| open, problem | SN0ZTYB1EK | concept | open | hott_book index/B.6/open-problem |
| open, problem | VWYBTMJACN | concept | open | hott_book index/4.4/open-problem |
| open, problem | ZQP9PE0BTS | concept | open | hott_book index/1.15/open-problem |
| open, relation | 2WCKNQ66W8 | concept | open | hott_book index/B.3.2/open-relation |
| Open-access poll | G7FYVJ6FKH | definition | open | Wikipedia Open-access poll, Wikidata Q7096311 |
| Open-label trial | 9TCNEYEN3P | definition | open | Wikipedia Open-label trial, Wikidata Q3813242 |
| Open-label trial | Y6JDY7EQCW | definition | open | Wikipedia List of statistics articles#I3KV |
| Open-local submersion descent | JCQ4G6X7EQ | 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 2609.28220#YCD3 |
| Open-loop model | VJAQ8CSP31 | definition | open | Wikipedia Open-loop model, Wikidata Q7095707 |
| Open-question argument | V6DMCG2MKE | definition | open | Wikipedia Open-question argument, Wikidata Q7095717 |
| Open-shop scheduling | YZHJA8WV9D | unknown | open | Wikipedia List of NP-complete problems#TV9O |
| OpenAI 2026+, weak inhomogeneous Duffin--Schaeffer conjecture | V4EMC4R321 | 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 2610.15809#YPSK |
| OpenBLAS | B3C6MYZAB3 | unknown | open | Wikipedia List of open-source software for mathematics#TTYX |
| OpenBSD Cryptographic Framework | FGY2YM6EYB | definition | open | Wikipedia OpenBSD Cryptographic Framework, Wikidata Q7095738 |
| OpenBUGS | BKNP3D9D6R | definition | open | Wikipedia List of statistics articles#3S24 |
| OpenBUGS | JH5BDCRGGD | definition | open | Wikipedia List of statistical software#OGRI |
| OpenBUGS | K2WH1E5P0X | definition | open | Wikipedia OpenBUGS, Wikidata Q7095741 |
| OpenEpi | 154F13K9TR | definition | open | Wikipedia List of statistics articles#J56X |
| OpenEpi | 7JNBH99FKP | definition | open | Wikipedia OpenEpi, Wikidata Q7095785 |
| OpenEpi | ZZRQDC2N7D | definition | open | Wikipedia List of statistical software#Z5E9 |
| OpenFOAM | 301R9ADANN | unknown | open | Wikipedia List of open-source software for mathematics#6CX2 |
| OpenIntro Statistics | TKYVNEZA2T | definition | open | Wikipedia OpenIntro Statistics, Wikidata Q16977994 |
| OpenMath | MHYEA99NQ8 | definition | open | Wikipedia OpenMath, Wikidata Q1465300 |
| OpenModelica | EC8WHG7XVQ | unknown | open | Wikipedia List of open-source software for mathematics#CY0R |
| OpenMx | BQGJMSKKY7 | definition | open | Wikipedia OpenMx, Wikidata Q7095834 |
| OpenMx | YZFM1QR37Q | definition | open | Wikipedia List of statistical software#FQ1P |
| Openness under deformation | VS30Y877SX | 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 2609.23469#EMGO |
| OpenNN | 32SC6F2D29 | unknown | open | Wikipedia List of statistical software#YZR4 |
| OpenPGP card | TZ15RHSWCW | definition | open | Wikipedia OpenPGP card, Wikidata Q7095843 |
| OpenSSH | SA2X4BXNJT | definition | open | Wikipedia OpenSSH, Wikidata Q847062 |
| OpenSSL | VMV14F8WW1 | definition | open | Wikipedia OpenSSL, Wikidata Q1052790 |
| OpenSSL exception | DFJBE2ES5A | unknown | open | Wikipedia OpenSSL#JE7R |
| OpenVPN | K348V75QDD | definition | open | Wikipedia OpenVPN, Wikidata Q509075 |
| Oper | RQEKZEREV6 | definition | open | Wikipedia Oper (mathematics), Wikidata Q115517529 |
| operad | 7PHP94RSTE | definition | open | Wikipedia Glossary of algebraic topology#VI96 |
| operad | N9GTHJHKKZ | definition | open | Wikidata Q842072, MathWorld Operad, nLab operad, Wikipedia Operad |
| operad | RM2PQ81Q3B | concept | open | hott_book index/1.1/operad |
| Operad theory | YNF3S0FCEM | definition | open | Wikipedia Glossary of areas of mathematics#AU4Z |
| operand | 5ZQYXNMM4N | definition | open | Wikidata Q719375, MathWorld Operand, Wikipedia Operand |
| Operating principle | TJMP03ZYC2 | statement | open | Wikipedia Lorenz cipher#FMT5 |
| Operating system | QN7MXM1GHP | unknown | open | Wikipedia List of types of systems theory#SBQF |
| Operation principle | 7SGEPVH2NJ | statement | open | Wikipedia Anamorphic stretch transform#ECSB |
| Operation research | 7VEJTFVDY4 | definition | open | Wikipedia Glossary of areas of mathematics#N3AL |
| Operation Rubicon | 466TBR6C14 | definition | open | Wikipedia Operation Rubicon, Wikidata Q84987398 |
| Operation Weeting | XMQKD0FK3Y | unknown | open | Wikipedia List of people arrested in the News International phone-hacking scandal#QHXK |
| operation, binary | TNKSDWYZZ5 | concept | open | applied_combinatorics index/B.7.1/operation-binary |
| Operational analytical processing | SP6THRD6ET | definition | open | Wikipedia Operational analytical processing, Wikidata Q85790991 |
| operational calculus | 29VDRPS5SX | concept | open | Wikidata Q1162633, MathWorld HeavisideCalculus, Wikipedia Operational calculus |
| Operational Chow ring | 71BXQEE2MT | unknown | open | Wikipedia Bivariant theory#ZE2Y |
| Operational confound | 92HDHYWYY7 | definition | open | Wikipedia List of statistics articles#U3OX |
| operational semantics | GKBVPKTCA6 | definition | open | Wikidata Q1930895, nLab operational semantics, Wikipedia Operational semantics |
| Operational sex ratio | 8GBZT8G6PT | definition | open | Wikipedia Operational sex ratio, Wikidata Q3480868 |
| Operational sex ratio | FFAKCF99J5 | definition | open | Wikipedia List of statistics articles#E8HN |
| Operationalization | SYY2WK3NK2 | definition | open | Wikipedia Operationalization, Wikidata Q286017 |
| operations | Q9573V90SH | concept | open | applied_combinatorics index/4.2.3/operations |
| Operations on distributions | SSW5VGN4E4 | unknown | open | Wikipedia Distribution (mathematical analysis)#1YG1 |
| Operations on hyperfunctions | WAYQYTX5CT | unknown | open | Wikipedia Hyperfunction#PPHV |
| Operations on pointed spaces | XX1FFG6S3Y | unknown | open | Wikipedia Pointed space#Z79L |
| Operations on power series | 9VG7JREDY8 | unknown | open | Wikipedia Power series#00RR |
| Operations research | D3AVWNQ6CS | topic | open | Wikipedia List of statistics articles#LI7F |
| operations research | E54HT3Z1AT | topic | open | Wikidata Q194292, MathWorld OperationsResearch, ProofWiki Definition:Operations_Research, Wikipedia Operations research |
| Operations research | VKDZTDSZ09 | topic | open | Wikipedia List of fields of application of statistics#NTMZ |
| Operations Support Branch | XKR1X34JFA | definition | open | Wikipedia Operations Support Branch, Wikidata Q112838058 |
| operator | HXQDX4PSW6 | definition | open | Wikidata Q131030, MathWorld Operator, Wikipedia Operator (mathematics) |
| operator | Z78GKV5VN8 | concept | open | lebl_diffyqs index/2.1.2/operator |
| operator algebra | FX49PNKK2M | topic | open | Wikidata Q1892554, nLab operator algebra, Wikipedia Operator algebra |
| Operator bound for constitutive flux | P1R2VKY7TW | 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 2610.11034#UKP7 |
| Operator bounds | C5HXTN77KX | 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 2609.29712#542A |
| Operator characterization of the Ward regime | SNTB8DCRTP | 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 2610.20593#MMN8 |
| Operator energy of one round | 6D1ZW3Q4DX | 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 2610.12641#MC4W |
| Operator ideal | AE2PNBT7SZ | definition | open | Wikipedia Operator ideal, Wikidata Q25304193 |
| operator K-theory | 7R69K4MMD3 | definition | open | Wikidata Q7097836, nLab operator K-theory, Wikipedia Operator K-theory |
| Operator K-theory | K8MNY6RS22 | definition | open | Wikipedia Glossary of areas of mathematics#JYQA |
| Operator monotone function | AVDSGD5Z31 | definition | open | Wikipedia Operator monotone function, Wikidata Q55627738 |
| Operator networks with functional-calculus layers | 8NV1ER04H8 | 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 2610.20106#HTF6 |
| operator norm | XQ2YBSPVWW | definition | node (a node has the same name as the row) | Wikidata Q980557, MathWorld OperatorNorm, Wikipedia Operator norm |
| Operator norm of the Gram matrix | EDEYCBS3MV | 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 2610.00453#AN0W |
| Operator norm of the residual | AZWRPRN5YA | 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 2610.17717#BGFR |
| Operator product algebra | S2H4B4P5T3 | unknown | open | Wikipedia Operator product expansion#12BP |
| operator product expansion | DTVFYH98B8 | definition | open | Wikidata Q3883909, nLab operator product expansion, Wikipedia Operator product expansion |
| Operator realization | DCZMK3V93Q | 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 2610.04398#N7XV |
| operator space | VQSD4VB873 | definition | open | Wikidata Q7097841, Wikipedia Operator space |
| Operator span seminorm | ESF6E3VB6T | 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 2610.14988#14QJ |
| Operator span seminorm | QENR95DQMF | 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#A5NE |
| Operator system | 3GJD3X7FEW | definition | open | Wikipedia Operator system, Wikidata Q7097842 |
| operator theory | 95DXJF280J | definition | open | Wikidata Q1198874, MathWorld OperatorTheory, ProofWiki Definition:Operator_Theory, Wikipedia Operator theory |
| Operator theory | P4VR2C6PFG | definition | open | Wikipedia Glossary of areas of mathematics#WYJZ |
| Operator topologies | 6RW27BHFKF | definition | open | Wikipedia List of topologies#HWZD, Wikipedia List of topologies#SOEE |
| operator topology | 9N8SMRT5JG | definition | open | Wikidata Q2026614, EoM Operator_topology, nLab operator topology, Wikipedia Operator topologies |
| Operator version of Taylor's theorem | 6P7YKRG86Y | statement | open | Wikipedia Infinitesimal transformation#LFZV |
| operator, advancement | 5WP5CBFHET | concept | open | applied_combinatorics index/9.3/operator-advancement |
| operator, linear | 8A9HSK8VFM | concept | open | lebl_ra index/11.1.3/operator-linear |
| operator, linear | XMZT767JDA | concept | open | applied_combinatorics index/9.5/operator-linear |
| Operator-norm ball | BF0GYX5TP0 | 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 2610.06653#TPBR |
| Operator-norm tails in linear dimension | TSAX582Y45 | 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 2610.09206#D9A3 |
| Operator-product bound | RVQ5MMG3GY | 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 2609.23098#2H43 |
| operator-valued disc-algebra norm gaps | D52FSH480T | 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 2609.27458#VKL4 |
| Operators and group law | T714KQQDJZ | statement | open | Wikipedia Theta representation#NSBK |
| Operators and theorems | EVZKSGAWCC | statement | open | Wikipedia Vector calculus#Q5WC |
| Operators with bounded $H^\infty$-functional calclulus | C84PJ4VQJ6 | 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 2609.26382#T93R |