| Regulation of cryptocurrencies | ZHZ6R6X9P3 | unknown | open | Wikipedia Cryptocurrency#7EGY |
| regulator | 9D23J6ECAK | unknown | open | Wikidata Q17591375, EoM Regulator_of_an_algebraic_number_field, MathWorld Regulator, nLab regulator of a number field |
| regulator | 9SFABM73FM | definition | open | Wikipedia Glossary of algebraic topology#OEGJ |
| Regulatory arbitrage | C6XXX5AC6Y | unknown | open | Wikipedia Arbitrage#RELN |
| Regulus | 1NZGMZKBGZ | definition | open | Wikipedia List of surfaces#Q53S |
| Regulus | 2Z3PB5711N | definition | open | Wikidata Q28457674, MathWorld Regulus, Wikipedia Regulus (geometry) |
| regulus | KBPQAYWYKT | definition | open | Wikipedia Glossary of classical algebraic geometry#KZMQ |
| REH0PJ623B | REH0PJ623B | 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 2610.16989#54OL |
| Reheating | 46Z0Y965A8 | unknown | open | Wikipedia Cosmic inflation#DBBF |
| REHSYK0HH1 | REHSYK0HH1 | 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 2405.14678#ZR78 |
| Rehuel Lobatto | EZC5423963 | topic | open | Wikipedia List of Jewish mathematicians#TNBV |
| Rehuel Lobatto | HB9K3YYH2Q | topic | open | Wikipedia Rehuel Lobatto, Wikidata Q7309857 |
| Reid, Nancy | BPEDFY2ZAR | unknown | open | Wikipedia List of statisticians#YGI0 |
| Reidemeister | 7GACZRQ0W3 | definition | open | Wikipedia Glossary of algebraic topology#JTBH |
| Reidemeister move | 243MYWJA1M | concept | open | Wikidata Q1636327, MathWorld ReidemeisterMoves, nLab Reidemeister move, Wikipedia Reidemeister move |
| Reidemeister move | MAEF539Z8M | definition | open | Wikipedia List of knot theory topics#ITQS |
| Reidemeister Moves | 9S9BGPK6ZN | 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 1209.3562#4ISV |
| Reidemeister torsion | K0ATZT2W0J | concept | open | Wikidata Q31839400, MathWorld ReidemeisterTorsion |
| Reidemeister–Singer Theorem | 8DHZR9QQY4 | definition | open | Wikipedia List of theorems#LMAG |
| Reider's theorem | 2E7M43DHWX | statement | open | mathlib_1000 Q7310041, Wikidata Q7310041, thousand_plus Q7310041, Wikipedia Reider's theorem |
| Reider's theorem | JF7CK8WNJG | statement | open | Wikipedia List of theorems#PXOV |
| Reidun Twarock | TD19BXV0BK | unknown | open | Wikipedia List of German mathematicians#02YS |
| Reiersøl, Olav | 8MYCG44WNZ | unknown | open | Wikipedia List of statisticians#FAD7 |
| Reification | FSBSMM00PG | definition | open | Wikipedia List of fallacies#PGUO |
| Reification | KA4TJZ26HW | definition | open | Wikipedia Reification (fallacy), Wikidata Q17077952 |
| Reification | SM60HXSVNM | definition | open | Wikipedia Reification (statistics), Wikidata Q7310070 |
| Reification (statistics) | TDBMKBGER2 | definition | open | Wikipedia List of statistics articles#M1T9 |
| Reiko Miyaoka | ZGAK6CHY1F | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q11454088, nLab Reiko Miyaoka |
| Reiko Sakamoto | ZNT1QSNHAY | topic | open | Wikipedia Reiko Sakamoto (mathematician), Wikidata Q42314549 |
| Reilly formula | MZ6DECWVG2 | statement | open | Wikipedia Reilly formula, Wikidata Q111938050 |
| Reimann and Slaman | 3D9K4ZWP74 | 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 0812.1600#1ONE |
| reindexing the series | EMKMWVG40W | concept | open | lebl_diffyqs index/9.1.4/reindexing-the-series |
| Reindexing the triple sum | FPJHB7C0MR | 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 2610.07905#95J1 |
| Reinforcement learning | K277A423KW | topic | open | Wikipedia List of algorithms#XMMU |
| Reinforcement learning | TP3ANE343W | topic | open | Wikipedia List of mathematical discoveries by artificial intelligence#V84F |
| Reinforcement learning | XJ85Y113B5 | topic | open | Wikipedia Reinforcement learning, Wikidata Q830687 |
| Reinforcement learning for recommender systems | XMBQ46YF0A | unknown | open | Wikipedia Recommender system#EXHT |
| Reinhard Diestel | 9VJ3091PG9 | topic | open | Wikipedia Reinhard Diestel, Wikidata Q2140649 |
| Reinhard Meinel | WT9H9DC5FG | unknown | open | Wikipedia List of contributors to general relativity#CY9A |
| Reinhard Selten | 4PY2CW51Y7 | unknown | open | Wikipedia List of people by Erdős number#7160, Wikipedia List of German mathematicians#G1E0 |
| Reinhard Selten | HE4VFKAWCK | unknown | open | Wikipedia List of Jewish mathematicians#3HAH |
| Reinhard Siegmund-Schultze | 653CKQKATS | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#PYGD |
| Reinhardt cardinal | 1811SMATY1 | definition | open | Wikipedia Reinhardt cardinal, Wikidata Q7310357 |
| Reinhardt cardinal | FXHB7Q04M5 | definition | open | Wikipedia List of incomplete proofs#XXMC |
| Reinhardt cardinal | NPCE7MZP10 | definition | open | Wikipedia Glossary of set theory#X7PV |
| Reinhardt cardinal | PAN2180TGQ | definition | open | Wikipedia List of unsolved problems in mathematics#01IK |
| Reinhardt domain | HSV9H26942 | concept | open | Wikidata Q7310358, EoM Reinhardt_domain, MathWorld ReinhardtDomain |
| Reinhardt domain, complete | 4FVETSWR5V | concept | open | lebl_scv index/2.6/reinhardt-domain-complete |
| Reinhardt domain, complete | SC1E3AGWG3 | concept | open | lebl_scv index/1.2/reinhardt-domain-complete |
| Reinhardt domain, logarithmically convex | 5X8TJXVJZ5 | concept | open | lebl_scv index/2.6/reinhardt-domain-logarithmically-convex |
| Reinhardt Kiehl | 2E21ZEABT8 | topic | open | Wikipedia Reinhardt Kiehl, Wikidata Q2141192 |
| Reinhardt Kiehl | X4P8QPAVA4 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#4EU8 |
| Reinhardt polygon | PCCA4ASVJ0 | definition | open | Wikipedia Reinhardt polygon, Wikidata Q104830328 |
| Reinhardt's conjecture | PFCZWH9H00 | definition | open | Wikipedia List of unsolved problems in mathematics#YP2Q |
| Reinhold Baer | PV6RM1FBRG | topic | open | Wikipedia List of German mathematicians#2PS3 |
| Reinhold Baer | XKRX5VHV6N | topic | open | Wikipedia List of Jewish mathematicians#6KLS |
| Reinhold Baer | YX1JFWDMG9 | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q78085, nLab Reinhold Baer, Wikipedia Reinhold Baer |
| Reinhold Furth | 86810AVCPZ | unknown | open | Wikipedia List of people by Erdős number#UT3B |
| Reinhold Hoppe | YJD0NGQ5QS | topic | open | Wikipedia Reinhold Hoppe, Wikidata Q15881197 |
| Reinhold Remmert | J99Y123K8N | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q73009, nLab Reinhold Remmert, Wikipedia Reinhold Remmert |
| Reinhold Remmert | N923KHSRX7 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#HD2H, Wikipedia List of German mathematicians#1WV5 |
| Reinhold Strassmann | BXJTY8KBCZ | topic | open | Wikipedia List of Jewish mathematicians#CAO7 |
| Reinhold Strassmann | NQ1FJFPFA9 | topic | open | Wikipedia Reinhold Strassmann, Wikidata Q7310383 |
| Reinhold Strassmann | W7T4RJVB02 | topic | open | Wikipedia List of German mathematicians#WMG8 |
| Reis's volume-ratio conjecture | GVXN8M1Z71 | 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#JG67 |
| Reis--Rothvoss: square matrices and the rectangular $p=2$ case | EKFY2HJZ3P | 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#M0YQ |
| Reisner's criterion | E76ZVD5RCM | statement | open | Wikipedia Stanley–Reisner ring#KS3V |
| Reiss relation | 3CYFYXTQ2R | definition | open | Wikipedia Reiss relation, Wikidata Q7310483 |
| Reissner–Mindlin plate theory | 8DJ48GSJFQ | topic | open | Wikipedia Reissner–Mindlin plate theory, Wikidata Q3564249 |
| Reissner–Nordström metric | H0HEN637K7 | definition | open | Wikipedia Reissner–Nordström metric, Wikidata Q540664 |
| Reiterman's theorem | FE37RA2PFM | statement | open | Wikipedia Variety of finite semigroups#VQC5 |
| REJ8VW8YBX | REJ8VW8YBX | 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 2610.21298#9CGM |
| Rejection of the principle | PC6RSKEFKB | statement | open | Wikipedia Uncertainty principle#ARBB |
| Rejection rule and rejection time | 45QSR151GD | 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 2609.27765#NQV5 |
| Rejection sampling | BKZ9ZP5RQ9 | definition | open | Wikipedia List of statistics articles#8GC8 |
| Rejection sampling | TK7CN9HWRT | definition | open | Wikipedia Rejection sampling, Wikidata Q381699 |
| Rejection sampling from independent group streams | MVF744NGGF | 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 2609.37482#YZK3 |
| REJKG51NBP | REJKG51NBP | 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 2610.17547#6167 |
| REJN8FTXKF | REJN8FTXKF | 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 2609.28297#Q8D1 |
| REJNJ26P1W | REJNJ26P1W | 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 2609.32834#5T5M |
| REJPX4KXNR | REJPX4KXNR | statement | open | applied_combinatorics source/ch_probmeth.ptx#lem_r33 |
| REJRWAXX25 | REJRWAXX25 | definition | open | ernst_ibl MAAPressVersion/IntroToLogic.tex#definition-3 |
| REJZBD0CJ9 | REJZBD0CJ9 | 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 2207.07461#M2VA |
| Rekeying | 4145SF17Y2 | definition | open | Wikipedia Rekeying (cryptography), Wikidata Q48790099 |
| REKFP09T90 | REKFP09T90 | exercise | open | lebl_ra ch-der.tex#exercise-13 |
| Rekha R. Thomas | FHAZDT8CEJ | topic | open | Wikipedia Rekha R. Thomas, Wikidata Q18719243 |
| Rekha R. Thomas | ZJCX0J32QH | topic | open | Wikipedia List of people by Erdős number#F2OQ, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#ZBU3 |
| relabeled endomorphism algebra | PV0HWM0ZFX | 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 2609.30637#KDCZ |
| Relabeling need not preserve type | TDRM7148T5 | 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 2609.30637#UQX1 |
| relabelling of barycentric monomials | VR20J4NMH2 | 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 2609.39511#NWUC |
| related | 2XM7ST19R6 | definition | open | Wikipedia Glossary of classical algebraic geometry#XXCS |
| Related conjectures | 8NX8SEFGVJ | statement | open | Wikipedia Littlewood conjecture#10I5 |
| Related conjectures | 9HJAG9YFGQ | statement | open | Wikipedia Tate conjecture#HNIW |
| Related conjectures | 9XZQG88DP8 | statement | open | Wikipedia Imbalance conjecture#BKIA |
| Related conjectures | FKGZ426T7H | statement | open | Wikipedia Harborth's conjecture#SQNV |
| Related conjectures | H8HN4R28YM | statement | open | Wikipedia Sumner's conjecture#2F6E |
| Related conjectures | KZMSSRJP2E | statement | open | Wikipedia Falconer's conjecture#CB3V |
| Related conjectures | MPPHCBACTB | statement | open | Wikipedia Albertson conjecture#77GK |
| Related conjectures | N553B47J09 | statement | open | Wikipedia Chern's conjecture (affine geometry)#9VD6 |
| Related conjectures | QC1599KCRZ | statement | open | Wikipedia Kalai's 3^d conjecture#7XMX |