Results 11 to 20 of about 88 (88)

Semilinear transformations [PDF]

open access: yes, 1999
In previous papers, nice trinomial equations were given for unramified coverings of the once punctured affine line in nonzero characteristic p with the projective general group PGL(m,q) and the general linear group GL(m,q) as Galois groups where m >1 is ...
Abhyankar, Shreeram S.
core   +1 more source

Remarks on the classification of a pair of commuting semilinear operators [PDF]

open access: yes, 2012
Gelfand and Ponomarev [I.M. Gelfand, V.A. Ponomarev, Remarks on the classification of a pair of commuting linear transformations in a finite dimensional vector space, Funct. Anal. Appl.
Horn, Roger A.   +4 more
core   +1 more source

Hamiltonian diagonalization in hybrid quantum cosmology [PDF]

open access: yes, 2020
22 pags.We explore the possibility of selecting a natural vacuum state for scalar and tensor gauge-invariant cosmological perturbations in the context of hybrid quantum cosmology, by identifying those variables for the description of the perturbations ...
Thiemann, T.   +2 more
core   +1 more source

Finding the radical of an algebra of linear transformations [PDF]

open access: yes, 1997
We present a method that reduces the problem of computing the radical of a matrix algebra over an arbitrary field to solving systems of semilinear equations.
Cohen, Ajeh M.   +5 more
core   +1 more source

Logic and invariant theory. I. Invariant theory of projective properties [PDF]

open access: yes, 1973
This paper initiates a series of papers which will reexamine some problems and results of classical invariant theory, within the framework of modern first-order logic. In this paper the notion that an equation is of invariant significance for the general
Walter Whiteley
core   +1 more source

Classification of pairs consisting of a linear and a semilinear map [PDF]

open access: yes, 1978
L. Kronecker has found normal forms for pairs (A, B) of m-by-n matrices over a field F when the admissible transformations are of the type (A, B)→(SAT, SBT), where S and T are invertible matrices over F.
Djoković, Dragomir Ž.
core   +1 more source

Multiple Solutions of Semilinear Dirichlet Problems on a Domain withS1-Group Actions [PDF]

open access: yes, 1998
Let Ω be a bounded domain with a smooth boundary such that there exists anS1group of isometric linear transformations on Ω. In the present paper, we consider the multiple existence of solutions of the problem[formula]whereg∈C1(R) andh∈L2(Ω)
Hirano, N.
core   +1 more source

Fast evaluation of nonlinear functionals of tensor product wavelet expansions [PDF]

open access: yes, 2010
For a nonlinear functional f, and a function u from the span of a set of tensor product interpolets, it is shown how to compute the interpolant of f (u) from the span of this set of tensor product interpolets in linear complexity, assuming that the index
Christoph Schwab   +5 more
core   +1 more source

кристич [PDF]

open access: yes, 2014
кристи
кристич
core   +1 more source

Symbolic-numerical methods for the computation of normal forms of PDEs [PDF]

open access: yes, 2003
The center manifold and the normal forms are effective tools for the study of local bifurcations occurring in evolution equations. The computation of the center manifold and the normal form amounts, after more or less complex algebraic transformations ...
Ahamadi, Malidi, Gervais, Jean-Jacques
core   +1 more source

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