Results 51 to 60 of about 477 (64)

Approximation of eigenvalues for unbounded Jacobi matrices using finite submatrices

Open Mathematics, 2014
Monvel Anne, Zielinski Lech
doaj   +1 more source

Perron-Frobenius and Krein-Rutman theorems for tangentially positive operators

Open Mathematics, 2012
Kanigowski Adam, Kryszewski Wojciech
doaj   +1 more source

On the distance to singularity via low rank perturbations [PDF]

, 2015
Mehl, Christian, Mehrmann, Volker, Wojtylak, Michał   +2 more
core   +1 more source

Integral Operators and Delay Differential Equations

, 2006
D. Gilsinn, F. Potra
semanticscholar   +1 more source

ENDPOINT ESTIMATES FOR COMMUTATORS OF RIESZ TRANSFORMS ASSOCIATED WITH SCHRÖDINGER OPERATORS

, 2010
Pengtao Li, Lizhong Peng
semanticscholar   +1 more source

RIGHT SEMIDEFINITE EIGENVALUE PROBLEMS

Proceedings of the Edinburgh Mathematical Society, 2003
P. Binding, H. Volkmer
semanticscholar   +1 more source

On inequalities for polynomials in two variables

, 2009
O. R. Gabrielyan, H. Ghazaryan, V. Margaryan   +2 more
semanticscholar   +1 more source

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A Non-Ersatz Material Approach for the Topology Optimization of Elastic Structures Based on Piecewise Constant Level Set Method

Communications in Computational Physics, 2021
The topology optimization of a linearized elasticity system with the area (volume) constraint is investigated. A non-ersatz material approach is proposed.
Zhengfang Zhang
semanticscholar   +1 more source

The Coupling Constant Threshold Effects for One-Particle Schrödinger-Type Operators in Lattice

Journal of Geometry and Symmetry in Physics
We investigate the threshold effects self-adjoint bounded discrete Schrödinger-type operators in the Hilbert space of square-summable complex-valued functions defined on the d -dimensional lattice and establish the existence of eigenvalues and their ...
Firdavs Almuratov, Xurshid Sharipov, Salokhiddin Alimov   +2 more
semanticscholar   +1 more source

Computation of Eigenvalues of Discrete Lower Semibounded Operators

, 2016
S. Kadchenko, Russian Federation., G. A. Zakirova   +2 more
semanticscholar   +1 more source