| Albertson index | NJ1FH38Y1W | definition | open | Wikipedia Albertson index, Wikidata Q136483532 |
| Albertus Cornelis Tuijnman | 5T80CNR4QV | topic | open | Wikipedia Albertus Cornelis Tuijnman, Wikidata Q137756796 |
| Albert–Brauer–Hasse–Noether theorem | AXEW9F41EH | statement | open | Wikipedia List of theorems#X384 |
| Albert–Brauer–Hasse–Noether theorem | K0XMW5XP7D | statement | open | mathlib_1000 Q4712316, Wikidata Q4712316, thousand_plus Q4712316, Wikipedia Albert–Brauer–Hasse–Noether theorem |
| Albert–Brauer–Hasse–Noether theorem | S6368AVDZY | statement | open | Wikipedia Hasse principle#IMRX |
| Albin Herzog | VZM18SX0HS | topic | open | Wikipedia Albin Herzog, Wikidata Q37733307 |
| Albrecht Beutelspacher | 331YGGZPAX | topic | open | Wikipedia Albrecht Beutelspacher, Wikidata Q91384 |
| Albrecht Beutelspacher | ZKVHNMKYMS | topic | open | Wikipedia List of people by Erdős number#D49Q |
| Albrecht Böttcher | 36E2QJWJ6Y | topic | open | Wikipedia Albrecht Böttcher, Wikidata Q106719 |
| Albrecht Dold | 6MZD3VNEHQ | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q109854, nLab Albrecht Dold, Wikipedia Albrecht Dold |
| Albrecht Dold | 870Z804X69 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#Z8P3 |
| Albrecht Dürer | 6YY0H8ZTZP | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q5580, ProofWiki Mathematician:Albrecht_Dürer |
| Albrecht Dürer | 9MN42DDBKE | unknown | open | Wikipedia List of German mathematicians#LQU8 |
| Albrecht Dürer's magic square | XXWKNWCEHC | definition | open | Wikipedia Albrecht Dürer's magic square, Wikidata Q113886439 |
| Albrecht Fröhlich | A12T1TPNQ0 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#L8QC |
| Albrecht Fröhlich | A4CZ8C5WWP | topic | open | Wikipedia Albrecht Fröhlich, Wikidata Q451721 |
| Albrecht Fröhlich | GEGHBWR81J | topic | open | Wikipedia List of Jewish mathematicians#V7TD |
| Albrecht Pfister | CT716HE0G5 | topic | open | Wikipedia Albrecht Pfister (mathematician), Wikidata Q104795 |
| Albrecht Pfister | Y3MP25NEW6 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#JZZL, Wikipedia List of German mathematicians#MTZX |
| Alchemy | 7N8ATP8S63 | unknown | open | Wikipedia List of superseded scientific theories#GOP0 |
| Alchian–Allen effect | JE8Y4YPQCX | statement | open | mathlib_1000 Q4713046, Wikidata Q4713046, thousand_plus Q4713046, Wikipedia Alchian–Allen theorem, Wikipedia Alchian–Allen effect |
| Alchian–Allen theorem | E2KJHDHV6F | definition | open | Wikipedia List of theorems#YWVT |
| Alcoholic beverage | BEVGBG4FDY | unknown | open | Wikipedia List of common misconceptions about science, technology, and mathematics#S9GU |
| Alcubierre drive | TT0D250Q9J | definition | open | Wikipedia Alcubierre drive, Wikidata Q169890 |
| Alcuin | 63QXEJXVKT | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q154332, ProofWiki Mathematician:Alcuin_of_York, Wikipedia Alcuin |
| Alcuin | B28SCYAAXG | topic | open | Wikipedia List of logicians#T9BB |
| Alcuin's sequence | JM0AM9C1TX | definition | open | Wikidata Q4713383, MathWorld AlcuinsSequence, OEIS A005044, Wikipedia Alcuin's sequence |
| Alder's razor | 21Q2RT73XK | unknown | open | Wikipedia Mike Alder#7ANC |
| Aldo Andreotti | 88H7Z1BMBY | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#1BNF, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#I662, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#UIWK |
| Aldo Andreotti | FHJ9E6RCJZ | topic | open | Wikipedia List of Italian mathematicians#PAW8 |
| Aldo Andreotti | NYA9763B4D | topic | open | Wikipedia Aldo Andreotti, Wikidata Q373373 |
| Aldona Aleškevičienė-Statulevičienė | A9GKERHSX4 | topic | open | Wikipedia Aldona Aleškevičienė-Statulevičienė, Wikidata Q16443000 |
| Aldous' spectral gap conjecture | RAHT9E1E96 | statement | open | Wikipedia Aldous' spectral gap conjecture, Wikidata Q139891469 |
| Aldous--Broder for general chains | M2M7BP4DKX | 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 2610.13063#7DV8 |
| Aldridge Bousfield | F4TED4N0VV | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q24254204, nLab Aldridge Bousfield, Wikipedia Aldridge Bousfield |
| ALEA - Latin American Journal of Probability and Mathematical Statistics | TN1DRKGQK4 | unknown | open | Wikipedia List of probability journals#0XTC |
| Aleatoric uncertainty | 4KW8RXR2BD | unknown | open | Wikipedia Uncertainty quantification#JHNL |
| Alec Gallup | NWT52P4TE7 | topic | open | Wikipedia Alec Gallup, Wikidata Q4714141 |
| Alec Muffett | EWYSNM2SS3 | topic | open | Wikipedia List of people by Erdős number#MU76 |
| Alec Muffett | XM6N2J9131 | topic | open | Wikipedia Alec Muffett, Wikidata Q16200512 |
| Alec Naylor Dakin | MFHSCNAH5G | unknown | open | Wikipedia List of cryptographers#8DKU |
| Alejandro Aceves | C7ZTCH04RA | topic | open | Wikipedia Alejandro Aceves, Wikidata Q141102604 |
| Alejandro Adem | A6K2J607QW | unknown | open | Wikipedia List of people by Erdős number#YQOC |
| Alejandro Adem | YXMMTGMKG7 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q2640723, nLab Alejandro Adem |
| Alejandro C. Frery | 8BB0FKNE13 | topic | open | Wikipedia Alejandro C. Frery, Wikidata Q51137850 |
| Alejandro Corichi | 221HSH66Q2 | unknown | open | Wikipedia List of contributors to general relativity#FJL9 |
| Alejandro Jodorowsky | QVYCRTY62V | unknown | open | Wikipedia List of Ukrainian Jews#S0ZJ |
| Aleksandar Donev | X44WYH01RX | topic | open | Wikipedia Aleksandar Donev, Wikidata Q102412739 |
| Aleksandar Ivić | DAFWQATTZV | topic | open | Wikipedia List of people by Erdős number#DVWA |
| Aleksandar Ivić | ZP7K6CT5R7 | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q15252497, ProofWiki Mathematician:Aleksandar_Ivić, Wikipedia Aleksandar Ivić |
| Aleksander Akhiezer | VH1JWA4FNZ | unknown | open | Wikipedia List of Ukrainian Jews#9Z7H |
| Aleksander Axer | BQ4MNE1C80 | topic | open | Wikipedia Aleksander Axer, Wikidata Q4714923 |
| Aleksander Grużewski | ZXJ1C4EZYA | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#NGZJ |
| Aleksander Pełczyński | N3A8SMNBR8 | topic | open | Wikipedia Aleksander Pełczyński, Wikidata Q1772889 |
| Aleksander Pełczyński | SVN44RV4NX | topic | open | Wikipedia List of people by Erdős number#WENC, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#7O9Q, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#FONI |
| Aleksander Rajchman | DA4DE0EDNQ | unknown | open | Wikipedia List of Jewish mathematicians#ZHFN |
| Aleksander Spivakovsky | XJKSS56X58 | topic | open | Wikipedia Aleksander Spivakovsky, Wikidata Q20070071 |
| Aleksandr Aleksandrov | AVHGCC4NMM | unknown | open | Wikipedia List of Russian mathematicians#E1WL |
| Aleksandr Aleksandrov | SNPBKVZ2KP | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q934314, nLab Aleksandr Aleksandrov |
| Aleksandr Borovkov | HC8J22H0TH | topic | open | Wikipedia Aleksandr Borovkov, Wikidata Q4094322 |
| Aleksandr Danilovich Aleksandrov | G1XWJ3NZGM | unknown | open | Wikipedia List of geometers#QFA1 |
| Aleksandr Khazanov | TQXARKV2EP | topic | open | Wikipedia Aleksandr Khazanov, Wikidata Q4715199 |
| Aleksandr Khinchin | 3VDNT5Y873 | topic | open | Wikipedia Aleksandr Khinchin, Wikidata Q723638 |
| Aleksandr Khinchin | QYX3QZKAB0 | topic | open | Wikipedia List of Russian mathematicians#Q454 |
| Aleksandr Khinchin | W0K6H8V23G | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#459P |
| Aleksandr Khinchin | Y541XKTT6C | topic | open | Wikipedia List of mathematical probabilists#TROX |
| Aleksandr Khinchin | Y5T5K8CWKT | topic | open | Wikipedia List of Jewish mathematicians#UPPC |
| Aleksandr Kolchinsky | NBSKYQ1QZR | unknown | open | Wikipedia List of Ukrainian Jews#OZGQ |
| Aleksandr Korkin | 806BCNKFWX | topic | open | Wikipedia Aleksandr Korkin, Wikidata Q619900 |
| Aleksandr Korkin | ZBSQ2WYWR2 | topic | open | Wikipedia List of Russian mathematicians#GI20 |
| Aleksandr Kurosh | NTHVAPXDCK | unknown | open | Wikipedia List of Russian mathematicians#URYG |
| Aleksandr Logunov | A3T4HJD7JN | topic | open | Wikipedia Aleksandr Logunov (mathematician), Wikidata Q29368505 |
| Aleksandr Lyapunov | 4XTNQE51K2 | topic | open | Wikipedia List of mathematicians born in the 19th century#I1IX |
| Aleksandr Lyapunov | 6YR9K8JG0R | topic | open | Wikipedia Aleksandr Lyapunov, Wikidata Q310788 |
| Aleksandr Lyapunov | B022YY1QYK | topic | open | Wikipedia List of Russian mathematicians#QWIG |
| Aleksandr Nekrasov | F10MVEBVXW | topic | open | Wikipedia Aleksandr Nekrasov, Wikidata Q4316559 |
| Aleksandr Petrovich Domoryad | FYF5DAA88H | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q21989855, ProofWiki Mathematician:Aleksandr_Petrovich_Domoryad |
| Aleksandr V. Pukhlikov | G0CJDRPRGX | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#27U6 |
| Aleksandr Volodin | NXVRWT9JXQ | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q4123769, nLab I. A. Volodin |
| Aleksandra Slavković | 2FM0A8G63V | topic | open | Wikipedia List of fellows of the American Statistical Association#QP26 |
| Aleksandra Slavković | W836MB9EE3 | topic | open | Wikipedia Aleksandra Slavković, Wikidata Q57339459 |
| Aleksandrov's disintegration theorem | 8DK69GW56A | 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 2610.15472#82RY |
| Aleksandrov–Clark measure | AE6R7NE693 | definition | open | Wikipedia Aleksandrov–Clark measure, Wikidata Q4715615 |
| Aleksandrov–Rassias problem | JEE9ETFHWA | problem | open | Wikipedia Aleksandrov–Rassias problem, Wikidata Q4715616 |
| Alekseev--Liu--Thom | PJQ2M6YKFK | 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 2609.37761#OUTT, arXiv 2610.03424#2UWG |
| Alekseev–Gröbner formula | 92QJ4958H5 | statement | open | Wikipedia Alekseev–Gröbner formula, Wikidata Q109849407 |
| Aleksei Chernavskii | QB4ZC1R9PZ | topic | open | Wikipedia Aleksei Chernavskii, Wikidata Q97999885 |
| Aleksei Filippov | PCEDHSHVF6 | topic | open | Wikipedia Aleksei Filippov (mathematician), Wikidata Q224551 |
| Aleksei Georgievich Postnikov | R2FJ2T7JJT | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#Q1EI |
| Aleksei Georgievich Sveshnikov | GQQMR5NWEC | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#PJC7 |
| Aleksei Kapler | CBSDVZG42Y | unknown | open | Wikipedia List of Ukrainian Jews#CNZI |
| Aleksei Markushevich | GY6QK7KT0F | topic | open | Wikipedia Aleksei Markushevich, Wikidata Q2623089 |
| Aleksei Parshin | KTXN4N3J98 | topic | open | Wikipedia Aleksei Parshin, Wikidata Q2643985 |
| Aleksei Pogorelov | YFM5R3QRDH | unknown | open | Wikipedia List of geometers#8EJT |
| Aleksei Sveshnikov | TZY0NCJY3F | topic | open | Wikipedia Aleksei Sveshnikov, Wikidata Q4410618 |
| Aleksey Nikolaevich Krylov | B28J15WF0Q | unknown | open | Wikipedia List of Russian mathematicians#05CO |
| Alena Varmužová | N29FMSZAK0 | topic | open | Wikipedia Alena Varmužová, Wikidata Q27062101 |
| Alena Šolcová | FXY0YM3DF6 | topic | open | Wikipedia Alena Šolcová, Wikidata Q20428279 |
| aleph | K0PXZCSHQH | definition | open | Wikipedia Glossary of set theory#YZFJ |
| Aleph 0 | 539HD2YCVM | unknown | open | Wikipedia Aleph number#G6KG |