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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
; t5 x1 {$ e/ Y0 J8 O, `: m& l错了，这次复旦哲学系有一个老师作报告，哈哈
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, S9 R1 a4 D9 P* v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( N e S3 x0 ~+ Z, F4 v* ~
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William Johnson
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个人简介 Personal profile
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School of Philosophy, Fudan University, 220 Handan Road, Shanghai, China 200433.
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教育和工作经历 Education and Work Experience& M$ p w' o7 K) I" a0 C9 b# q
6 q: Y+ i3 G9 T, W7 c0 v. \教育经历 Education& I: N; Q9 }3 f( [ X r
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Ph.D. Mathematics, University of California Berkeley, Aug 2011–Jun 2016. Dissertation: Fun with Fields. Advised by Tom Scanlon.
, l ^; B; r: K% ZB.S. Mathematics and Computer Science, University of Washington, Sep 2007–Jun 2011. Thesis: Combinatorial Game Theory, Well-Tempered Scoring Games, and a Knot Game.& t O+ ^5 f% \8 x; D
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工作经历 Work Experience
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9 y4 [; s& E, p5 ^1 t ]/ J b1 nAssociate Professor. Fudan University School of Philosophy, Dec. 2022–present. 9 l2 T( }" X; P
Young associate researcher. Fudan University School of Philosophy, Sep. 2020–Dec. 2022. 1 r% l3 M, Q7 t
Postdoc. Fudan University School of Mathematical Sciences, Oct 2018–Aug. 2020.
1 G8 I8 {% i; \, WSoftware Engineer. Niantic, Inc., Jan 2016–Jul 2018.
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6 |, n- L- {, u# b1 F! n研究方向 Research Interests
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* O+ J* T) t0 D$ C% mModel theory of fields and valued fields) e) ?! j. u. p P4 H
Neostability: strongly dependent theories, NTP2 theories, dp-rank, o-minimality p$ O6 R q. S% f: ^( @0 k8 |
Pseudofinite fields and ACFA
) n9 c( R7 Z0 Z( `Definable groups and tame topology% O5 M3 Y; m5 ?! M7 B
Applications of cohomology and category theory to model theory
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主要学术成果 Academic Achievements$ |! F- Y5 d C; [' N
' a- X' k5 l# J0 K- V3 u- H代表性论文 Academic Papers: k. m1 [0 F; c( H& f& l
6 @! z7 l, {1 i$ j2 A1. Johnson, W. and Ye, J. (2024). Curve-excluding fields. Journal of the European Mathematical Society (accepted).3 Z$ y6 U/ ]+ O# g) Y; |
2. Andújar Guerrero, P. and Johnson, W. (2024). Around definable types in p-adically closed fields. Annals of Pure and Applied Logic 175(10): 103484.8 S* I+ Y0 a3 f# o- e( 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).
: \7 g" M) l" [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.! I5 Q1 m8 F9 Z) K9 p
5. Johnson, W. (2023). Topologizing interpretable groups in p-adically closed fields. Notre Dame Journal of Formal Logic 64(4): 571-609.
9 {% J6 z1 q) ?- E5 v6. Johnson, W. and Yao, N. (2023). Abelian groups definable in p-adically closed fields. Journal of Symbolic Logic (online first).: x$ D+ a6 ^% R, j9 {* y( z
7. Johnson, W. and Ye, J. (2023). A note on geometric theories of fields. Model Theory 2(1): 121-132.+ M) P4 ^- M) V
8. Johnson, W. (2023). Type-definable NIP fields are Artin-Schreier closed. Fundamenta Mathematicae 260:251-261.( a" ~' }0 L9 Y; h0 g' F* Z
9. Johnson, W. (2023). A note on fsg groups in p-adically closed fields. Mathematical Logic Quarterly 69(1):50-57., f$ m) R& L1 H- `9 c1 I
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.
/ I" f$ u+ B! _+ I8 y1 P11. Johnson, W. (2023). The classification of dp-minimal and dp-small fields. Journal of the European Mathematical Society 25(2): 467-513.
5 ^( c u& U9 d, v- ?* R/ E4 s6 W12. Johnson, W. (2022). Henselianity in NIP Fp-algebras. Model Theory 1(1): 115-128.7 ]. m, l" W; c' y
13. Johnson, W. and Yao, N. (2022). On non-compact p-adic definable groups. Journal of Symbolic Logic 87(1):188-213.
$ t& [0 F3 L! C5 L5 z. D5 v14. Johnson, W. (2022). A criterion for uniform finiteness in the imaginary sorts. Archive for Mathematical Logic 61: 583-589.
$ H3 L% r9 d8 T1 E0 _% m15. Johnson, W. (2022). Forking and dividing in fields with several orderings and valuations. Journal of Mathematical Logic 22(1): 2150025.8 ~ @: Y- Y4 k- I" z0 V; s
16. Johnson, W. (2022). Counting mod n in pseudofinite fields. Israel Journal of Mathematics 247: 697-739.9 L- D" O K" r c. V# P$ w; O
17. Johnson, W. (2021). Dp-finite fields I(B): positive characteristic. Annals of Pure and Applied Logic 172(6):102949.3 x" G! z J5 a8 m3 n; _
18. Johnson, W. (2021). Dp-finite fields I(A): the infinitesimals. Annals of Pure and Applied Logic 172(6):102947.4 d% c% {! X( V5 X+ R' j
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 A' d$ u1 ^/ d' x& X) i' B* ^) z20. Johnson, W. (2018). The canonical topology on dp-minimal fields. J. Math. Logic 18(2): 1850007.
2 T( h' t" \- k: t7 M21. Johnson, W. (2018). Interpretable sets in dense o-minimal structures. J. Symbolic Logic 83(4): 1477-1500., O# L% R8 t" d! F1 t+ H1 {
22. Appendix to Freitag, J., Li, W., Scanlon, T. and Johnson, W. (2017). Differential Chow varieties exist. J. London Math. Soc. 95: 128-156.- ^- m1 y) J Z5 i5 T, K2 I" J
23. Johnson, W. (2014). The combinatorial game theory of well-tempered scoring games. International Journal of Game Theory 43: 415-438.
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参加的会议 Conference Talks
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! |2 p! G& ~2 R4 y$ h3 r3 @1. A classification of dp-minimal integral domains. 2024 Beijing Model Theory Conference, China.2 I+ [4 j& g9 k
2. C-minimal fields are geometric. 2023 Asian Logic Conference, Tianjin, China.
: o9 O: j' V$ }6 g5 H* s3. Generic differentiability and the P-minimal group conjectures of Onshuus and Pillay. 2023 Beijing Logic Meeting, China.
, ~( ~) _( X' s3 q! P, U% K4 \ Y4. Around NIP Noetherian domains. 2023 conference Model theory of valued fields at CIRM, Marseille, France.
/ p3 m \6 N) ~7 I+ k1 E5. Dolich and Goodrick's visceral theories. 2021 Delta15 Logic Workshop, Nanjing, China.% B/ l" Q% @ g8 g
6. On non-compact p-adic definable groups. 2021 Workshop on Trends in Pure and Applied Model Theory, Fields institute, Toronto, Canada.
4 w, D6 p! R( W* G7. V-topologies and beyond. 2020 Chinese Mathematical Society Annual Conference, Shijiazhuang, China.
% ~$ Z. `! T. `4 T7 o8. An update on dp-finite fields. 2019 Chinese Annual Conference on Mathematical Logic, Chongqing, China., e0 v6 Q) A2 ]; }
9. From modular lattices to valuation rings. 2019 conference Model Theory of Valued fields and Applications, University of Münster, Germany.$ O" p4 V) u9 Z
10. Multi-valued algebraically closed fields are NTP2. 2018 workshop Model Theory of Valued Fields, IHP, Paris, France.; d+ h7 Y% M; Q8 q8 q
11. When does Teq eliminate ∃∞? 2016 North American meeting of the Association for Symbolic Logic, Storrs, US.
8 L. A ^0 J# n12. On dp-minimal fields. 2015 Neostability Theory meeting in Oaxaca, Mexico.2 q( s# V! h2 m. x8 k2 |+ f Y
13. Interpretable sets in o-minimal structures. 2015 North American meeting of the ASL, Urbana-Champaign, US./ H5 \/ U" T0 q3 F3 g. N
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预印本 Preprints/ Y/ X2 d3 w( M6 R6 B
$ @2 e; Q0 L& C7 k( y! ]1. with Yatir Halevi and Christian d'Elbée. The classification of dp-minimal integral domains (2024). arXiv:2405.21014.
0 J3 F" Y, h8 Y+ Q2. Generic differentiability and P-minimal groups (2024). arXiv:2404.17234.
1 w/ v7 o. Z! K! k8 I% h+ t/ p3. Visceral theories without assumptions (2024). arXiv:2404.11453.1 m ]/ o. l O; d6 O+ t6 h
4.C-minimal fields have the exchange property (2024). arXiv:2403.17478.
2 _. L+ j+ A/ ?0 F; M. o5. Dp-finite and Noetherian NIP integral domains (2023). arXiv:2302.03315." \$ D- F9 |) q& W$ a6 K, c
6. Dp-finite fields VI: the dp-finite Shelah conjecture (2020). arXiv:2005.13989.% y: \! O! I; ^* y7 l
7. Dp-finite fields V: topological fields of finite weight (2020). arXiv:2004.14732.
# T/ X* C+ w! M( g% F8. Dp-finite fields IV: the rank 2 picture (2020). arXiv:2003.09130.. D1 x; v( N# N4 | S
9. Dp-finite fields III: inflators and directories (2019). arXiv:1911.04727.
% `; e' F7 T( F1 A6 e! p10. Dp-finite fields II: the canonical topology and its relation to henselianity (2019). arXiv:1910.05932.
3 A k1 N/ E; G7 K- } d11. Finite burden in multivalued algebraically closed fields (2019). arXiv:1905.04991.( X9 u0 O. [# v7 @0 [; U
12. Circular planar resistor networks with nonlinear and signed conductors (2012). arXiv:1203.4045.
' O5 F8 n, g; M0 Q9 U: P13. The knotting-unknotting game played on sums of rational shadows (2011). arXiv:1107.2635..
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其他 Miscellaneous
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1.Fun with Fields (2016). PhD dissertation, UC Berkeley.9 `) R$ W# @0 X% Q" {: q9 J
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 Awards
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2022 National Natural Science Foundation of China Young Science Fund Project' r" n0 h0 O4 {; ~ Z/ F5 c' Z
2018 NSF Mathematical Sciences Postdoctoral Research Fellowship
% w* `- j# _. g i9 T* x, h+ [( i2016 Sacks Prize for outstanding dissertation in mathematical logic (Association for Symbolic Logic)
, ?9 e& Q, i3 z7 D) @. U' x2016 Herb Alexander Prize for an outstanding dissertation in pure mathematics (UC Berkeley)
3 ^0 Z2 q9 P- ~* @8 w2011 NSF Graduate Research Fellow! T2 a) {6 K; S
2009 Putnam Fellow4 i4 G% }% E* ^' j% e# ^, @
2008, 2010 honorable mention in Putnam contest# A6 G. w+ {' o) f: B
2011 Dean’s Medalist in the Natural Sciences (University of Washington)
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开设课程 Courses
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. B: Q: O% k4 y0 n# @% qIntroduction to Model Theory, Fall semesters 2020-2024, Fudan University
2 J/ Z! K+ J, L. h: C! f8 c3 kAdvanced Model Theory, Spring semesters 2021-2024, Fudan University |
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发表于 2025-7-8 18:29:59
