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发表于 2025-7-8 18:26:15
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naerypme 发表于 2025-7-8 16:27
+ a" W# E5 h' \错了，这次复旦哲学系有一个老师作报告，哈哈
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这老兄伯克利数学博士，本科华盛顿大学数学与计算机系，博士后在复旦数学系，博士后做好后在复旦哲学系工作，现在副教授了5 p5 k/ w$ L4 k
4 o5 i9 q3 Q% b" u |, {; m! {) kWilliam Johnson
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$ q6 ^( u! n$ z$ c4 k个人简介 Personal profile* B, x6 C2 {( g
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School of Philosophy, Fudan University, 220 Handan Road, Shanghai, China 200433.
" `0 G& [) c7 L" s. [Email:willjohnson@fudan.edu.cn
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教育和工作经历 Education and Work Experience
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教育经历 Education/ K6 P" J; ]* q* A- M E$ }/ }" B. Q
$ b c# r5 a2 D! I' t3 U* ^Ph.D. Mathematics, University of California Berkeley, Aug 2011–Jun 2016. Dissertation: Fun with Fields. Advised by Tom Scanlon.
- s. F8 [' `3 Y m/ qB.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
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Associate Professor. Fudan University School of Philosophy, Dec. 2022–present.
+ U& B' u' \: \3 ]Young associate researcher. Fudan University School of Philosophy, Sep. 2020–Dec. 2022.
2 J. c2 Q7 J8 Q; X F" }Postdoc. Fudan University School of Mathematical Sciences, Oct 2018–Aug. 2020.$ j/ k2 {5 A: }, G2 ?3 i# @3 M
Software Engineer. Niantic, Inc., Jan 2016–Jul 2018.
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研究方向 Research Interests
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Model theory of fields and valued fields
4 h% ]; I! o5 z+ q* V) q& d% z ?Neostability: strongly dependent theories, NTP2 theories, dp-rank, o-minimality
6 q2 P. N! R6 ?: N& d. h# V1 bPseudofinite fields and ACFA
/ f$ _: i U0 U! q) BDefinable groups and tame topology& |9 \- q) i( N+ l+ H9 n+ @
Applications of cohomology and category theory to model theory) X1 S% L( a! }% @
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主要学术成果 Academic Achievements
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代表性论文 Academic Papers, z1 K, T, ? d+ e. j
, a. w/ B) u/ D- ^4 g5 |& `% q i1. Johnson, W. and Ye, J. (2024). Curve-excluding fields. Journal of the European Mathematical Society (accepted).
! t, {8 E. E6 w2. Andújar Guerrero, P. and Johnson, W. (2024). Around definable types in p-adically closed fields. Annals of Pure and Applied Logic 175(10): 103484.
7 Y( \* L) F) w9 P% a+ V3. 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).
- C+ W, ?5 w& B' }! X$ Z: [4. 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 _: W: g' X4 @0 a- e* F5. Johnson, W. (2023). Topologizing interpretable groups in p-adically closed fields. Notre Dame Journal of Formal Logic 64(4): 571-609.
- } t$ O9 D' L0 }1 [$ Q, }7 \6. Johnson, W. and Yao, N. (2023). Abelian groups definable in p-adically closed fields. Journal of Symbolic Logic (online first).& y/ Y9 T$ Z. f, D' _) r2 w
7. Johnson, W. and Ye, J. (2023). A note on geometric theories of fields. Model Theory 2(1): 121-132.
1 T6 _$ s* F+ t* ?) h8. Johnson, W. (2023). Type-definable NIP fields are Artin-Schreier closed. Fundamenta Mathematicae 260:251-261.
" [+ @" d4 i, Y9 o9 O9 @9. Johnson, W. (2023). A note on fsg groups in p-adically closed fields. Mathematical Logic Quarterly 69(1):50-57.5 M7 n: E) s3 d" H
10. 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.
1 W# x. @: i" y: O, }$ `: O, g11. Johnson, W. (2023). The classification of dp-minimal and dp-small fields. Journal of the European Mathematical Society 25(2): 467-513.+ n( W7 Y5 q( E2 P& r, S& L
12. Johnson, W. (2022). Henselianity in NIP Fp-algebras. Model Theory 1(1): 115-128.
. t2 p% f" T/ a; o/ o) H13. Johnson, W. and Yao, N. (2022). On non-compact p-adic definable groups. Journal of Symbolic Logic 87(1):188-213.0 k4 r5 Q% |1 o2 a3 f
14. Johnson, W. (2022). A criterion for uniform finiteness in the imaginary sorts. Archive for Mathematical Logic 61: 583-589.! B) E! \- O F/ V
15. Johnson, W. (2022). Forking and dividing in fields with several orderings and valuations. Journal of Mathematical Logic 22(1): 2150025.) W5 C9 c9 l* p
16. Johnson, W. (2022). Counting mod n in pseudofinite fields. Israel Journal of Mathematics 247: 697-739.
# Y; b/ C' \$ a17. Johnson, W. (2021). Dp-finite fields I(B): positive characteristic. Annals of Pure and Applied Logic 172(6):102949.
0 j# r7 p& ]$ A7 q8 A/ h( A D18. Johnson, W. (2021). Dp-finite fields I(A): the infinitesimals. Annals of Pure and Applied Logic 172(6):102947.+ B8 n( f& t# M* r4 s
19. 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.
3 ?( @% H1 g Q; y/ E20. Johnson, W. (2018). The canonical topology on dp-minimal fields. J. Math. Logic 18(2): 1850007.
" z6 f/ G9 g* o( j) Z21. Johnson, W. (2018). Interpretable sets in dense o-minimal structures. J. Symbolic Logic 83(4): 1477-1500.# a5 F# a: M5 z1 E1 V: `7 u
22. Appendix to Freitag, J., Li, W., Scanlon, T. and Johnson, W. (2017). Differential Chow varieties exist. J. London Math. Soc. 95: 128-156.
4 E0 \& e3 `7 K s v3 Z$ S23. Johnson, W. (2014). The combinatorial game theory of well-tempered scoring games. International Journal of Game Theory 43: 415-438., y% \; V" z) C! G
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参加的会议 Conference Talks
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1 A" o' D X5 i6 [4 n1 t2 N1. A classification of dp-minimal integral domains. 2024 Beijing Model Theory Conference, China. L/ q7 Z2 n$ {+ l: e+ G
2. C-minimal fields are geometric. 2023 Asian Logic Conference, Tianjin, China.- x- v9 Q4 p- k/ r+ U% e& L. e/ T: i; q$ k) U
3. Generic differentiability and the P-minimal group conjectures of Onshuus and Pillay. 2023 Beijing Logic Meeting, China.( [$ [5 }# C+ j4 G1 p' x
4. Around NIP Noetherian domains. 2023 conference Model theory of valued fields at CIRM, Marseille, France.1 B, ^, g: }# G. Z. r, g
5. Dolich and Goodrick's visceral theories. 2021 Delta15 Logic Workshop, Nanjing, China.* a0 p' q5 a3 J& ?
6. On non-compact p-adic definable groups. 2021 Workshop on Trends in Pure and Applied Model Theory, Fields institute, Toronto, Canada.! H- X3 E) J, N; x7 A
7. V-topologies and beyond. 2020 Chinese Mathematical Society Annual Conference, Shijiazhuang, China.2 s3 F5 e* E5 D- D4 V/ O+ |
8. An update on dp-finite fields. 2019 Chinese Annual Conference on Mathematical Logic, Chongqing, China.
: b0 N: N$ i; j. t# R7 f. _) u9. From modular lattices to valuation rings. 2019 conference Model Theory of Valued fields and Applications, University of Münster, Germany.. N" I; \$ Z9 A& q
10. Multi-valued algebraically closed fields are NTP2. 2018 workshop Model Theory of Valued Fields, IHP, Paris, France.! U- c8 m6 B4 ~5 B8 \
11. When does Teq eliminate ∃∞? 2016 North American meeting of the Association for Symbolic Logic, Storrs, US.
8 q$ T+ v- y6 `9 c) c12. On dp-minimal fields. 2015 Neostability Theory meeting in Oaxaca, Mexico.
) l! N, k. B! m( z6 t8 c( o7 M/ M13. Interpretable sets in o-minimal structures. 2015 North American meeting of the ASL, Urbana-Champaign, US.2 y t( D2 K( y5 i
$ d3 `) ]5 X7 y" W) h. u; s- b8 p预印本 Preprints
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1. with Yatir Halevi and Christian d'Elbée. The classification of dp-minimal integral domains (2024). arXiv:2405.21014.
$ R. {( j3 {: {1 K) [* ]2. Generic differentiability and P-minimal groups (2024). arXiv:2404.17234.% f# L1 N! h y
3. Visceral theories without assumptions (2024). arXiv:2404.11453.2 m: G6 E8 f* q1 x( c" R
4.C-minimal fields have the exchange property (2024). arXiv:2403.17478.
8 j/ }7 Y/ G {5. Dp-finite and Noetherian NIP integral domains (2023). arXiv:2302.03315.5 l) T k& S5 p, u
6. Dp-finite fields VI: the dp-finite Shelah conjecture (2020). arXiv:2005.13989.
; ~5 h3 y2 X$ y# ~7. Dp-finite fields V: topological fields of finite weight (2020). arXiv:2004.14732.% \( }) e. l" s: T' V' N0 v4 C* G
8. Dp-finite fields IV: the rank 2 picture (2020). arXiv:2003.09130.
% m# }/ p/ A$ t7 _$ d2 I: G9. Dp-finite fields III: inflators and directories (2019). arXiv:1911.04727.
2 S; K- M! v; B* B9 L! d% V10. Dp-finite fields II: the canonical topology and its relation to henselianity (2019). arXiv:1910.05932." `2 V2 R% H: n6 T$ p, F
11. Finite burden in multivalued algebraically closed fields (2019). arXiv:1905.04991.
4 B' c j$ n" O' F: f D, f3 C4 G12. Circular planar resistor networks with nonlinear and signed conductors (2012). arXiv:1203.4045.: O4 [: S( O' ?9 H! K' E& W7 T; h
13. The knotting-unknotting game played on sums of rational shadows (2011). arXiv:1107.2635..
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其他 Miscellaneous# h2 C8 `! {; T# G- ~
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1.Fun with Fields (2016). PhD dissertation, UC Berkeley.$ y& N1 Y" Q, | I" G4 s$ E; K
2.Combinatorial Game Theory, Well-Tempered Scoring Games, and a Knot Game (2011). Undergraduate Senior Thesis, University of Washington.
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荣誉及获奖 Grants and Awards0 O3 G4 p( W7 l8 g
9 D7 F6 x+ @+ r9 u- Z V+ @0 y& [2022 National Natural Science Foundation of China Young Science Fund Project6 L+ O8 w+ c$ W4 I
2018 NSF Mathematical Sciences Postdoctoral Research Fellowship0 O* C8 E1 t# y' x p) M. b5 e" Y
2016 Sacks Prize for outstanding dissertation in mathematical logic (Association for Symbolic Logic)* ~5 @6 ?8 p, _9 ^% |
2016 Herb Alexander Prize for an outstanding dissertation in pure mathematics (UC Berkeley). U) c" ^. w$ X( T0 ^3 x% Z
2011 NSF Graduate Research Fellow6 K+ L% T9 e9 J: S
2009 Putnam Fellow! Q# _' N8 r4 e3 I- `
2008, 2010 honorable mention in Putnam contest4 _8 c. W& E) `1 e
2011 Dean’s Medalist in the Natural Sciences (University of Washington)
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8 J4 N A, z& Q9 R) K开设课程 Courses- F; ?" W; c: d# ~
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Introduction to Model Theory, Fall semesters 2020-2024, Fudan University
: t( v+ m. q8 x- gAdvanced Model Theory, Spring semesters 2021-2024, Fudan University |
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发表于 2025-7-8 18:29:59
