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Interior Microstates and Black Hole Entropy. [PDF]

Entropy (Basel)
Sasieta M.
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Invariant subspaces of collectively compact sets of linear operators

, 2006
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THE INVARIANT SUBSPACES AND SPECTRAL PROPERTIES OF LINEAR OPERATORS (Application of Geometry to Operator Theory)

THE INVARIANT SUBSPACES AND SPECTRAL PROPERTIES OF LINEAR OPERATORS (Application of Geometry to Operator Theory)
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On norm closed $z$-invariant subspaces of $H^\infty$ (Harmonic, Analytic function spaces and Linear Operators, II)

On norm closed $z$-invariant subspaces of $H^\infty$ (Harmonic, Analytic function spaces and Linear Operators, II)
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Lifting and linear maps of invariant subspaces among the linear pencil, a pair of operators, and their operator transforms

Communications in Nonlinear Science and Numerical Simulation
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Jasang Yoon, Jaewoong Kim
exaly   +3 more sources

Nontrivial invariant subspaces of linear operator pencils

Canadian Mathematical Bulletin, 2023
AbstractIn this paper, we introduce the spherical polar decomposition of the linear pencil of an ordered pair $\mathbf {T}=(T_{1},T_{2})$ and investigate nontrivial invariant subspaces between the generalized spherical Aluthge transform of the linear pencil of $\mathbf {T}$ and the linear pencil of the original pair $\mathbf {T}$ of bounded ...
Kim, Jaewoong, Yoon, Jasang
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Two invariant subspaces and spectral properties of a linear operator

Acta Scientiarum Mathematicarum, 2016
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Djordjević, S. V., Hwang, I. S., Duggal, B. P.   +2 more
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Invariant Subspaces for T-Invariant Linear Operators

1987
1 — Some examples. We consider the eigenvalue problems: $$\matrix{ {{\Delta _2}{\rm{u + }}\lambda {\rm{u}} = 0} & {{\rm{in}}\,\Omega ,} & {{\rm{u}} = 0} & {{\rm{on}}\,\partial \Omega } \cr } $$ (1) and $$\matrix{ {{\Delta _4}{\rm{u}} - \lambda {\rm{u}} = 0} & {{\rm{in}}\,\Omega ,} & {{\rm{u}} = {{\rm{u}}_{{{\rm{x}}_1}}} = {{\rm{u}}_{{{\rm{
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On the Variety of Invariant Subspaces of a Finite-Dimensional Linear Operator

Transactions of the American Mathematical Society, 1982
If V V is a finite-dimensional vector space over
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