Wiesława Krystyna Nizioł (pronounced ) is a Polish mathematician, director of research at CNRS, based at Institut mathématique de Jussieu. Her research concerns arithmetic geometry, and in particular p-adic Hodge theory, Galois representations, and p-adic cohomology.
Education and career Nizioł earned an M.S. in computer science from the University of Warsaw in 1984. She was employed as an assistant professor at the University of Warsaw from 1984 to 1988.
After beginning doctoral studies in computer science at Stanford University under the supervision of Andrew Yao, she followed him to Princeton University, but she switched to mathematics,Wiesława Nizioł Curriculum Vitae imj-prg.fr and received her Ph.D. in 1991 from Princeton University under the supervision of Gerd Faltings.
Thereafter she held temporary positions at Harvard University, the University of Chicago and University of Minnesota before joining the University of Utah in 1996. More recently, she has spent time at the Institute for Advanced Study in 2010 as a visitor and in 2017 and 2024 as a member as well as at the Mathematical Sciences Research Institute in 2014, 2018 and 2023 as part of programs on perfectoid spaces, the homological conjectures and Euler systems, respectively.
She moved to France in 2012 as a directrice de recherches at CNRS, first in École normale supérieure de Lyon and, since 2020 at Institut mathématique de Jussieu in Paris.
Mathematical work She studies the cohomology of -adic varieties. Her contributions include: Comparison theorems, via motivic methods, between de Rham and -adic étale cohomologies of algebraic varieties over -adic fields (proofsCrystalline Conjecture via K-theory, Ann. Sci. École Norm. Sup. 31 (1998), 659–681.Semistable Conjecture via K-theory, Duke Math. J. 141 (2008), 151–178. of the conjectures and of Fontaine). A definitionSyntomic cohomology and regulators for varieties over -adic fields, Algebra Number Theory 10 (2016), 1695–1790 (with Jan Nekovář).On p-adic absolute Hodge cohomology and syntomic coefficients, I, Comment. Math. Helv. 93 (2018), 71-131 (with Frédéric Déglise). for -adic algebraic varieties, of a -adic analog (the syntomic cohomology) of the classical Deligne cohomology for algebraic varieties over the real numbers. A comparison theorem,-adic vanishing cycles and syntomic cohomology, Invent. math. 208 (2017), 1-108 (with Pierre Colmez). via syntomic methods, for -adic analytic varieties, and the computationCohomologie -adique de la tour de Drinfeld, le cas de la dimension 1, J. AMS 33 (2020), 311–362 (with Pierre Colmez and Gabriel Dospinescu).Cohomology of -adic Stein spaces, Invent. Math. 219 (2020), 873–985 (with Pierre Colmez and Gabriel Dospinescu). of the -adic étale cohomology of various -adic symmetric spaces with applications to the -adic local Langlands correspondence.
Recognition She was an Invited Speaker at the 2006 International Congress of Mathematicians, with a talk entitled "p-adic motivic cohomology in arithmetic".ICM 2006 , retrieved 2015-07-31. She was elected a member of Academia Europaea in 2021,Member profile, Academia Europaea, retrieved 2022-02-06 and as a Fellow of the American Mathematical Society, in the 2025 class of fellows.. She is recipient of the Sierpiński Medal of the University of Warsaw and the Polish Mathematical Society, 2025 https://www.ptm.org.pl/zawartosc/wies%C5%82awa-nizio%C5%82-laureatk%C4%85-medalu-i-wyk%C5%82adu-im-wac%C5%82awa-sierpi%C5%84skiego-2025
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