Kaj Nyström

Kaj Nyström

Uppsala Universitet

H-index: 26

Europe-Sweden

About Kaj Nyström

Kaj Nyström, With an exceptional h-index of 26 and a recent h-index of 15 (since 2020), a distinguished researcher at Uppsala Universitet, specializes in the field of Analysis, Partial differential equations, Machine learning, Deep learning.

His recent articles reflect a diverse array of research interests and contributions to the field:

Higher order interpolative geometries and gradient regularity in evolutionary obstacle problems

Tug-of-war with Kolmogorov

Asymptotic mean value formulas, nonlocal space-time parabolic operators and anomalous tug-of-war games

A note on fundamental solutions and Gaussian bounds for degenerate parabolic equations with time-dependent coefficients

Solvability of the Dirichlet problem for the heat equation is equivalent to parabolic uniform rectifiability in the case of a parabolic Lipschitz graph

Solvability of the L^ p Dirichlet problem for the heat equation is equivalent to parabolic uniform rectifiability in thecase of a parabolic Lipschitz graph

A structure theorem for elliptic and parabolic operators with applications to homogenization of operators of Kolmogorov type

On local regularity estimates for fractional powers of parabolic operators with time-dependent measurable coefficients

Kaj Nyström Information

University

Position

Professor Mathematical Analysis

Citations(all)

2691

Citations(since 2020)

1597

Cited By

1788

hIndex(all)

26

hIndex(since 2020)

15

i10Index(all)

59

i10Index(since 2020)

33

Email

University Profile Page

Uppsala Universitet

Google Scholar

View Google Scholar Profile

Kaj Nyström Skills & Research Interests

Analysis

Partial differential equations

Machine learning

Deep learning

Top articles of Kaj Nyström

Title

Journal

Author(s)

Publication Date

Higher order interpolative geometries and gradient regularity in evolutionary obstacle problems

Journal de Mathématiques Pures et Appliquées

Sunghan Kim

Kaj Nyström

2024/3/4

Tug-of-war with Kolmogorov

Journal of Differential Equations

Carmina Fjellström

Kaj Nyström

Matias Vestberg

2023/1/5

Asymptotic mean value formulas, nonlocal space-time parabolic operators and anomalous tug-of-war games

Journal of Differential Equations

Carmina Fjellström

Kaj Nyström

Yuqiong Wang

2023/1/5

A note on fundamental solutions and Gaussian bounds for degenerate parabolic equations with time-dependent coefficients

arXiv e-prints

Alireza Ataei

Kaj Nyström

2023/3

Solvability of the Dirichlet problem for the heat equation is equivalent to parabolic uniform rectifiability in the case of a parabolic Lipschitz graph

arXiv preprint arXiv:2306.17291

Simon Bortz

Steven Hofmann

José María Martell

Kaj Nyström

2023/6/29

Solvability of the L^ p Dirichlet problem for the heat equation is equivalent to parabolic uniform rectifiability in thecase of a parabolic Lipschitz graph

Simon Bortz

Steve Hofmann

Jose Maria Martell

Kaj Nyström

2023

A structure theorem for elliptic and parabolic operators with applications to homogenization of operators of Kolmogorov type

Analysis & PDE

Malte Litsgård

Kaj Nyström

2023/9/21

On local regularity estimates for fractional powers of parabolic operators with time-dependent measurable coefficients

Journal of Evolution Equations

Malte Litsgård

Kaj Nyström

2023/3

Carleson measure estimates for caloric functions and parabolic uniformly rectifiable sets

Anal. PDE

Simon Bortz

John Hoffman

Steve Hofmann

JL Luna Garcia

Kaj Nyström

2023/1

A Galerkin type method for kinetic Fokker Planck equations based on Hermite expansions

arXiv preprint arXiv:2305.14234

Benny Avelin

Mingyi Hou

Kaj Nyström

2023/5/23

Corona decompositions for parabolic uniformly rectifiable sets

The Journal of Geometric Analysis

Simon Bortz

John Hoffman

Steve Hofmann

José Luis Luna-Garcia

Kaj Nyström

2023/3

On fundamental solutions and Gaussian bounds for degenerate parabolic equations with time-dependent coefficients

arXiv preprint arXiv:2303.02606

Alireza Ataei

Kaj Nyström

2023/3/5

Solving the Dirichlet problem for the Monge–Ampère equation using neural networks

Journal of Computational Mathematics and Data Science

Kaj Nyström

Matias Vestberg

2023/8/1

Hawkes-based models for high frequency financial data

Journal of the Operational Research Society

Kaj Nyström

Changyong Zhang

2022/10/3

Coronizations and big pieces in metric spaces

Annales de l'Institut Fourier

Simon Bortz

John Hoffman

Steve Hofmann

Jose Luis Luna-Garcia

Kaj Nyström

2022

The Kato square root problem for weighted parabolic operators

arXiv preprint arXiv:2209.11104

Alireza Ataei

Moritz Egert

Kaj Nyström

2022/9/22

Potential theory for a class of strongly degenerate parabolic operators of Kolmogorov type with rough coefficients

Journal de Mathématiques Pures et Appliquées

Malte Litsgård

Kaj Nyström

2022/1/1

Square function estimates for the evolutionary p-Laplace equation

arXiv preprint arXiv:2209.06705

Kaj Nyström

2022/9/14

Deep learning, stochastic gradient descent and diffusion maps

Journal of Computational Mathematics and Data Science

Carmina Fjellström

Kaj Nyström

2022/8/1

The Kato square root problem for parabolic operators with an anti-symmetric part in BMO

arXiv preprint arXiv:2210.01663

Alireza Ataei

Kaj Nyström

2022/10/4

See List of Professors in Kaj Nyström University(Uppsala Universitet)