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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$ C$ u0 ?1 `- B" l( }2 S
错了，这次复旦哲学系有一个老师作报告，哈哈
: k1 q/ h5 K* Q1 `) {( S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
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! Z8 g) }7 X. x6 zWilliam Johnson# M; ^3 K7 X# O+ n
. N; {# b( I3 ]个人简介 Personal profile
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9 q$ A1 `# ]5 w( S2 I7 \" {/ zSchool of Philosophy, Fudan University, 220 Handan Road, Shanghai, China 200433./ K; H0 S7 K- n4 J4 c3 i
Email:willjohnson@fudan.edu.cn
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教育和工作经历 Education and Work Experience6 R5 r/ }2 v! {: w# T% Y& m8 C- `/ ~
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教育经历 Education
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Ph.D. Mathematics, University of California Berkeley, Aug 2011–Jun 2016. Dissertation: Fun with Fields. Advised by Tom Scanlon.: T2 X0 S; q7 y' r. d
B.S. Mathematics and Computer Science, University of Washington, Sep 2007–Jun 2011. Thesis: Combinatorial Game Theory, Well-Tempered Scoring Games, and a Knot Game.3 k7 T$ i" [: j" ^, [
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工作经历 Work Experience
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Associate Professor. Fudan University School of Philosophy, Dec. 2022–present.
7 T$ F3 ?! Z( f3 D- uYoung associate researcher. Fudan University School of Philosophy, Sep. 2020–Dec. 2022. + u U* A4 W" i/ c' r. Z+ n& [
Postdoc. Fudan University School of Mathematical Sciences, Oct 2018–Aug. 2020.
3 S/ L8 P9 F* Z* F, ~+ w5 c# X% g3 l* }Software Engineer. Niantic, Inc., Jan 2016–Jul 2018.: w) M2 F8 I8 j+ S
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研究方向 Research Interests
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. u. w% O) Q! h# xModel theory of fields and valued fields# E( c; M( _( p9 n
Neostability: strongly dependent theories, NTP2 theories, dp-rank, o-minimality
! Q4 [0 H0 f& y9 |- ?) WPseudofinite fields and ACFA
0 l e/ H6 `1 @Definable groups and tame topology0 F6 a% B5 H6 X; O, d" }* R; ^" y
Applications of cohomology and category theory to model theory; Q9 L. P% l' \/ k, G" W) m
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主要学术成果 Academic Achievements- F$ w) Y0 B( }, I3 |! _
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代表性论文 Academic Papers( s: `; | n* I; s
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1. Johnson, W. and Ye, J. (2024). Curve-excluding fields. Journal of the European Mathematical Society (accepted).5 e T' o0 j- K
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.% w2 D, r' N" C" O( h
3. 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)." | J0 s! i0 h4 d; }$ E$ Y) [1 A8 @
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.
1 i# W) l* @9 u% f; R5. Johnson, W. (2023). Topologizing interpretable groups in p-adically closed fields. Notre Dame Journal of Formal Logic 64(4): 571-609./ O& F1 R- @( ?4 ~4 j
6. Johnson, W. and Yao, N. (2023). Abelian groups definable in p-adically closed fields. Journal of Symbolic Logic (online first).
! W9 f' |# d) n$ L8 w7. Johnson, W. and Ye, J. (2023). A note on geometric theories of fields. Model Theory 2(1): 121-132.
5 }1 W; y) e0 C; ]- r5 B' A$ w' P* p8. Johnson, W. (2023). Type-definable NIP fields are Artin-Schreier closed. Fundamenta Mathematicae 260:251-261.: R- }3 d) ~$ N* z5 A; H
9. Johnson, W. (2023). A note on fsg groups in p-adically closed fields. Mathematical Logic Quarterly 69(1):50-57.+ d \( N6 h* t/ U
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.+ ~$ d5 }: R% V6 y3 X
11. Johnson, W. (2023). The classification of dp-minimal and dp-small fields. Journal of the European Mathematical Society 25(2): 467-513.
7 u/ X0 A+ Y6 @) D3 a12. Johnson, W. (2022). Henselianity in NIP Fp-algebras. Model Theory 1(1): 115-128.
0 ]7 L% m O, ^# j13. Johnson, W. and Yao, N. (2022). On non-compact p-adic definable groups. Journal of Symbolic Logic 87(1):188-213.; {" ?/ Z8 D/ d8 s
14. Johnson, W. (2022). A criterion for uniform finiteness in the imaginary sorts. Archive for Mathematical Logic 61: 583-589.
, ?- z& [* j) C, o ^. q15. Johnson, W. (2022). Forking and dividing in fields with several orderings and valuations. Journal of Mathematical Logic 22(1): 2150025.
# G9 v7 N: Z, [9 z16. Johnson, W. (2022). Counting mod n in pseudofinite fields. Israel Journal of Mathematics 247: 697-739.3 K4 O$ s9 t! o9 ^8 S8 y
17. Johnson, W. (2021). Dp-finite fields I(B): positive characteristic. Annals of Pure and Applied Logic 172(6):102949.) ~1 D+ c3 O3 @
18. Johnson, W. (2021). Dp-finite fields I(A): the infinitesimals. Annals of Pure and Applied Logic 172(6):102947.: ], y/ h4 w% ]1 i5 z, W3 d* g
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 W& ]; _ F% T! Q& [20. Johnson, W. (2018). The canonical topology on dp-minimal fields. J. Math. Logic 18(2): 1850007.
# y# p! p4 j* i/ R7 j3 o21. Johnson, W. (2018). Interpretable sets in dense o-minimal structures. J. Symbolic Logic 83(4): 1477-1500.
8 ~# M( w: Q: {/ P+ M22. Appendix to Freitag, J., Li, W., Scanlon, T. and Johnson, W. (2017). Differential Chow varieties exist. J. London Math. Soc. 95: 128-156.
: l9 V5 v3 O/ S1 V6 w" R8 g+ j23. Johnson, W. (2014). The combinatorial game theory of well-tempered scoring games. International Journal of Game Theory 43: 415-438.7 I0 y! R/ ^, W! O' [8 [( U
. W" L% W/ A, t参加的会议 Conference Talks" H; c; Q, D7 Z. H/ ^
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1. A classification of dp-minimal integral domains. 2024 Beijing Model Theory Conference, China.
. ^- ~4 R% h, J* R. P' ]2. C-minimal fields are geometric. 2023 Asian Logic Conference, Tianjin, China.
, U8 L1 q+ j, }3. Generic differentiability and the P-minimal group conjectures of Onshuus and Pillay. 2023 Beijing Logic Meeting, China.
& P. S8 b7 h' q; e# Q9 j) }4. Around NIP Noetherian domains. 2023 conference Model theory of valued fields at CIRM, Marseille, France. ], x! ]4 O( ~3 p2 v7 U# z" |$ O0 d
5. Dolich and Goodrick's visceral theories. 2021 Delta15 Logic Workshop, Nanjing, China.
: T! \% J+ A) Z2 K$ c9 U6. On non-compact p-adic definable groups. 2021 Workshop on Trends in Pure and Applied Model Theory, Fields institute, Toronto, Canada.
. Y' I q. K4 O" f7. V-topologies and beyond. 2020 Chinese Mathematical Society Annual Conference, Shijiazhuang, China.
4 q6 Y5 ^+ z9 [+ n6 D% c8. An update on dp-finite fields. 2019 Chinese Annual Conference on Mathematical Logic, Chongqing, China.
1 j4 j4 h6 f0 @6 ^# P6 A5 `( p$ }& A9. From modular lattices to valuation rings. 2019 conference Model Theory of Valued fields and Applications, University of Münster, Germany.% U) S" d5 o3 m% y0 `" r7 w( y1 ]
10. Multi-valued algebraically closed fields are NTP2. 2018 workshop Model Theory of Valued Fields, IHP, Paris, France.
* |/ B4 q9 J4 e' S( v, f( x$ v11. When does Teq eliminate ∃∞? 2016 North American meeting of the Association for Symbolic Logic, Storrs, US.5 P% D \9 n( u: Z+ F& l" n
12. On dp-minimal fields. 2015 Neostability Theory meeting in Oaxaca, Mexico.; f" N- u [& m; ?
13. Interpretable sets in o-minimal structures. 2015 North American meeting of the ASL, Urbana-Champaign, US.; u8 A# y# D6 X! b: O
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预印本 Preprints @+ }6 |1 z* P* v7 g) _4 G
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1. with Yatir Halevi and Christian d'Elbée. The classification of dp-minimal integral domains (2024). arXiv:2405.21014.
/ C1 n4 o' M2 Y# ^2. Generic differentiability and P-minimal groups (2024). arXiv:2404.17234.
9 Q7 n5 _/ H p3 R4 E& r" _3. Visceral theories without assumptions (2024). arXiv:2404.11453.
8 H* h6 R7 F- }6 j3 J* J# x4.C-minimal fields have the exchange property (2024). arXiv:2403.17478.% f2 B0 Y7 Z7 S- M
5. Dp-finite and Noetherian NIP integral domains (2023). arXiv:2302.03315.% P( I+ @+ o# [5 u, d' r1 H
6. Dp-finite fields VI: the dp-finite Shelah conjecture (2020). arXiv:2005.13989.
- s% z6 }) i r! Y7. Dp-finite fields V: topological fields of finite weight (2020). arXiv:2004.14732.3 g/ C5 b! p! B
8. Dp-finite fields IV: the rank 2 picture (2020). arXiv:2003.09130.
3 p* U" q8 @5 R$ z9 }0 [/ A9. Dp-finite fields III: inflators and directories (2019). arXiv:1911.04727., _0 k! U, k9 v* ^
10. Dp-finite fields II: the canonical topology and its relation to henselianity (2019). arXiv:1910.05932.
( p0 M& l8 q% K' ?11. Finite burden in multivalued algebraically closed fields (2019). arXiv:1905.04991." u+ o* H" Y4 z% E( {% M
12. Circular planar resistor networks with nonlinear and signed conductors (2012). arXiv:1203.4045.
" j# E" A+ J: v; @& q+ B13. The knotting-unknotting game played on sums of rational shadows (2011). arXiv:1107.2635.. j5 g( j4 V3 {. _3 I$ r
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其他 Miscellaneous5 }8 @! |4 Q; U
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1.Fun with Fields (2016). PhD dissertation, UC Berkeley.
; x+ \3 H2 }, S7 ?: p' P. q2.Combinatorial Game Theory, Well-Tempered Scoring Games, and a Knot Game (2011). Undergraduate Senior Thesis, University of Washington., i2 ?1 {! e( y$ d1 A
, S0 u3 S% a( \' y7 Y' ~9 d荣誉及获奖 Grants and Awards: y; j7 p {, J( Q) h2 c/ g$ B
( |. a$ L( \' ~+ n6 @9 D4 h# \2022 National Natural Science Foundation of China Young Science Fund Project
7 B" B7 h, X, |9 u7 l2018 NSF Mathematical Sciences Postdoctoral Research Fellowship
; r( ~& E: }: [. u6 j2016 Sacks Prize for outstanding dissertation in mathematical logic (Association for Symbolic Logic)
5 s. K. }- q. M9 ^% L2016 Herb Alexander Prize for an outstanding dissertation in pure mathematics (UC Berkeley)/ R: y; y; L9 ~0 X/ F; m. q% ^
2011 NSF Graduate Research Fellow
* L" T: E& f2 R6 Z2009 Putnam Fellow
, u4 k" H7 T# S0 e3 b) t2008, 2010 honorable mention in Putnam contest
2 j. Z8 L, I) c z; p2011 Dean’s Medalist in the Natural Sciences (University of Washington)- k8 \' Z0 g1 g, f; I
# a. [9 ~) ]* x1 A开设课程 Courses% N2 O' E+ i. w, F4 l; K
1 d1 v# ~5 u) K2 t; dIntroduction to Model Theory, Fall semesters 2020-2024, Fudan University- U# A D7 h! |- a# v* h
Advanced Model Theory, Spring semesters 2021-2024, Fudan University |
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发表于 2025-7-8 18:29:59
