| Serge Vaudenay | Y6E524AZAD | unknown | open | Wikipedia List of people by Erdős number#OGMK |
| Sergei Abramov | P1MC39WDK1 | topic | open | Wikipedia Sergei Abramov (mathematician), Wikidata Q4054946 |
| Sergei Adian | 6DE70DZFPW | topic | open | Wikipedia Sergei Adian, Wikidata Q2074389 |
| Sergei Adian | CZCZRZWYZC | topic | open | Wikipedia List of Russian mathematicians#4BWG |
| Sergei Adian | VC1MHTESES | topic | open | Wikipedia List of logicians#XHB4 |
| Sergei Aseev | QT6JMVX3FS | topic | open | Wikipedia Sergei Aseev, Wikidata Q40006697 |
| Sergei B. Kuksin | 5DSZE8N9JT | topic | open | Wikipedia Sergei B. Kuksin, Wikidata Q30611006 |
| Sergei B. Kuksin | Y4Y3F97T3A | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#P4II |
| Sergei Bernstein | PTAMN50PEF | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#X37K |
| Sergei Bernstein | SND2EP3J82 | topic | open | Wikipedia List of Jewish mathematicians#F796 |
| Sergei Bernstein | YBMSDCGXYN | topic | open | Wikipedia Sergei Bernstein, Wikidata Q470539 |
| Sergei Chernikov | 2XTHVPCMMQ | topic | open | Wikipedia List of Russian mathematicians#6M4H |
| Sergei Chernikov | 3DBYGY1CBP | topic | open | Wikipedia Sergei Chernikov, Wikidata Q12170089 |
| Sergei Fomin | XXDRK1KZG7 | topic | open | Wikipedia Sergei Fomin, Wikidata Q951438 |
| Sergei Godunov | 8D95G3RZB2 | topic | open | Wikipedia Sergei Godunov, Wikidata Q324083 |
| Sergei Godunov | FX6SWFSP39 | topic | open | Wikipedia List of Russian mathematicians#UQV0 |
| Sergei Gukov | 4C486DFM2D | unknown | open | Wikipedia List of string theory topics#08RR |
| Sergei Gukov | AT1DNVY1SC | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q7453551, nLab Sergei Gukov |
| Sergei Ivanov | 2KK4AGY50R | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#K8U0 |
| Sergei Ivanov | VPPAG6H2P3 | topic | open | Wikipedia Sergei Ivanov (mathematician), Wikidata Q4196325 |
| Sergei Konyagin | 2EA396YJ72 | topic | open | Wikipedia List of people by Erdős number#G614, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#AJM9 |
| Sergei Konyagin | V3FH787059 | topic | open | Wikipedia Sergei Konyagin, Wikidata Q7453591 |
| Sergei L. Sobolev | 50X0T0X5EA | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#969N |
| Sergei Mikhailovitch Voronin | BHJW7H2K02 | topic | open | Wikipedia Sergei Mikhailovitch Voronin, Wikidata Q1453353 |
| Sergei N. Artemov | F8C516K1P0 | unknown | open | Wikipedia List of people by Erdős number#JA11 |
| Sergei Natanovich Bernstein | CRAR3H9VBA | topic | open | Wikipedia List of mathematicians born in the 19th century#E20X |
| Sergei Natanovich Bernstein | TRAD3DW78F | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#8SGC, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#WMYF |
| Sergei Novikov | 3C0WG464C5 | topic | open | Wikipedia Sergei Novikov (mathematician), Wikidata Q333975 |
| Sergei Novikov | N6AQCFXRK3 | topic | open | Wikipedia List of Russian mathematicians#I2WU |
| Sergei Novikov | XGZNS3FA3X | topic | open | Wikipedia List of people by Erdős number#QDMX |
| Sergei P. Novikov | ZFAXKETKY7 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#BYVS, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#THH5, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#YZ71 |
| Sergei Scherbov | 8VECMMSQJ1 | topic | open | Wikipedia Sergei Scherbov, Wikidata Q16145734 |
| Sergei Sobolev | 7ZWT2A29DB | topic | open | Wikipedia List of people by Erdős number#XDZA |
| Sergei Sobolev | CW1FA2095J | topic | open | Wikipedia List of Russian mathematicians#V348 |
| Sergei Sobolev | KNCBAPSQN2 | topic | open | Wikipedia Sergei Sobolev, Wikidata Q323337 |
| Sergei Starchenko | 33WB9NVWYW | topic | open | Wikipedia Sergei Starchenko, Wikidata Q24469781 |
| Sergei Starchenko | 54NB2FRC44 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#L7QK |
| Sergei Stepanov | 5SM8F9C5Z9 | topic | open | Wikipedia Sergei Stepanov (mathematician), Wikidata Q1269213 |
| Sergei Tabachnikov | XWQM9T15ZM | topic | open | Wikipedia Sergei Tabachnikov, Wikidata Q2272841 |
| Sergei Tabachnikov | ZY49X35RAY | topic | open | Wikipedia List of people by Erdős number#3GB2 |
| Sergei Treil | NJND45A3EB | topic | open | Wikipedia Sergei Treil, Wikidata Q23061981 |
| Sergei V. Ivanov | XTDVRT30DB | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#CQUN |
| Sergei Vasilyevich Kerov | KF2BHN46GM | topic | open | Wikipedia Sergei Vasilyevich Kerov, Wikidata Q102204625 |
| Sergei Viktorovich Bochkarev | KTMGE2614K | topic | open | Wikipedia Sergei Viktorovich Bochkarev, Wikidata Q17248345 |
| Sergei Viktorovich Bochkarev | QN6THT9K84 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#QV2K |
| Sergey A. Cherkis | A1P69HP123 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q59675021, nLab Sergey Cherkis |
| Sergey Antonyan | MCWA9PJJ8S | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q102342622, nLab Sergey Antonyan |
| Sergey Bernstein | 1F2SVZFWKV | unknown | open | Wikipedia List of Ukrainian Jews#WDUC |
| Sergey Bernstein | 8KDYJ6150K | topic | open | Wikipedia List of Russian mathematicians#CIS6 |
| Sergey Bernstein | WMB99ZRQS8 | topic | open | Wikipedia List of Ukrainian Jews#Q7JH |
| Sergey Bobkov | YNGVBD1E6K | topic | open | Wikipedia Sergey Bobkov, Wikidata Q16980771 |
| Sergey Bolotin | R8SM1GZ6RR | topic | open | Wikipedia Sergey Bolotin, Wikidata Q43425287 |
| Sergey Brin | 5KYQ56HZ7F | unknown | open | Wikipedia List of people by Erdős number#DHIJ |
| Sergey Chaplygin | 7BHWYS9H2B | unknown | open | Wikipedia List of Russian mathematicians#0V9Q |
| Sergey Chesnokov | RYP9J63E5J | topic | open | Wikipedia Sergey Chesnokov, Wikidata Q4514873 |
| Sergey Fomin | B9Q4Y56P42 | topic | open | Wikipedia List of people by Erdős number#UGR0, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#NMG5 |
| Sergey Fomin | S269Q9XD6A | topic | open | Wikipedia Sergey Fomin, Wikidata Q7453973 |
| Sergey Kislitsyn | FKT99TKWZ3 | topic | open | Wikipedia Sergey Kislitsyn, Wikidata Q19904496 |
| Sergey Kitaev | KGWETTC91G | topic | open | Wikipedia Sergey Kitaev, Wikidata Q102239838 |
| Sergey Mergelyan | RE3T1H5RFE | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q2471305, ProofWiki Mathematician:Sergey_Nikitovich_Mergelyan |
| Sergey Nikolsky | BJNH7C7AM1 | topic | open | Wikipedia Sergey Nikolsky, Wikidata Q34458 |
| Sergey Norin | CCMMZ9RE3J | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#Z4I4 |
| Sergey Pinchuk | 772VW29KM3 | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#HY4A, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#OGYV |
| Sergey Solovyov | A3KD4Z55AB | topic | open | Wikipedia Sergey Solovyov (mathematician), Wikidata Q54493525 |
| Sergey Stechkin | FTW0ZHH785 | unknown | open | Wikipedia List of people by Erdős number#45Q8 |
| Sergey V. Bolotin | C75QX83WYY | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#AG75 |
| Sergey Yablonsky | MRKMBWTAGJ | topic | open | Wikipedia Sergey Yablonsky, Wikidata Q3710055 |
| Sergey Yekhanin | 7WT79PPNWQ | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#4IP1 |
| Sergio Albeverio | QRH7N2AZYJ | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q27113, nLab Sergio Albeverio, Wikipedia Sergio Albeverio |
| Sergio Campanato | DACR4YJ4B7 | topic | open | Wikipedia Sergio Campanato, Wikidata Q3956052 |
| Sergio Doplicher | A3QYHBY87V | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q22669799, nLab Sergio Doplicher |
| Sergio Doplicher | VGYZW0ZTGA | unknown | open | Wikipedia List of people by Erdős number#QJ6K, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#VM94 |
| Sergio Ferrara | 313QDZHGM7 | unknown | open | Wikipedia List of string theory topics#2GGK |
| Sergio Ferrara | 85XXSYFTPX | unknown | open | Wikipedia List of University of California, Los Angeles people#WWZB |
| Sergio Ferrara | HAY88NV2EM | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q364713, nLab Sergio Ferrara |
| Sergiu Hart | WVX161PESN | unknown | open | Wikipedia List of Jewish mathematicians#X1LL |
| Sergiu Klainerman | FY59HE330Q | topic | open | Wikipedia List of contributors to general relativity#V2OB |
| Sergiu Klainerman | GVPZ5F3YFX | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#ZD2F |
| Sergiu Klainerman | H7A2RB7Y96 | topic | open | Wikipedia List of Jewish mathematicians#GGO1 |
| Sergiu Klainerman | WPA080FR4F | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q2273233, nLab Sergiu Klainerman, Wikipedia Sergiu Klainerman |
| Sergiy Vilkomir | 9EYZH12THZ | unknown | open | Wikipedia List of people by Erdős number#K1JD |
| Serguei Barannikov | BFCNE03J8A | topic | open | Wikipedia Serguei Barannikov, Wikidata Q60826728 |
| Serhii Mazlakh | 3VYN2TYR2P | unknown | open | Wikipedia List of Ukrainian Jews#5LSK |
| serial | VAR506EHB0 | definition | open | Wikipedia Glossary of ring theory#3S80 |
| Serial and common-query bounds | ZVAGN2J8J3 | 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#JDX1 |
| Serial concatenated convolutional codes | 2YXET0MXV3 | definition | open | Wikipedia Serial concatenated convolutional codes, Wikidata Q18378194 |
| Serial dependence | 1RSPWPNM8Z | definition | open | Wikipedia List of statistics articles#1X6T |
| Serial dependence | 4FQ4F3YJPS | unknown | open | Wikipedia Autocorrelation#GLR2 |
| Serial interval | G196XPERW8 | definition | open | Wikipedia Serial interval, Wikidata Q7454689 |
| Serial module | QR6PA6FM51 | definition | open | Wikipedia Serial module, Wikidata Q17103209 |
| Serial phase followed by common queries | Z67PCGVAJ9 | 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#FGAS |
| Serial position effect | E90QZ57HC9 | unknown | open | Wikipedia List of cognitive biases#62K0 |
| serial relation | VP4EGVA5PV | definition | open | Wikipedia Glossary of Principia Mathematica#9RNE |
| Serial relation | ZTH5SX4VXH | definition | open | Wikipedia Serial relation, Wikidata Q54940067 |
| serial subgroup | EDTN0Z2RGH | definition | deferred (the item has its own article, page 40735495) | Wikipedia Glossary of group theory#DIYH |
| Serial subgroup | R03G6NFTE4 | definition | open | Wikipedia Serial subgroup, Wikidata Q17096391 |
| seriality | S85FYEHS8N | definition | open | Wikipedia Glossary of logic#VA0F |
| Seriation | 4ZDWMWCD97 | definition | open | Wikipedia Seriation (statistics), Wikidata Q48968948 |
| Seriation | 89J4FZ2QMX | definition | open | Wikipedia Seriation (archaeology), Wikidata Q358095 |
| Seriation (archaeology) | QV2JVT9H8W | definition | open | Wikipedia List of statistics articles#OTNL |
