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发表于 2025-8-4 21:18:13
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SmithArno 发表于 2025-8-4 18:28
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; L% }! Y5 o% G- ?' N6 m7 t- H【1】中科院数学所李时璋
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复旦哲学系副教授Will发了三篇JEMS：
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, ~. u3 ]. x2 B( ~, @+ P做45分钟报告的William 是美国号称世界最著名大学生数学竞赛-普特南数学竞赛桂冠获奖者（Putnam Fellow） ，加州大学伯克利分校数学博士，复旦大学数学系博士后，复旦大学哲学系青年研究员、副教授。) h, q( i5 F0 H% F0 g. O* R- o0 Y
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个人简介 Personal profile& W5 b, L/ J+ P5 }. K/ L3 a0 @: y
School of Philosophy, Fudan University, 220 Handan Road, Shanghai, China 200433., V: d* U, `$ z" m' j
Email:willjohnson@fudan.edu.cn& V7 ?7 l% {+ U/ i$ w# K
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教育和工作经历 Education and Work Experience0 m' [1 I& S. e0 K# B& |) j6 e
4 }/ i& ]2 j! m2 }2 j' N7 i教育经历 Education$ T6 _) ^: m; M# V5 e
Ph.D. Mathematics, University of California Berkeley, Aug 2011–Jun 2016. Dissertation: Fun with Fields. Advised by Tom Scanlon.
( \. c7 z0 f& }9 CB.S. Mathematics and Computer Science, University of Washington, Sep 2007–Jun 2011. Thesis: Combinatorial Game Theory, Well-Tempered Scoring Games, and a Knot Game.
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工作经历 Work Experience
9 R; m4 `- L$ w) J4 g' K7 SAssociate Professor. Fudan University School of Philosophy, Dec. 2022–present.
5 J( T( C$ ^1 K, T Young associate researcher. Fudan University School of Philosophy, Sep. 2020–Dec. 2022.
. c3 `2 ?8 b$ J7 Q Postdoc. Fudan University School of Mathematical Sciences, Oct 2018–Aug. 2020.0 }9 B ^- _% ?/ L
Software Engineer. Niantic, Inc., Jan 2016–Jul 2018.+ S' k Y$ _9 E
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研究方向 Research Interests
5 L$ g1 r, j$ x- \8 d" MModel theory of fields and valued fields0 U1 v1 x8 f, q5 \/ ]4 @
Neostability: strongly dependent theories, NTP2 theories, dp-rank, o-minimality
8 k4 p" F3 S1 }1 D% U! _Pseudofinite fields and ACFA {! B, j( N3 C5 k, h N
Definable groups and tame topology
k6 v |: ~: [" R) ]8 G8 Q$ JApplications of cohomology and category theory to model theory
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主要学术成果 Academic Achievements& x* O0 b7 `4 L
/ r/ V g( Y0 G0 {: L; M$ B) v代表性论文 Academic Papers0 ~. Z' q2 F1 c
1. Johnson, W. and Ye, J. (2024). Curve-excluding fields. Journal of the European Mathematical Society (accepted).0 \4 {8 n( ^7 _4 V. ^
2. Andújar Guerrero, P. and Johnson, W. (2024). Around definable types in p-adically closed fields. Annals of Pure and Applied Logic 175(10): 103484.
# A$ c0 k8 [# m3. Johnson, W. and Yao, N. (2024). One-dimensional subgroups and connected components in non-abelian p-adic definable groups. Journal of Symbolic Logic (online first).
/ ], U. p8 c/ E9 W$ {+ G( k4. Johnson, W., Tran, C.-M., Walsberg, E., and Ye, J. (2024). The etale-open topology and the stable fields conjecture. Journal of the European Mathematical Society 26(10): 4033-4070.
3 X% j7 l) U0 q1 ~* e5. Johnson, W. (2023). Topologizing interpretable groups in p-adically closed fields. Notre Dame Journal of Formal Logic 64(4): 571-609. ~1 F4 s. k8 S3 J4 ]; p& X1 e! l: l
6. Johnson, W. and Yao, N. (2023). Abelian groups definable in p-adically closed fields. Journal of Symbolic Logic (online first).
f3 \' O$ M) `3 f! i1 e7. Johnson, W. and Ye, J. (2023). A note on geometric theories of fields. Model Theory 2(1): 121-132.
J) n1 S# G* l4 ?1 B$ ~8. Johnson, W. (2023). Type-definable NIP fields are Artin-Schreier closed. Fundamenta Mathematicae 260:251-261.; ?2 E3 X( i8 v
9. Johnson, W. (2023). A note on fsg groups in p-adically closed fields. Mathematical Logic Quarterly 69(1):50-57.
/ K5 f1 Q- b5 Z7 b0 I! q% ]+ t10. Johnson, W., Walsberg, E., and Ye, J. (2023). The étale open topology over the fraction field of a henselian local domain. Mathematische Nachrichten 296(5): 1928-1937.
$ m$ c4 x6 l" D9 [# A11. Johnson, W. (2023). The classification of dp-minimal and dp-small fields. Journal of the European Mathematical Society 25(2): 467-513. q/ {( Y% A8 F: f' `8 P. K
12. Johnson, W. (2022). Henselianity in NIP Fp-algebras. Model Theory 1(1): 115-128.& D5 M, {# \8 _+ [5 {8 ~' r% U- _
13. Johnson, W. and Yao, N. (2022). On non-compact p-adic definable groups. Journal of Symbolic Logic 87(1):188-213.7 D, K, [' C6 w: O- q4 `
14. Johnson, W. (2022). A criterion for uniform finiteness in the imaginary sorts. Archive for Mathematical Logic 61: 583-589.
, W0 z& U7 Q9 O7 `15. Johnson, W. (2022). Forking and dividing in fields with several orderings and valuations. Journal of Mathematical Logic 22(1): 2150025.
+ E: q' z+ ]6 Z# P16. Johnson, W. (2022). Counting mod n in pseudofinite fields. Israel Journal of Mathematics 247: 697-739.
) G: l: I1 V3 W6 n# M3 v: f7 ^$ f17. Johnson, W. (2021). Dp-finite fields I(B): positive characteristic. Annals of Pure and Applied Logic 172(6):102949.1 g0 R# R# S/ v( L! e) k' T) f/ U" y
18. Johnson, W. (2021). Dp-finite fields I(A): the infinitesimals. Annals of Pure and Applied Logic 172(6):102947.
9 \4 r# V# K: b) g5 H) b- q6 V; B19. Johnson, W. (2020). On the proof of elimination of imaginaries in algebraically closed valued fields. Notre Dame Journal of Formal Logic 61(3): 363-381.1 u3 r7 v: J' a0 q% I
20. Johnson, W. (2018). The canonical topology on dp-minimal fields. J. Math. Logic 18(2): 1850007.
+ o9 c7 x4 L2 O# j/ h) _7 ?' ?4 O21. Johnson, W. (2018). Interpretable sets in dense o-minimal structures. J. Symbolic Logic 83(4): 1477-1500.- Y$ F) ?, ?, L2 y( ?6 V3 I3 u) N9 x
22. Appendix to Freitag, J., Li, W., Scanlon, T. and Johnson, W. (2017). Differential Chow varieties exist. J. London Math. Soc. 95: 128-156.
# o( {: B" z$ s1 U, V; `) H23. Johnson, W. (2014). The combinatorial game theory of well-tempered scoring games. International Journal of Game Theory 43: 415-438.
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荣誉及获奖 Grants and Awards
+ ~, N/ T) @( x4 l) [6 r/ M2022 National Natural Science Foundation of China Young Science Fund Project4 k/ O- |+ I$ @ u
2018 NSF Mathematical Sciences Postdoctoral Research Fellowship5 M! C1 N$ \( `7 l) y% U4 q0 a( q) [9 ^
2016 Sacks Prize for outstanding dissertation in mathematical logic (Association for Symbolic Logic)
# g R7 H" h$ W U9 ~2016 Herb Alexander Prize for an outstanding dissertation in pure mathematics (UC Berkeley)/ }% \7 W2 p, W5 H. @' A0 n, M) w+ i
2011 NSF Graduate Research Fellow
. V7 z) z: ], |0 i! r2009 Putnam Fellow9 z& K5 o2 x- q' f2 ~4 P
2008, 2010 honorable mention in Putnam contest
9 {" v1 b+ i$ T4 d; b9 ?% \2011 Dean’s Medalist in the Natural Sciences (University of Washington) |
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