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发表于 2025-7-8 18:26:15
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naerypme 发表于 2025-7-8 16:275 r6 _0 m7 P. j
错了，这次复旦哲学系有一个老师作报告，哈哈
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& z P0 S8 ^2 F2 j( u; b% P$ r) {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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William Johnson
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: z; O: p/ _! d个人简介 Personal profile
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# s4 v+ u2 j7 Q# T6 KSchool of Philosophy, Fudan University, 220 Handan Road, Shanghai, China 200433./ ?3 C8 w" Q1 p/ T: q
Email:willjohnson@fudan.edu.cn3 S J' k( J. |- f5 {1 ^) [
6 \" l ?* j3 s- I4 L! e4 h8 v教育和工作经历 Education and Work Experience
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) G8 P3 k: I" ^; F5 Z; x! ~. E7 \教育经历 Education3 K4 k+ j% s3 A \
Q- a% W# Q$ DPh.D. Mathematics, University of California Berkeley, Aug 2011–Jun 2016. Dissertation: Fun with Fields. Advised by Tom Scanlon.3 c6 B j$ R3 E' ]! _
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.
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8 h7 u; r8 j4 L5 i- b1 ^) O1 x/ n工作经历 Work Experience
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Associate Professor. Fudan University School of Philosophy, Dec. 2022–present. 4 o3 ^0 J4 F( h$ T; ?
Young associate researcher. Fudan University School of Philosophy, Sep. 2020–Dec. 2022. * c- N) ?5 O1 n4 a" G) h% t" j
Postdoc. Fudan University School of Mathematical Sciences, Oct 2018–Aug. 2020.& S8 [3 e! I7 p2 U
Software Engineer. Niantic, Inc., Jan 2016–Jul 2018., ~, y, s. q/ o
: O3 n, ]+ s+ V7 W4 o6 ^% \研究方向 Research Interests
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Model theory of fields and valued fields
1 d. `# a; j% }/ [5 w4 aNeostability: strongly dependent theories, NTP2 theories, dp-rank, o-minimality
) z6 g( k2 l$ L( V+ V6 zPseudofinite fields and ACFA
. T: G: s% H; g7 PDefinable groups and tame topology& N) ^( W9 z% \9 Y% z: J
Applications of cohomology and category theory to model theory
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. C7 w! q7 G9 u3 g1 h5 f& v4 z- L主要学术成果 Academic Achievements2 g0 s% \; f: y* Y5 U
- i3 |( j1 L. ]7 ?6 z+ ?代表性论文 Academic Papers
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1. Johnson, W. and Ye, J. (2024). Curve-excluding fields. Journal of the European Mathematical Society (accepted).
- E" R& _4 h& m0 [1 R1 ?7 E/ \+ U2. Andújar Guerrero, P. and Johnson, W. (2024). Around definable types in p-adically closed fields. Annals of Pure and Applied Logic 175(10): 103484.% l' B' X. ^& J8 T# \: U: G+ d4 D
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).2 |4 `( ]. s0 P1 ~& I5 b0 l$ J0 |
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./ q( i9 H; C7 j7 m" _
5. Johnson, W. (2023). Topologizing interpretable groups in p-adically closed fields. Notre Dame Journal of Formal Logic 64(4): 571-609.
5 z% f/ F* r3 W/ U2 H1 q/ M% e6. Johnson, W. and Yao, N. (2023). Abelian groups definable in p-adically closed fields. Journal of Symbolic Logic (online first).3 k2 S( S Y6 a$ H9 d% Y
7. Johnson, W. and Ye, J. (2023). A note on geometric theories of fields. Model Theory 2(1): 121-132. I2 D7 g- e; s1 v* ^5 U
8. Johnson, W. (2023). Type-definable NIP fields are Artin-Schreier closed. Fundamenta Mathematicae 260:251-261. ~: s& v0 t. z& o }, h
9. Johnson, W. (2023). A note on fsg groups in p-adically closed fields. Mathematical Logic Quarterly 69(1):50-57.3 V, |5 z- @6 H* o, C+ @
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.
/ _) z0 H4 h' q- Q. `2 ~' u. H$ _11. Johnson, W. (2023). The classification of dp-minimal and dp-small fields. Journal of the European Mathematical Society 25(2): 467-513.& I. \: ]' Z r D6 ^9 c6 r
12. Johnson, W. (2022). Henselianity in NIP Fp-algebras. Model Theory 1(1): 115-128.& C6 P2 x- y4 a; S
13. Johnson, W. and Yao, N. (2022). On non-compact p-adic definable groups. Journal of Symbolic Logic 87(1):188-213. }/ b- d6 {. C6 ?# Z3 b, f
14. Johnson, W. (2022). A criterion for uniform finiteness in the imaginary sorts. Archive for Mathematical Logic 61: 583-589.7 B7 w, S* O' V8 p4 _
15. Johnson, W. (2022). Forking and dividing in fields with several orderings and valuations. Journal of Mathematical Logic 22(1): 2150025.- _# B+ p3 U( ]5 E
16. Johnson, W. (2022). Counting mod n in pseudofinite fields. Israel Journal of Mathematics 247: 697-739.
0 w. |2 X- b; T/ }& U17. Johnson, W. (2021). Dp-finite fields I(B): positive characteristic. Annals of Pure and Applied Logic 172(6):102949.
]/ J7 _4 {' x; ~1 N# v) D, Q6 g4 K18. Johnson, W. (2021). Dp-finite fields I(A): the infinitesimals. Annals of Pure and Applied Logic 172(6):102947.
* Q8 o/ Z0 [) G- [6 }, l S19. 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.
$ ?7 J+ ^0 N2 g4 e I20. Johnson, W. (2018). The canonical topology on dp-minimal fields. J. Math. Logic 18(2): 1850007.$ t* i2 E3 z* S8 X' v" M- l
21. Johnson, W. (2018). Interpretable sets in dense o-minimal structures. J. Symbolic Logic 83(4): 1477-1500.
3 _7 X) L$ c. j- {22. Appendix to Freitag, J., Li, W., Scanlon, T. and Johnson, W. (2017). Differential Chow varieties exist. J. London Math. Soc. 95: 128-156.3 f- i+ a9 \5 @8 [1 M
23. Johnson, W. (2014). The combinatorial game theory of well-tempered scoring games. International Journal of Game Theory 43: 415-438.' ^" ~1 a4 C# x( s, m; W) e+ O
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参加的会议 Conference Talks
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1. A classification of dp-minimal integral domains. 2024 Beijing Model Theory Conference, China. k1 m8 M4 l# J# c* u9 X! y2 M1 ]
2. C-minimal fields are geometric. 2023 Asian Logic Conference, Tianjin, China.
5 j" R) M% X4 r* V3. Generic differentiability and the P-minimal group conjectures of Onshuus and Pillay. 2023 Beijing Logic Meeting, China.. e# c7 T' J7 H8 X
4. Around NIP Noetherian domains. 2023 conference Model theory of valued fields at CIRM, Marseille, France.
/ P; a/ ?5 y$ }" ~7 u- u5. Dolich and Goodrick's visceral theories. 2021 Delta15 Logic Workshop, Nanjing, China.8 @6 `6 O9 E9 @( ]: p- P& T
6. On non-compact p-adic definable groups. 2021 Workshop on Trends in Pure and Applied Model Theory, Fields institute, Toronto, Canada.
7 \, N, K5 E6 \4 E t4 V2 @) O7. V-topologies and beyond. 2020 Chinese Mathematical Society Annual Conference, Shijiazhuang, China.4 B% {9 g, Q8 i$ `# F9 A
8. An update on dp-finite fields. 2019 Chinese Annual Conference on Mathematical Logic, Chongqing, China.) r S9 P! T: D" B1 \6 {
9. From modular lattices to valuation rings. 2019 conference Model Theory of Valued fields and Applications, University of Münster, Germany.) G) t" Q! | G, a
10. Multi-valued algebraically closed fields are NTP2. 2018 workshop Model Theory of Valued Fields, IHP, Paris, France.
/ i z5 z1 U3 |8 @" q1 K11. When does Teq eliminate ∃∞? 2016 North American meeting of the Association for Symbolic Logic, Storrs, US.
& y' |& m C4 \3 x i12. On dp-minimal fields. 2015 Neostability Theory meeting in Oaxaca, Mexico.: X9 w! J6 z: L) z
13. Interpretable sets in o-minimal structures. 2015 North American meeting of the ASL, Urbana-Champaign, US.
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预印本 Preprints4 _3 L+ i6 D& G' L8 E" X4 Q
, Q3 [, K7 N, S7 Z1. with Yatir Halevi and Christian d'Elbée. The classification of dp-minimal integral domains (2024). arXiv:2405.21014.$ b8 J3 w3 F+ ]- s8 z
2. Generic differentiability and P-minimal groups (2024). arXiv:2404.17234.
* Y( ^$ a5 n( _& B- m3. Visceral theories without assumptions (2024). arXiv:2404.11453.5 O% V, ]& @5 x) R9 D: k# l P' b
4.C-minimal fields have the exchange property (2024). arXiv:2403.17478.
- X. ?4 C6 q# c7 K" x5. Dp-finite and Noetherian NIP integral domains (2023). arXiv:2302.03315.1 K; q# N# m2 q C
6. Dp-finite fields VI: the dp-finite Shelah conjecture (2020). arXiv:2005.13989.
+ ^+ ?- I/ C$ ~0 N8 P/ d/ V7. Dp-finite fields V: topological fields of finite weight (2020). arXiv:2004.14732.* i' Y! b# W/ z* E: R% r
8. Dp-finite fields IV: the rank 2 picture (2020). arXiv:2003.09130.
- \0 i! I8 R5 f |% j9. Dp-finite fields III: inflators and directories (2019). arXiv:1911.04727.3 A8 ^. P- E4 Z* `; e7 @
10. Dp-finite fields II: the canonical topology and its relation to henselianity (2019). arXiv:1910.05932. K% @% A9 ?% Q. d! R h5 {6 S
11. Finite burden in multivalued algebraically closed fields (2019). arXiv:1905.04991.
( ]+ l9 w1 ^. ?+ Q- T12. Circular planar resistor networks with nonlinear and signed conductors (2012). arXiv:1203.4045.& i: t/ z9 z1 x* w% _
13. The knotting-unknotting game played on sums of rational shadows (2011). arXiv:1107.2635..# R0 o1 { t8 I5 s
2 b6 C8 h7 o8 t其他 Miscellaneous
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1.Fun with Fields (2016). PhD dissertation, UC Berkeley.
1 y5 ^+ I X2 x1 k6 Y. F2.Combinatorial Game Theory, Well-Tempered Scoring Games, and a Knot Game (2011). Undergraduate Senior Thesis, University of Washington.+ D2 w: D3 {! r! e; k+ s
: `9 y; [4 f6 Q: ~4 ]1 [2 Q! r- [荣誉及获奖 Grants and Awards
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! ]+ D$ V9 ?8 Y" ]1 x& Z1 Y& v2022 National Natural Science Foundation of China Young Science Fund Project
; M* a+ l* x( S9 e" q/ L. \+ X+ \2018 NSF Mathematical Sciences Postdoctoral Research Fellowship
6 f! r l1 v; a, U) l! r2016 Sacks Prize for outstanding dissertation in mathematical logic (Association for Symbolic Logic)
' K, E5 O6 @6 [- F2016 Herb Alexander Prize for an outstanding dissertation in pure mathematics (UC Berkeley)# U: p D$ {$ `# s
2011 NSF Graduate Research Fellow
4 u' \4 A: @" y/ O. `2009 Putnam Fellow7 Q ]( h8 H, R# j. o
2008, 2010 honorable mention in Putnam contest4 u: M( b! }* l
2011 Dean’s Medalist in the Natural Sciences (University of Washington)
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开设课程 Courses
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Introduction to Model Theory, Fall semesters 2020-2024, Fudan University
7 j2 K+ I3 q% ^: E9 D6 ]Advanced Model Theory, Spring semesters 2021-2024, Fudan University |
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发表于 2025-7-8 18:29:59
