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39.088  Articles
1 of 3.910 pages  |  10  records  |  more records»
It is shown that, on the one hand, quantum moment maps give rise to examples for the operator-theoretic approach to invariant integration theory developed by K.-D. Kürsten and the second author, and that, on the other hand, the operator-theoretic approach... see more

Background: One of the great challenges for mathematics education in the 21st century is to alleviate the difficulties of students in the transition from arithmetic to algebra. There is already a consensus that there should not be a transition, as several... see more

Researchers have explored the antecedents and consequences of recovery satisfaction by creating, improving or using scales. However, scales should be invariant among contexts and cultures. Using item response theory, a methodological approach th... see more

Esse artigo objetiva analisar conhecimentos que estudantes têm em relação aos invariantes e representações de problemas de arranjo e combinação. Para tanto, fundamentou-se na Teoria dos Campos Conceituais de Vergnaud. Como percurso metodológico realizou-s... see more

Resumo: O presente estudo aprecia criticamente a noção de valor presente na Teoria Tridimensional do Direito de Miguel Reale. Busca analisar, com base na fenomenologia hermenêutica desenvolvida por Martin Heidegger em Ser e Tempo (Sein und Zeit)... see more

In our days, CP (Charge Parity) violation in the Standar Model of fundamental interactions still remains as an open problem. It is well known that explicit CP violation may be included by impossing complex Yukawa couplings in the Yukawa sector or complex ... see more

The goal of this paper is to provide a method, based on the theory of extensions of left-symmetric algebras, for classifying left-invariant affine structures on a given solvable Lie group of low dimension. To better illustrate our method, we shall apply i... see more

We introduce the symplectic structure of information geometry based on Souriau’s Lie group thermodynamics model, with a covariant definition of Gibbs equilibrium via invariances through co-adjoint action of a group on its moment space, defining physical o... see more

In general, a universal algorithm for testing a pair of graphs G and H for isomorphism exists. It is grounded on the fact that the rows and the corresponding columns of the adjacency matrix of the graph G can be rearranged until it turns into another, equ... see more

1 of 3.910 pages  |  10  records  |  more records»