\(G\)-invariant subspace
The invariant subspace problem for absolutely p summing operators in Krein spaces
... of invariant maximal semi-definite subspaces turned out to be the focus of attention in the theory of operators in Pontryagin and Krein ...the invariant subspace problem ...
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Some remarks on the invariant subspace problem for hyponormal operators
... The purpose of this paper is to use several results that may be applied to the invariant subspace problem (ISP) for hyponormal operators and thus to bring into focus what remains to be done to solve the ...
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Application of the invariant subspace method in conjunction with the fractional Sumudu’s transform to a nonlinear conformable time-fractional dispersive equation of the fifth order
... The investigation of exact solutions is one of the hottest topics in mathemati- cal physics; since a lot of information is provided using the exact solutions. In the last years, several various schemes [5, 10–12, 19–21, ...
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A Generic Approach to Invariant Subspace Attacks: Cryptanalysis of Robin, iSCREAM and Zorro
... some subspace, amounting to n 2 ...an invariant subspace of dimension d is roughly n 2 · 2 n−d ...of invariant subspaces is ...find invariant subspaces through a single S-box: this is ...
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An invariant subspace problem for multilinear operators on Banach spaces and algebras
... unprecedented challenges such as lack of vector space structure and unbounded spectral sets when tackling invariant subspace problems for nonlinear operators via spectral information. To bypass some of ...
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Approximation in reflexive Banach spaces and applications to the invariant subspace problem
... Then, in Section 3, we give two kinds of application. The first is the resolution of the so-called Bounded Completion problem (BCP) in a reflexive, smooth and strictly convex Banach space. The second concerns the ...
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Invariant Subspace Attack Against Full Midori64
... Non-trivial invariant subspaces not necessarily exist for a given ...the invariant subspace, the former method requires examination of all the transformations used in the cipher, which usually ...
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Weak*-closed invariant subspaces and ideals of semigroup algebras on foundation semigroups
... translation invariant subspace X of L ∞ (G) is invariantly complemented if and only if { ( ) 〈 〉 } has a bounded approximate identity when G is a locally compact ...translation invariant ...
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Proper contractions and invariant subspaces
... nontrivial invariant subspace, then ᏹ = { x ∈ Ᏼ : T x = x } = { 0 } (actually, if ᏹ = Ᏼ , then T is an isometry, and isometries have invariant ...
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Computing a eigenvector with inverse iteration
... 3.3. Monotonic Convergence of Residual Norms. In the previous sec- tion (cf. Theorem 3.5) we established that residual norms are monotonically non- increasing. Now we show that the residual size remains constant whenever ...
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Cycling Chaos: Its Creation, Persistence and Loss of Stability in a Model of Nonlinear Magnetoconvection
... anism for transition from stable two-dimensional to fully three-dimensional magnetoconvection. The model we study is a Galerkin truncation for magneto- convection in a region with square plan, subject to periodic ...
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Racial Disparity in Social Spatiality: Usage of National Parks and Opera Attendance
... the invariant subspace and reducing subspace technique an appropriate basis for the underlying vector space can be found so that the nilpotent operator admits its Jordan Canonical ...
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A Note on the Structure of Affine Subspaces of L2(Rd)
... affine subspace if and only if X = span D f { j : f ∈ M j , ∈ } for some shift invariant subspace ...affine subspace X of L 2 ( ) d is a reducing subspace if and only if it is shift ...
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Exact solutions of a linear fractional partial differential equation via characteristics method
... Abstract In recent years, many methods have been studied for solving differential equations of fractional order, such as Lie group method, invariant subspace method and numerical methods, [1, 2, 3, 4]. ...
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Dubbing Modernization: The United States, France, and the Politics of Development in the Ivory Coast, 1946 1968
... a solution to the algebraic Riccati equation. The easiest way to prove the rest of part 2 is to construct P as a limiting case of a solution of the Riccati differential equation and then show, after the fact, that it can ...
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New Directions In Sparse Sampling and Estimation For Underdetermined Systems
... frequency invariant beamforming can be achieved us- ing just one weight per sensor instead of tapped delay-lines, by extending the dimension of the array from linear to ...frequency invariant beamforming by ...
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The Non-m-Positive Dimension of a Positive Linear Map
... multipartite subspace with the property that every state supported on that subspace has non-positive partial transpose across at least one bipartite cut, and we use our results to construct multipartite ...
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Forecasting VARMA processes using VAR models and subspace based state space models
... of subspace algorithms and their ease of use are the reasons why we will be comparing subspace-estimated state space models with least-squares- estimated VAR ...that subspace estimates can be refined ...
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A CHARACTERIZATION OF EXTREMAL ELEMENTS IN SOME LINEAR PROBLEMS
... Abstract: We give a characterization of elements of a subspace of a complex Banach space with the property that the norm of a bounded linear functional on the subspace is attained at those elements. In ...
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Multiple Independent Subspace Clusterings
... (Orthogonal subspace clustering) (Cui, Fern, and Dy 2007) transforms the original feature space into an orthogonal sub- space using a projection framework based on the given clus- tering, and then groups the ...
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