نتایج جستجو برای: steklov function
تعداد نتایج: 1213588 فیلتر نتایج به سال:
We consider a differential system based on the coupling of the Navier-Stokes and Darcy equations for modeling the interaction between surface and porousmedia flows. We formulate the problem as an interface equation, we analyze the associated (nonlinear) Steklov-Poincaré operators, and we prove its wellposedness. We propose and analyze iterative methods to solve a conforming finite element appro...
N.N. Bogolubov (jr.)1,2∗, Ya.A. Prykarpatsky3,4†, A.A. Ghazaryan5 1 Steklov Mathematical Institute of the Russian Academy of Sciences, Moscow, Russian Federation 2 Abdus Salam International Centre for Theoretical Physics, Trieste, Italy 3 Institute of Mathematics, Pedagogical University of Cracow, Poland 4 Drohobych Ivan Franko State Pedagogical University, Lviv region, Ukraine 5 The Lomonosov ...
We analyze the decomposition of the enveloping algebra of the conformal algebra in arbitrary dimension with respect to the mass-squared operator. It emerges that the subalgebra that commutes with the mass-squared is generated by its Poincaré subalgebra together with a vector operator. The special cases of the conformal algebras of two and three dimensions are described in detail, including the ...
In this paper, we prove in two dimensions global identifiability of the viscosity in an incompressible fluid by making boundary measurements. The main contribution of this work is to use more natural boundary measurements, the Cauchy forces, than the Dirichlet-to-Neumann map previously considered in [7] to prove the uniqueness of the viscosity for the Stokes equations and for the Navier-Stokes ...
We consider the reduction of supersymmetry in N -extended four dimensional supergravity via the super Higgs mechanism in theories without cosmological constant. We provide an analysis largely based on the properties of long and short multiplets of Poincaré supersymmetry. Examples of the super Higgs phenomenon are realized in spontaneously broken N = 8 supergravity through the Scherk-Schwarz mec...
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