Piotr Graczyk

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Person:395595

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zbMath Open graczyk.piotrMaRDI QIDQ395595

List of research outcomes

PublicationDate of PublicationType
Sharp estimates for the hypergeometric functions related to root systems of type $A$ and of rank $1$2023-11-09Paper
Integral kernels on complex symmetric spaces and for the Dyson Brownian Motion2023-10-09Paper
A formula and sharp estimates for the Dunkl kernel for the root system $A_2$2023-08-02Paper
Sharp estimates for \(W\)-invariant Dunkl and heat kernels in the \(A_n\) case2023-06-09Paper
Sharp estimates for the Opdam-Cherednik $W$-invariant heat kernel for the root system $A_1$2023-04-14Paper
Pattern recovery and signal denoising by SLOPE when the design matrix is orthogonal2023-01-19Paper
Potential kernels for radial Dunkl Laplacians2022-08-10Paper
Graphical Gaussian models associated to a homogeneous graph with permutation symmetries2022-07-27Paper
Model selection in the space of Gaussian models invariant by symmetry2022-06-24Paper
Model selection in the space of Gaussian models invariant by symmetry2022-06-01Paper
Wigner and Wishart ensembles for sparse Vinberg models2022-05-09Paper
Pattern recovery by SLOPE2022-03-22Paper
Sharp estimates of radial Dunkl and heat kernels in the complex case \(A_n\)2021-06-23Paper
Analysis on Lambert-Tsallis functions2020-11-11Paper
Wigner and Wishart Ensembles for graphical models2020-08-10Paper
Wishart laws and variance function on homogeneous cones2020-05-13Paper
Model selection in the space of Gaussian models invariant by symmetry2020-04-07Paper
Convolution of orbital measures on symmetric spaces: A survey2019-07-19Paper
Wishart exponential families on cones related to tridiagonal matrices2019-05-17Paper
On squared Bessel particle systems2019-04-30Paper
Space and time inversions of stochastic processes and Kelvin transform2019-04-25Paper
On the Green function and Poisson integrals of the Dunkl Laplacian2018-04-17Paper
A characterization of Wishart processes and Wishart distributions2018-04-13Paper
On the Letac-Massam conjecture on cones \(Q_{A_n}\)2017-08-18Paper
Inversion, duality and Doob \(h\)-transforms for self-similar Markov processes2017-03-03Paper
Wishart exponential families on cones related to An graphs2017-02-13Paper
On Inversions and Doob h-Transforms of Linear Diffusions2016-04-13Paper
Wallach sets and squared Bessel particle systems2016-02-04Paper
Strong Logarithmic Sobolev Inequalities for Log-Subharmonic Functions2015-12-18Paper
Fisher Information and Exponential Families Parametrized by a Segment of Means2015-09-09Paper
On a functional equation appearing in characterization of distributions by the optimality of an estimate2015-06-19Paper
CONVOLUTION OF ORBITAL MEASURES ON SYMMETRIC SPACES OF TYPE AND2015-03-27Paper
Strong solutions of non-colliding particle systems2015-02-03Paper
https://portal.mardi4nfdi.de/entity/Q49816762014-06-24Paper
Riesz measures and Wishart laws associated to quadratic maps2014-04-11Paper
Multidimensional Yamada-Watanabe theorem and its applications to particle systems2014-02-05Paper
Martin representation and relative Fatou theorem for fractional Laplacian with a gradient perturbation2014-01-29Paper
On the product formula on noncompact Grassmannians2013-12-16Paper
Hitting half-spaces or spheres by Ornstein–Uhlenbeck type diffusions2013-02-15Paper
On exit time of stable processes2012-01-04Paper
Strong central limit theorem for isotropic random walks in \({\mathbb{R}^d}\)2011-11-07Paper
On Wiener-Hopf factors for stable processes2011-03-10Paper
Introduction2011-01-25Paper
https://portal.mardi4nfdi.de/entity/Q30641142010-12-20Paper
Absolute continuity of convolutions of orbital measures on Riemannian symmetric spaces2010-09-06Paper
THE SKITOVICH–DARMOIS THEOREM FOR LOCALLY COMPACT ABELIAN GROUPS2010-07-22Paper
Hypercontractivity for log-subharmonic functions2010-03-01Paper
Semigroups associated to generalized polynomials and some classical formulas2009-10-20Paper
https://portal.mardi4nfdi.de/entity/Q36152092009-03-17Paper
Exit Times and Poisson Kernels of the Ornstein–Uhlenbeck Diffusion2008-07-21Paper
The Moments of Wishart Processes via Itô Calculus2008-01-30Paper
Poisson kernels of half-spaces in real hyperbolic spaces2007-08-07Paper
On the Skitovich--Darmois Theorem for Discrete Abelian Groups2005-10-28Paper
A formula for polynomials with Hermitian matrix argument2005-08-22Paper
The hyperoctahedral group, symmetric group representations and the moments of the real Wishart distribution2005-05-20Paper
Higher order Riesz transforms, fractional derivatives, and Sobolev spaces for Laguerre expansions2005-05-04Paper
Transition density estimates for stable processes on symmetric spaces2005-05-03Paper
On the kernel of the product formula on symmetric spaces2005-03-14Paper
A composition formula for squares of Hermite polynomials and its generalizations2004-08-20Paper
Some Convexity Results for the Cartan Decomposition2003-12-03Paper
The complex Wishart distribution and the symmetric group2003-09-28Paper
https://portal.mardi4nfdi.de/entity/Q48014642003-07-13Paper
https://portal.mardi4nfdi.de/entity/Q47952912003-06-02Paper
Classical theorems of probability on Gelfand pairs -- Khinchin's theorem and Cramér's theorem2003-03-13Paper
The product formula for the spherical functions on symmetric spaces in the complex case.2002-10-22Paper
https://portal.mardi4nfdi.de/entity/Q27720442002-02-18Paper
On the Skitovich-Darmois theorem for compact Abelian groups2001-11-18Paper
https://portal.mardi4nfdi.de/entity/Q27397012001-09-13Paper
Factorization theorems on symmetric spaces of noncompact type2000-04-25Paper
https://portal.mardi4nfdi.de/entity/Q42133131998-11-25Paper
Function \(c\) on an ordered symmetric space1997-12-18Paper
https://portal.mardi4nfdi.de/entity/Q42909051996-01-07Paper
Cramér theorem on symmetric spaces of noncompact type1995-03-15Paper
Bochner and Schoenberg theorems on symmetric spaces in the complex case1995-02-01Paper
https://portal.mardi4nfdi.de/entity/Q42730051994-04-17Paper
Malliavin calculus for stable processes on homogeneous groups1992-06-27Paper
A central limit theorem on the space of positive definite symmetric matrices1992-01-01Paper
https://portal.mardi4nfdi.de/entity/Q38288011989-01-01Paper

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