Kaj Nyström

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Person:342999

Available identifiers

zbMath Open nystrom.kajWikidataQ29922057 ScholiaQ29922057MaRDI QIDQ342999

List of research outcomes

PublicationDate of PublicationType
On regularity and existence of weak solutions to nonlinear Kolmogorov-Fokker-Planck type equations with rough coefficients2024-03-14Paper
A structure theorem for elliptic and parabolic operators with applications to homogenization of operators of Kolmogorov type2024-01-09Paper
Square function estimates for the evolutionary \(p\)-Laplace equation2023-08-02Paper
Solvability of the $L^p$ Dirichlet problem for the heat equation is equivalent to parabolic uniform rectifiability in the case of a parabolic Lipschitz graph2023-06-29Paper
A Galerkin type method for kinetic Fokker Planck equations based on Hermite expansions2023-05-23Paper
On fundamental solutions and Gaussian bounds for degenerate parabolic equations with time-dependent coefficients2023-03-05Paper
On local regularity estimates for fractional powers of parabolic operators with time-dependent measurable coefficients2022-12-19Paper
Asymptotic mean value formulas, nonlocal space-time parabolic operators and anomalous tug-of-war games2022-11-11Paper
Tug-of-war with Kolmogorov2022-11-11Paper
The Kato square root problem for parabolic operators with an anti-symmetric part in BMO2022-10-04Paper
The Kato square root problem for weighted parabolic operators2022-09-22Paper
Potential theory for a class of strongly degenerate parabolic operators of Kolmogorov type with rough coefficients2022-01-07Paper
The Dirichlet problem for Kolmogorov-Fokker-Planck type equations with rough coefficients2021-09-27Paper
On the fine properties of parabolic measures associated to strongly degenerate parabolic operators of Kolmogorov type2021-07-08Paper
Neural ODEs as the deep limit of ResNets with constant weights2021-06-23Paper
Corona Decompositions for Parabolic Uniformly Rectifiable Sets2021-03-23Paper
Parabolic Singular Integrals with Nonhomogeneous Kernels2021-03-23Paper
\(L^2\) well-posedness of boundary value problems for parabolic systems with measurable coefficients2020-12-17Paper
Data-driven discovery of PDEs in complex datasets2020-12-10Paper
Coronizations and big pieces in metric spaces2020-08-26Paper
Neural ODEs as the Deep Limit of ResNets with constant weights2019-06-28Paper
The Dirichlet problem for second order parabolic operators in divergence form2018-12-04Paper
Boundary behavior of solutions to the parabolic \(p\)-Laplace equation2018-08-31Paper
Quasi-linear PDEs and low-dimensional sets2018-06-21Paper
On the parabolic Lipschitz approximation of parabolic uniform rectifiable sets2018-01-04Paper
The A-property of the Kolmogorov measure2017-09-07Paper
The weak-\(A_\infty\) property of harmonic and \(p\)-harmonic measures implies uniform rectifiability2017-05-02Paper
A new characterization of chord-arc domains2017-04-18Paper
\(L^{2}\) solvability of boundary value problems for divergence form parabolic equations with complex coefficients2016-12-22Paper
Boundedness of single layer potentials associated to divergence form parabolic equations with complex coefficients2016-11-18Paper
Reflected BSDE of Wiener-Poisson type in time-dependent domains2016-06-09Paper
Kolmogorov-Fokker-Planck equations: comparison principles near Lipschitz type boundaries2016-06-03Paper
Extension properties and boundary estimates for a fractional heat operator2016-05-04Paper
Remarks on the Skorohod problem and reflected Lévy driven SDEs in time-dependent domains2016-04-27Paper
Square function estimates and the Kato problem for second order parabolic operators in \(\mathbb{R}^{n + 1}\)2016-03-22Paper
The Hadamard variational formula and the Minkowski problem for \(p\)-capacity2015-10-28Paper
Boundary estimates for non-negative solutions to non-linear parabolic equations2015-09-11Paper
Optimal switching problems under partial information2015-08-07Paper
Boundary estimates for solutions to linear degenerate parabolic equations2015-07-23Paper
https://portal.mardi4nfdi.de/entity/Q52581462015-06-25Paper
Systems of variational inequalities for non-local operators related to optimal switching problems: existence and uniqueness2014-11-13Paper
Tug-of-war, market manipulation and option pricing2014-10-07Paper
MARKET MAKING AND PORTFOLIO LIQUIDATION UNDER UNCERTAINTY2014-09-25Paper
A boundary Harnack inequality for singular equations of 𝑝-parabolic type2014-09-12Paper
Systems of variational inequalities in the context of optimal switching problems and operators of Kolmogorov type2014-09-11Paper
Estimates for solutions to equations of \(p\)-Laplace type in Ahlfors regular NTA-domains2014-08-06Paper
Cauchy integrals for the p-Laplace equation in planar Lipschitz domains2014-08-06Paper
Harnack estimates for degenerate parabolic equations modeled on the subelliptic \(p\)-Laplacian2014-04-15Paper
Sharp regularity for evolutionary obstacle problems, interpolative geometries and removable sets2014-01-29Paper
On the dimension of \(p\)-harmonic measure in space2014-01-07Paper
Wolff-potential estimates and doubling of subelliptic \(p\)-harmonic measures2013-12-19Paper
A framework for the modeling of order book dynamics based on event sizes2013-11-29Paper
\(p\)-harmonic functions in the Heisenberg group: boundary behaviour in domains well-approximated by non-characteristic hyperplanes2013-09-23Paper
A Carleson-type estimate in Lipschitz type domains for non-negative solutions to Kolmogorov operators2013-08-28Paper
Boundary behavior of non-negative solutions to degenerate sub-elliptic equations2013-04-17Paper
Non-divergence form parabolic equations associated with non-commuting vector fields: boundary behavior of nonnegative solutions2012-09-21Paper
Regularity and free boundary regularity for the $p$-Laplace operator in Reifenberg flat and Ahlfors regular domains2012-06-25Paper
The obstacle problem for parabolic non-divergence form operators of Hörmander type2012-05-07Paper
Regularity of flat free boundaries in two-phase problems for the \(p\)-Laplace operator2012-04-24Paper
A boundary estimate for non-negative solutions to Kolmogorov operators in non-divergence form2012-03-08Paper
On an inverse type problem for the heat equation in parabolic regular graph domains2012-02-14Paper
Weak Approximation of Obliquely Reflected Diffusions on Time-dependent Domains2012-01-27Paper
New results for \(p\) harmonic functions2012-01-05Paper
\(p\) harmonic measure in simply connected domains2011-11-17Paper
Optimal doubling, Reifenberg flatness and operators of \(p\)-Laplace type2011-10-17Paper
The boundary Harnack inequality for solutions to equations of Aronsson type in the plane2011-05-18Paper
Boundary behavior and the Martin boundary problem for \(p\) harmonic functions in Lipschitz domains2011-02-11Paper
Boundary estimates for solutions to operators of \(p\)-Laplace type with lower order terms2011-01-10Paper
The Skorohod oblique reflection problem in time-dependent domains2010-11-18Paper
A note on Harnack inequalities and propagation sets for a class of hypoelliptic operators2010-10-27Paper
Regularity near the initial state in the obstacle problem for a class of hypoelliptic ultraparabolic operators2010-10-19Paper
Pricing and hedging of financial derivatives using a posteriori error estimates and adaptive methods for stochastic differential equations2010-10-11Paper
Regularity of Lipschitz free boundaries in two-phase problems for the \(p\)-Laplace operator2010-10-07Paper
Optimal regularity in the obstacle problem for Kolmogorov operators related to American Asian options2010-06-16Paper
Adaptive stochastic weak approximation of degenerate parabolic equations of Kolmogorov type2010-04-21Paper
On deposit volumes and the valuation of non-maturing liabilities2010-01-19Paper
On a two-phase free boundary condition for \(p\)-harmonic measures2009-08-27Paper
On Monte Carlo algorithms applied to Dirichlet problems for parabolic operators in the setting of time-dependent domains2009-06-12Paper
https://portal.mardi4nfdi.de/entity/Q35992772009-02-03Paper
https://portal.mardi4nfdi.de/entity/Q55061722009-01-28Paper
https://portal.mardi4nfdi.de/entity/Q35174632008-08-12Paper
Boundary behaviour of p-harmonic functions in domains beyond Lipschitz domains2008-08-11Paper
On area integral estimates for solutions to parabolic systems in time-varying and non-smooth cylinders2008-06-17Paper
Boundary behaviour for p harmonic functions in Lipschitz and starlike Lipschitz ring domains2008-02-25Paper
Regularity below the continuous threshold in a two-phase parabolic free boundary problem2008-02-22Paper
The boundary Harnack inequality for infinity harmonic functions in the plane2008-02-08Paper
On a parabolic symmetry problem2008-01-22Paper
On the behaviour near expiry for multi-dimensional American options2008-01-08Paper
https://portal.mardi4nfdi.de/entity/Q54242662007-11-05Paper
On blow-ups and the classification of global solutions to parabolic free boundary problems2007-01-04Paper
https://portal.mardi4nfdi.de/entity/Q54831952006-08-16Paper
Boundary value problems and duality between \(L^p\) Dirichlet and regularity problems for second order parabolic systems in non-cylindrical domains2006-06-06Paper
Caloric measure in parabolic flat domains2005-02-09Paper
https://portal.mardi4nfdi.de/entity/Q44587992004-03-15Paper
Dirichlet problems for a nonstationary linearized system of Navier-Stokes equations in non-cylindrical domains2003-10-22Paper
Boundary value problems for parabolic Lame systems in time-varying domains2000-06-07Paper
An estimate of a polynomial capacity1999-11-24Paper
Unique continuation on the boundary for Dini domains1998-03-24Paper
The Dirichlet problem for second order parabolic operators1997-12-07Paper
Integrability of Green potentials in fractal domains1997-04-23Paper

Research outcomes over time


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