Results 301 to 310 of about 1,082,837 (347)
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Lie Algebra Kernels and Cohomology

American Journal of Mathematics, 1954
The author continues his study of the interpretation of restricted cohomology groups of restricted Lie algebras (cf. preceding review Zbl 0055.26505). Here the 3-dimensional cohomology group is interpreted in terms of ``restricted'' kernels, which are analogous to the kernels of group extension theory.
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The kernel space of a Witt algebra

Russian Mathematical Surveys, 1988
See the review in Zbl 0658.17012.
Bakiev, M. N., Dzhumadil'daev, A. S.
openaire   +1 more source

The R-Matrix Presentation for the Yangian of a Simple Lie Algebra

Communications in Mathematical Physics, 2017
Starting from a finite-dimensional representation of the Yangian $${Y (\mathfrak{g})}$$Y(g) for a simple Lie algebra $$ \mathfrak{g}$$g in Drinfeld’s original presentation, we construct a Hopf algebra $${{X}_\mathcal{I}(\mathfrak{g})}$$XI(g), called the ...
C. Wendlandt
semanticscholar   +1 more source

Kernelization of Constraint Satisfaction Problems: A Study Through Universal Algebra

International Conference on Principles and Practice of Constraint Programming, 2017
A kernelization algorithm for a computational problem is a procedure which compresses an instance into an equivalent instance whose size is bounded with respect to a complexity parameter.
Victor Lagerkvist, Magnus Wahlström
semanticscholar   +1 more source

Algebraic structure and kernel of the Schrodinger equation

Journal of Physics A: Mathematical and General, 1987
The author derives the kernel of the Schrödinger equation in the following special cases: free particle, harmonic oscillator, harmonic oscillator and gravitational field, uniform field. His result are deduced from the consideration of the commutation relations of the Lie algebra. It is remarked that the same results can be obtained by using the Feynman'
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Hochschild Cohomologies of the Associative Conformal Algebra Cend1,x

Algebra i logika, 2017
It is stated that the second Hochshild cohomology group of the associative conformal algebra Cend1,x with values in any bimodule is trivial. Consequently, the given algebra splits off in every extension with nilpotent kernel.
R. Kozlov
semanticscholar   +1 more source

A Grassmann algebra for matroids

, 2015
We introduce an idempotent analogue of the exterior algebra for which the theory of tropical linear spaces (and valuated matroids) can be seen in close analogy with the classical Grassmann algebra formalism for linear spaces.
Jeffrey Giansiracusa, Noah Giansiracusa
semanticscholar   +1 more source

Graph Kernels

Journal of machine learning research, 2008
We present a unified framework to study graph kernels, special cases of which include the random walk (Gartner et al., 2003; Borgwardt et al., 2005) and marginalized (Kashima et al., 2003, 2004; Mahet al., 2004) graph kernels.
S. Vishwanathan   +3 more
semanticscholar   +1 more source

Dimensions of the Kernels of linear operators and their algebraic adjoints

Acta Mathematica Sinica, English Series, 1998
Summary: We study the kernels of a linear operator and its algebraic adjoint by studying their restriction on a subspace, a Banach space, such that the restriction is the difference of the identity and a compact operator under some conditions, and therefore some results on compact operator theory can be applied.
Yang, Lihua, Sun, Xingming
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Stonean kernels of MS-algebras

Wuhan University Journal of Natural Sciences, 1998
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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