| Barbara Brooks Wallace | ZQXQPADMMA | unknown | open | Wikipedia List of University of California, Los Angeles people#XD8C |
| Barbara Burke Hubbard | JA88CWEHGQ | topic | open | Wikipedia Barbara Burke Hubbard, Wikidata Q105688755 |
| Barbara Csima | JTPS01VP9V | unknown | open | Wikipedia List of women logicians#GZV2 |
| Barbara Everitt Bryant | A2G3Y1XVDR | unknown | open | Wikipedia List of fellows of the American Statistical Association#8GEE |
| Barbara Falkenbach Ryan | ES2B4B3KP3 | unknown | open | Wikipedia List of fellows of the American Statistical Association#OYSF |
| Barbara Fantechi | 1531KW1V4A | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q30495285, nLab Barbara Fantechi, Wikipedia Barbara Fantechi |
| Barbara Fantechi | XS6A6S1S5C | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#KHCE |
| Barbara Gertrude Yates | KYQ37275H3 | topic | open | Wikipedia Barbara Gertrude Yates, Wikidata Q32234950 |
| Barbara Herman | VYNMHGRNTY | unknown | open | Wikipedia List of University of California, Los Angeles people#MU4Y |
| Barbara Kaltenbacher | MJV8YZ9J22 | topic | open | Wikipedia Barbara Kaltenbacher, Wikidata Q82455847 |
| Barbara Keyfitz | B8WGA2ZV25 | topic | open | Wikipedia List of people by Erdős number#LYRY |
| Barbara Keyfitz | V2YV4YC5AR | topic | open | Wikipedia Barbara Keyfitz, Wikidata Q807504 |
| Barbara Kruger | 81JV8J5W23 | unknown | open | Wikipedia List of University of California, Los Angeles people#CGJP |
| Barbara L. Osofsky | NZP9729BAZ | topic | open | Wikipedia Barbara L. Osofsky, Wikidata Q18719213 |
| Barbara Liskov | FYSVA4VJ77 | unknown | open | Wikipedia List of people by Erdős number#AUDI |
| Barbara M. Byrne | GCB0KACWV1 | topic | open | Wikipedia Barbara M. Byrne, Wikidata Q112414634 |
| Barbara MacCluer | M3FYVZ3Y3R | topic | open | Wikipedia Barbara MacCluer, Wikidata Q47542043 |
| Barbara McMartin | 4DCE01KXX5 | topic | open | Wikipedia Barbara McMartin, Wikidata Q4859150 |
| Barbara Niethammer | AQRDKWS8NE | topic | open | Wikipedia Barbara Niethammer, Wikidata Q807573 |
| Barbara Niethammer | H0MCAEW4AN | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#BTRW, Wikipedia List of German mathematicians#BIRR |
| Barbara Paulson | FMCW4ATJ01 | topic | open | Wikipedia Barbara Paulson, Wikidata Q45321187 |
| Barbara Rokowska | CM0FXMBRWF | topic | open | Wikipedia Barbara Rokowska, Wikidata Q9165555 |
| Barbara Rokowska | F4SH0J4ZNP | topic | open | Wikipedia List of people by Erdős number#QVPX |
| Barbara Stoddard Burks | RPFSHWBVQ3 | topic | open | Wikipedia Barbara Stoddard Burks, Wikidata Q55264752 |
| Barbara Terhal | 140NYDBJS0 | unknown | open | Wikipedia List of people by Erdős number#YFSM |
| Barbara Tilley | XVGJXT9WA0 | unknown | open | Wikipedia List of fellows of the American Statistical Association#GQOC |
| Barbara Trader Faires | BYMQJGSQN2 | topic | open | Wikipedia Barbara Trader Faires, Wikidata Q59522650 |
| Barbara Wohlmuth | HP3ZD83DYG | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#OT6Z, Wikipedia List of German mathematicians#D752 |
| Barbara Wohlmuth | ZYMJS9JD2P | topic | open | Wikipedia Barbara Wohlmuth, Wikidata Q9648304 |
| barbell graph | 61QVK5YHN4 | unknown | open | Wikidata Q25305246, MathWorld BarbellGraph |
| Barber paradox | 157ERE9FD3 | statement | open | Wikipedia List of paradoxes#VU0X |
| barber paradox | 4PJRRZR1Z4 | statement | open | Wikidata Q807853, MathWorld BarberParadox, ProofWiki Barber_Paradox, Wikipedia Barber paradox |
| Barber, Erde | 6RD3J7GW3G | 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 2609.31331#MEW9 |
| Barber, Rina Foygel | 2FB9KQ5J84 | unknown | open | Wikipedia List of statisticians#JZPS |
| Barbershop paradox | RSC3V88NJJ | statement | open | Wikipedia Barbershop paradox, Wikidata Q3363342 |
| Barber–Johnson diagram | AA558FVAGJ | definition | open | Wikipedia Barber–Johnson diagram, Wikidata Q4859636 |
| Barber–Johnson diagram | RCXQ3XZ56Y | definition | open | Wikipedia List of statistics articles#WGTL |
| Barbier's theorem | 36XKXC1S9J | statement | open | Wikipedia List of theorems#9OVI |
| Barbier's theorem | QVD3M8M697 | statement | open | Wikipedia List of curves topics#Z1IZ |
| Barbier's theorem | RWYAJA8KT5 | statement | open | Wikipedia Buffon's noodle#NNYQ |
| Barbier's theorem | SZA2TM6F5A | statement | open | mathlib_1000 Q1188048, Wikidata Q1188048, thousand_plus Q1188048, Wikipedia Barbier's theorem, MathWorld BarbiersTheorem |
| Barcan formula | 18RP9G70HW | statement | open | Wikidata Q3748370, nLab Barcan formula, Wikipedia Barcan formula |
| Barcan formula | V75ENFXT0V | definition | open | Wikipedia Glossary of logic#JNZO |
| Bardeen Potential | ETW1GXZVA4 | unknown | open | Wikipedia Post-Newtonian expansion#YXF3 |
| Bareiss algorithm | PCGZNE5M1E | definition | open | Wikipedia Bareiss algorithm, Wikidata Q4860404 |
| Barenco et al, 1995; arXiv:quant-ph/9503016v1 | 8E7GEHX6CY | exercise | open | napkin tex/quantum/circuits.tex#dproblem-1 |
| Barendregt–Geuvers–Klop conjecture | 1J1JMRT4MN | definition | open | Wikipedia List of unsolved problems in computer science#3ZGO |
| bargaining | A9FXYR7RGC | concept | open | hott_book index/C.5/bargaining |
| bargaining | P06VHZ6GXK | concept | open | hott_book index/2.6/bargaining |
| bargaining | P4V2QNTJH8 | concept | open | hott_book index/B.3/bargaining |
| Bargmann | D3R3TMGT7X | definition | open | Wikipedia Glossary of real and complex analysis#R4X1 |
| Bargmann Form | DMWB93C32T | 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 2610.06810#Q9IB |
| Bargmann transform | PCP6M608PG | unknown | open | Wikipedia Segal–Bargmann space#GGEL |
| Bargmann-Fock Space | 8P9CZ0PVVY | 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 2610.06810#Z6LM |
| Barhebraeus | 4RJ3K1JQYQ | topic | open | Wikipedia Barhebraeus, Wikidata Q380295 |
| Barker code | WWJ9Y79FDY | concept | open | Wikidata Q808256, MathWorld BarkerCode, Wikipedia Barker code |
| Barker sequence conjecture | 6THN9N8Z0C | statement | open | Wikipedia Barker code#1DPV |
| Barker Ten Mile, North Carolina | 80XH8RBGMD | unknown | open | Wikipedia List of places with numeric names#OR8X |
| Barkley model | WEX5YR217H | unknown | open | Wikipedia Reaction–diffusion system#44KF |
| Barlet classification and fundamental cycles | 7DZQNA2KE7 | 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 2407.02022#91P7 |
| Barlow surface | 3WPA6C50WC | definition | open | Wikipedia List of complex and algebraic surfaces#S34V |
| Barlow surface | VHGMZBQGYX | definition | open | Wikipedia Barlow surface, Wikidata Q4861234 |
| Barlow's formula | FNS4YNN00S | statement | open | Wikipedia Barlow's formula, Wikidata Q381680 |
| Barnaba Oriani | MTD7Y853AP | unknown | open | Wikipedia List of Italian mathematicians#0POR |
| Barnaba Tortolini | 93JHDS8ERK | topic | open | Wikipedia Barnaba Tortolini, Wikidata Q4861321 |
| Barnaba Tortolini | ETRD9C50TF | topic | open | Wikipedia List of Italian mathematicians#SUAD |
| Barnabé Brisson | DZTTNGFJZE | topic | open | Wikipedia Barnabé Brisson (engineer), Wikidata Q2884655 |
| Barnard's test | 6MT7QPJJBJ | definition | open | Wikipedia List of statistics articles#YSL6 |
| Barnard's test | J7HCZ30MFH | definition | open | Wikipedia Barnard's test, Wikidata Q17004680 |
| Barnard, George Alfred | E4GD0VZ6XQ | topic | open | Wikipedia List of statisticians#8IVT |
| Barnard, Mildred | 8K0W3XGG61 | topic | open | Wikipedia List of statisticians#7IM2 |
| Barnardisation | BNADYJ24T8 | definition | open | Wikipedia Barnardisation, Wikidata Q4861440 |
| Barnardisation | S40RDF2W6W | definition | open | Wikipedia List of statistics articles#81A5 |
| Barnes G-function | 4PZDB59QZK | definition | open | Wikipedia List of mathematical functions#P3H7 |
| Barnes G-function | 938KX196HH | definition | open | Wikidata Q808463, MathWorld BarnesG-Function, Wikipedia Barnes G-function |
| Barnes integral | KBY9CDYXYC | definition | open | Wikipedia Barnes integral, Wikidata Q4201931 |
| Barnes interpolation | E98VB8RQNZ | definition | open | Wikipedia Barnes interpolation, Wikidata Q4861558 |
| Barnes interpolation | XBQRWAZ7WH | definition | open | Wikipedia List of statistics articles#5RNQ |
| Barnes lemmas | PF5HKZSG8G | statement | open | Wikipedia Barnes integral#CSVH |
| Barnes zeta function | 48JM5F44M9 | definition | open | Wikipedia List of zeta functions#7GXA |
| Barnes zeta function | TEDXQQQXWV | definition | open | Wikipedia Barnes zeta function, Wikidata Q4861566 |
| Barnes–Hut simulation | RJ2RKEY1M5 | definition | open | Wikipedia Barnes–Hut simulation, Wikidata Q808453 |
| Barnes–Wall lattice | Y4TMYWBQN5 | definition | open | Wikipedia Barnes–Wall lattice, Wikidata Q4861588 |
| Barnett, William A. | XN9RRQXGN8 | unknown | open | Wikipedia List of statisticians#FYWR |
| Barnette and Br\"uckner spheres | NAYP5YED07 | 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 2609.19945#HWHW |
| Barnette's conjecture | 295V4N52VE | conjecture | open | Wikidata Q4861653, MathWorld BarnettesConjecture, Wikipedia Barnette's conjecture |
| Barnette's conjecture | ZAG67ZEA6H | conjecture | open | Wikipedia List of unsolved problems in mathematics#MEGB |
| Barnette–Bosák–Lederberg graph | NJATYJ53GR | object | open | Wikidata Q3115470, House of Graphs 954, MathWorld Barnette-Bosak-LederbergGraph, Wikipedia Barnette–Bosák–Lederberg graph |
| Barnsley fern | B7AQVGGRMF | definition | open | Wikidata Q4861944, MathWorld BarnsleysFern, Wikipedia Barnsley fern |
| Barnum effect | GE03QS6R7M | unknown | open | Wikipedia List of cognitive biases#2VA5 |
| Baroclinic instability | 2X78809C5H | unknown | open | Wikipedia Baroclinity#FH0C |
| Baroclinity | 1QA0G44Z8Q | definition | open | Wikipedia Baroclinity, Wikidata Q1548585 |
| Barometric formula | CRE6KAVBQC | statement | open | Wikipedia List of exponential topics#BHU5 |
| Barometric formula | Q3AZAZCKQE | statement | open | Wikipedia Barometric formula, Wikidata Q808592 |
| Barone-Adesi and Whaley | TMX3F7C00W | unknown | open | Wikipedia Black–Scholes model#V9Q6 |
| Barotropic vorticity equation | GQXJFCQN0D | definition | open | Wikipedia Barotropic vorticity equation, Wikidata Q4863070 |
| Barratt–Priddy theorem | PZGC15QFZ3 | statement | open | Wikipedia Barratt–Priddy theorem, Wikidata Q4863268 |
| Barred energy | AZ3JY7HZ63 | 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 2609.25762#8VUL |
| barrel | VFHEANBRKB | definition | open | Wikipedia Glossary of functional analysis#R2MC |
| Barrelled set | QFYM9BHM9B | definition | open | Wikipedia Barrelled set, Wikidata Q96373175 |