Results 21 to 30 of about 4,328,107 (173)

Final State Problem for the Dirac-Klein-Gordon Equations in Two Space Dimensions

open access: yesAbstract and Applied Analysis, 2013
We study the final state problem for the Dirac-Klein-Gordon equations (DKG) in two space dimensions. We prove that if the nonresonance mass condition is satisfied, then the wave operator for DKG is well defined from a neighborhood at the origin in lower ...
Masahiro Ikeda
doaj   +1 more source

Construction of Good Rank-1 Lattice Rules Based on the Weighted Star Discrepancy [PDF]

open access: yes, 2006
The ‘goodness’ of a set of quadrature points in [0, 1]d may be measured by the weighted star discrepancy. If the weights for the weighted star discrepancy are summable, then we show that for n prime there exist n-point rank-1 lattice rules whose weighted
Joe, Stephen
core   +1 more source

Weighted fractional Sobolev spaces as interpolation spaces in bounded domains [PDF]

open access: yes, 2022
We characterize the real interpolation space between a weighted $L^p$ space and a weighted Sobolev space in arbitrary bounded domains in $\mathbb{R}^n$, with weights that are positive powers of the distance to the ...
Drelichman, Irene   +2 more
core   +2 more sources

Approximation theory for weighted Sobolev spaces on curves [PDF]

open access: yes, 2001
17 pages, no figures.-- MSC2000 codes: 41A10, 46E35, 46G10.MR#: MR1882649 (2003c:42002)In this paper we present a definition of weighted Sobolev spaces on curves and find general conditions under which the spaces are complete.
Pestana Galván, Domingo   +6 more
core   +1 more source

Analysis of direct segregated boundary-domain integral equations for variable-coefficient mixed bvps in exterior domains [PDF]

open access: yes, 2013
This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2013 World Scientific Publishing.Direct segregated systems of boundary-domain integral equations are formulated for the mixed (
Mikhailov, SE   +2 more
core   +1 more source

Semilinear Poisson problems in Sobolev-Besov spaces on Lipschitz domains [PDF]

open access: yes, 2002
Extending recent work for the linear Poisson problem for the Laplacian in the framework of Sobolev-Besov spaces on Lipschitz domains by Jerison and Kenig [16], Fabes, Mendez and Mitrea [9], and Mitrea and Taylor [30], here we take up the task of ...
M. Mitrea   +3 more
core   +1 more source

A density property for fractional weighted Sobolev spaces [PDF]

open access: yes, 2015
In this paper we show a density property for fractional weighted Sobolev spaces. That is, we prove that any function in a fractional weighted Sobolev space can be approximated by a smooth function with compact support.
S. Dipierro   +3 more
core   +1 more source

Smooth approximation in weighted Sobolev spaces [PDF]

open access: yes, 1997
summary:We give necessary and sufficient conditions for the equality $H=W$ in weighted Sobolev spaces. We also establish a Rellich-Kondrachov compactness theorem as well as a Lusin type approximation by Lipschitz functions in weighted Sobolev ...
Kilpeläinen, T.
core   +1 more source

Parabolic oblique derivative problem with discontinuous coefficients in generalized weighted Morrey spaces

open access: yesOpen Mathematics, 2016
We obtain the global weighted Morrey-type regularity of the solution of the regular oblique derivative problem for linear uniformly parabolic operators with VMO coefficients.
Guliyev Vagif S., Omarova Mehriban N.
doaj   +1 more source

Robots and Minimal, Physics‐Informed Features: A Hybrid Framework for Enzyme Catalysis

open access: yesAdvanced Science, EarlyView.
Robotic experimentation and physics‐informed machine learning combine to predict enzyme substrate scope. With a handful of interpretable features derived from docking and quantum mechanics calculations, our model rivals descriptor‐heavy AI approaches and extrapolates to unseen substrates and enzyme classes.
Natalia Onishchenko   +8 more
wiley   +1 more source

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