | 6WB6CJ5G0R | concept | open | hott_book index/2.2/horizontal-composition-of-natural-transformations |
| Horizontal conformality for $m=3$ | 5Z0VGTMXW2 | 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 2610.13214#ZXOY |
| Horizontal coordinate system | ZNNKE3MMSZ | definition | open | Wikipedia Horizontal coordinate system, Wikidata Q625696 |
| Horizontal datum | VA0XQQBH4D | unknown | open | Wikipedia Geodetic datum#Y1QO |
| Horizontal derivatives of the shifts | 9BKMS67C77 | 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 2609.32829#KZ0Z |
| Horizontal lift | 4W0KRY6C7M | unknown | open | Wikipedia Ehresmann connection#JK3C |
| Horizontal line test | 7ABH8HR6DF | definition | open | Wikipedia Horizontal line test, Wikidata Q985704 |
| horizontal orientation | ZAMNW7QDJR | unknown | open | Wikidata Q20749305, MathWorld Horizontal |
| Horizontal quotient | NAQBKMEH5Z | 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 2609.20513#51NI |
| Horizontal zonoid retained by every stage | RD6X0TEB1P | 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 2609.38228#U9PJ |
| hormonal | 5JF5Y3BJEX | unknown | open | Wikipedia List of common misconceptions about science, technology, and mathematics#9DR8 |
| horn | NCC9Z18575 | definition | open | Wikipedia Glossary of logic#Z428 |
| Horn angle | SX3JQD3DPW | concept | open | Wikidata Q5903975, MathWorld HornAngle, Wikipedia Horn angle |
| Horn clause | 8NA0EB88NX | definition | open | Wikipedia List of undecidable problems#3HUS |
| Horn clause | C4S1M5F94K | definition | open | Wikidata Q933932, EoM Quasi-identity, MathWorld HornClause, Wikipedia Horn clause |
| Horn decomposition | 7ARPAMD1JS | 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 2609.31189#8A20 |
| Horn function | 8TXEEWMQDV | definition | open | Wikidata Q17027577, MathWorld HornFunction, Wikipedia Horn function |
| Horn, Susan | AZQZ66566H | unknown | open | Wikipedia List of statisticians#EZLQ |
| Horn-satisfiability | TBVWMY96M5 | definition | open | Wikipedia Horn-satisfiability, Wikidata Q1239194 |
| Horndeski's theory | 7MB6C2K6MJ | definition | open | Wikipedia Horndeski's theory, Wikidata Q48998302 |