activity
20132026
most citedBoundary Estimates for Certain Degenerate and Singular Parabolic Equations

17 citations · 45 across the 19 of their papers we have counts for

collaborators

22 papers

math.AP2026

Regularity of soda-can domains for the -parabolic equation

Benny Avelin, Mikko Parviainen

We classify the regularity of the origin for the -parabolic equation in the soda-can domains $$Θ_{l,θ}=\{(x,t)\in\mathbb{R}^n\times\mathbb{R}:0 < -t < θ|x|^l < θ\},\text{ where…

math.PR2026

-cut-off phenomenon for Galerkin projections of Fokker-Planck equations with monomial potentials

Benny Avelin, Gerardo Barrera

In this manuscript, we establish the existence/non-existence of the cut-off phenomenon for the Langevin--Kolmogorov random dynamics with monomial convex potentials, possible singul…

math.AP2026

Coarse-grained ellipticity and De Giorgi-Nash-Moser theory

Scott Armstrong, Benny Avelin, Cristiana De Filippis +2

We prove local boundedness and a Harnack inequality for nonnegative weak solutions of the equation under a coarse-grained ellipticity assump…

math.PR2024★ 2 cited

Renormalized stochastic pressure equation with log-correlated Gaussian coefficients

Benny Avelin, Tuomo Kuusi, Patrik Nummi +3

We study periodic solutions to the following divergence-form stochastic partial differential equation with Wick-renormalized gradient on the -dimensional flat torus $\mathbb{T}^…

math.AP2024

Weak and Perron Solutions for Stationary Kramers-Fokker-Planck Equations in Bounded Domains

Benny Avelin, Mingyi Hou

In this paper, we investigate weak solutions and Perron-Wiener-Brelot solutions to the linear stationary Kramers-Fokker-Planck equation in bounded domains. We establish the existen…

math.PR2024

1D stochastic pressure equation with log-correlated Gaussian coefficients

Benny Avelin, Tuomo Kuusi, Patrik Nummi +3

We study unique solvability for one dimensional stochastic pressure equation with diffusion coefficient given by the Wick exponential of log-correlated Gaussian fields. We prove we…

math.ST2023

On the Impact of Approximation Errors on Extreme Quantile Estimation with Applications to Functional Data Analysis

Jaakko Pere, Benny Avelin, Valentin Garino +2

We study the effect of approximation errors in assessing the extreme behavior of heavy-tailed random objects. We give conditions for the approximation error such that the standard…

math.AP2023★ 2 cited

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

Benny Avelin, Mingyi Hou, Kaj Nyström

In this paper, we develop a Galerkin-type approximation, with quantitative error estimates, for weak solutions to the Cauchy problem for kinetic Fokker-Planck equations in the doma…

math.ST2022

Concentration inequalities for leave-one-out cross validation

Benny Avelin, Lauri Viitasaari

In this article we prove that estimator stability, together with a gradient-growth condition on the expected fitted loss, is enough to provide concentration bounds for leave-one-ou…

math.AP2022

A note on the capacity estimate in metastability for generic configurations

Benny Avelin, Vesa Julin

In this paper we further develop the ideas from Geometric Function Theory initially introduced in [arXiv:2206.13206], to derive capacity estimate in metastability for arbitrary con…

math.AP2022

Geometric Characterization of the Eyring-Kramers Formula

Benny Avelin, Vesa Julin, Lauri Viitasaari

In this paper we consider the mean transition time of an over-damped Brownian particle between local minima of a smooth potential. When the minima and saddles are non-degenerate th…

math.PR2021

Remarks on existence and uniqueness of the solution for stochastic partial differential equations

Benny Avelin, Lauri Viitasaari

In this article we consider existence and uniqueness of the solutions to a large class of stochastic partial differential of form , dri…

math.AP2020★ 1 cited

Approximation of BV functions by neural networks: A regularity theory approach

Benny Avelin, Vesa Julin

In this paper we are concerned with the approximation of functions by single hidden layer neural networks with ReLU activation functions on the unit circle. In particular, we are i…

stat.ML2019

Neural ODEs as the Deep Limit of ResNets with constant weights

Benny Avelin, Kaj Nyström

In this paper we prove that, in the deep limit, the stochastic gradient descent on a ResNet type deep neural network, where each layer shares the same weight matrix, converges to t…

math.AP2017

Boundary behavior of solutions to the parabolic p-Laplace equation II

Benny Avelin

This paper is the second installment in a series of papers concerning the boundary behavior of solutions to the -parabolic equations. In this paper we are interested in the shor…

math.AP2015★ 7 cited

Boundary behavior of solutions to the parabolic p-Laplace equation

Benny Avelin, Kaj Nyström, Tuomo Kuusi

We establish boundary estimates for non-negative solutions to the p-parabolic equation in the degenerate range . Our main results include new parabolic intrinsic Harnack chain…

math.AP2015★ 1 cited

Characterizations of interior polar sets for the degenerate p-parabolic equation

Benny Avelin, Olli Saari

This paper deals with different characterizations of sets of nonlinear parabolic capacity zero, with respect to the parabolic p-Laplace equation. Specifically we prove that certain…

math.AP2015★ 6 cited

A Carleson type inequality for fully nonlinear elliptic equations with non-Lipschitz drift term

Benny Avelin, Vesa Julin

This paper concerns the boundary behavior of solutions of certain fully nonlinear equations with a general drift term. We elaborate on the non-homogeneous generalized Harnack inequ…

math.AP2015★ 9 cited

A comparison principle for the porous medium equation and its consequences

Benny Avelin, Teemu Lukkari

We prove a comparison principle for the porous medium equation in more general open sets in than space-time cylinders. We apply this result in two related contex…

math.AP2014★ 17 cited

Boundary Estimates for Certain Degenerate and Singular Parabolic Equations

Benny Avelin, Ugo Gianazza, Sandro Salsa

We study the boundary behavior of non-negative solutions to a class of degenerate/singular parabolic equations, whose prototype is the parabolic -Laplacian. Assuming that such s…

math.AP2013

Lower semicontinuity of weak supersolutions to the porous medium equation

Benny Avelin, Teemu Lukkari

Weak supersolutions to the porous medium equation are defined by means of smooth test functions under an integral sign. We show that nonnegative weak supersolutions become lower se…

math.AP2013

Harnack estimates for degenerate parabolic equations modeled on the subelliptic p-Laplacian

Benny Avelin, Luca Capogna, Giovanna Citti +1

We establish a Harnack inequality for a class of quasi-linear PDE modeled on the prototype {equation*} \partial_tu= -\sum_{i=1}^{m}X_i^\ast (|\X u|^{p-2} X_i u){equation*} where $p…