Results 1 to 10 of about 16,415 (167)

Dirichlet heat kernel for unimodal L\'evy processes [PDF]

open access: yesStochastic Processes and their Applications, 2014
We estimate the heat kernel of the smooth open set for the isotropic unimodal pure-jump L\'evy process with infinite L\'evy measure and weakly scaling L\'evy-Kchintchine exponent.Comment: 38 ...
Bogdan, K., Grzywny, T., Ryznar, M.
core   +3 more sources

Heat kernel estimates for the fractional Laplacian with Dirichlet conditions

open access: yesThe Annals of Probability, 2010
We give sharp estimates for the heat kernel of the fractional Laplacian with Dirichlet condition for a general class of domains including Lipschitz domains.Comment: Published in at http://dx.doi.org/10.1214/10-AOP532 the Annals of Probability (http ...
Bogdan, Krzysztof   +2 more
core   +3 more sources

Laplace Dirichlet heat kernels in convex domains [PDF]

open access: yesJournal of Differential Equations, 2022
We provide general lower and upper bounds for Laplace Dirichlet heat kernel of convex $\mathcal C^{1,1}$ domains. The obtained estimates precisely describe the exponential behaviour of the kernels, which has been known only in a few special cases so far. Furthermore, we characterize a class of sets for which the estimates are sharp, i.e.
openaire   +2 more sources

Analytical solutions for time-fractional diffusion equation with heat absorption in spherical domains

open access: yesAin Shams Engineering Journal, 2023
Under the time-variable Dirichlet condition, the time-fractional diffusion equation with heat absorption in a sphere is taken into consideration. The time-fractional derivative with the power-law kernel is used in the generalized Cattaneo constitutive ...
Nehad Ali Shah   +4 more
doaj   +1 more source

Boundary conformal invariants and the conformal anomaly in five dimensions

open access: yesPhysics Letters B, 2021
In odd dimensions the integrated conformal anomaly is entirely due to the boundary terms [1]. In this paper we present a detailed analysis of the anomaly in five dimensions.
Amin Faraji Astaneh   +1 more
doaj   +1 more source

Building Climate Control with Hybrid Renewable Energy Systems Using Data-Driven Robust Model Predictive Control

open access: yesChemical Engineering Transactions, 2022
While the implementation of renewable energy systems and model predictive control (MPC) could reduce non-renewable energy consumption, one challenge to building climate control using MPC is the weather forecast uncertainty.
Wei-Han Chen, Fengqi You
doaj   +1 more source

On holography in general background and the boundary effective action from AdS to dS

open access: yesJournal of High Energy Physics, 2022
We study quantum fields on an arbitrary, rigid background with boundary. We derive the action for a scalar in the holographic basis that separates the boundary and bulk degrees of freedom.
Sylvain Fichet
doaj   +1 more source

Heat kernel estimates for general symmetric pure jump Dirichlet forms [PDF]

open access: yesANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, 2022
In this paper, we consider the following symmetric non-local Dirichlet forms of pure jump type on metric measure space $(M,d, )$: $$\mathcal{E}(f,g)=\int_{M\times M} (f(x)-f(y))(g(x)-g(y))\,J(dx,dy),$$ where $J(dx,dy)$ is a symmetric Radon measure on $M\times M\setminus {\rm diag}$ that may have different scalings for small jumps and large jumps ...
Chen, Zhen-Qing   +2 more
openaire   +2 more sources

Dirichlet Heat Kernel for the Laplacian in a Ball [PDF]

open access: yesPotential Analysis, 2018
We provide sharp two-sided estimates on the Dirichlet heat kernel $k_1(t,x,y)$ for the Laplacian in a ball. The result accurately describes the exponential behaviour of the kernel for small times and significantly improves the qualitatively sharp results known so far.
Małecki, Jacek, Serafin, Grzegorz
openaire   +2 more sources

Dirichlet heat kernel estimates for rotationally symmetric Lévy processes [PDF]

open access: yesProceedings of the London Mathematical Society, 2014
In this paper, we consider a large class of purely discontinuous rotationally symmetric Levy processes. We establish sharp two-sided estimates for the transition densities of such processes killed upon leaving an open set D. When D is a -fat open set, the sharp two-sided estimates are given in terms of surviving probabilities and the global ...
Chen, Zhen-Qing   +2 more
openaire   +2 more sources

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