Results 11 to 20 of about 3,009,670 (368)
Special triple covers of algebraic surfaces
Documenta Mathematica, 2022 We study special triple covers f:T\to S of algebraic surfaces, where the Tschirnhausen bundle \mathcal{E}=\left(f_*\mathcal{O}_T/\mathcal{O}_S\right)^\vee is a ...
Nicolina Istrati +2 more
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Spectral resolutions in effect algebras [PDF]
Quantum, 2022 Effect algebras were introduced as an abstract algebraic model for Hilbert space effects representing quantum mechanical measurements. We study additional structures on an effect algebra $E$ that enable us to define spectrality and spectral resolutions ...
Anna Jenčová, Sylvia Pulmannová
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Covering algebras II: Isomorphism of loop algebras [PDF]
Journal für die reine und angewandte Mathematik (Crelles Journal), 2004 This paper studies the loop algebras that arise from pairs consisting of a symmetrizable Kac-Moody Lie algebra $\g$ and a finite order automorphism $ $ of $\g$. We obtain necessary and sufficient conditions for two such loop algebras to be isomorphic.
Allison, Bruce +2 more
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Squarefree Vertex Cover Algebras [PDF]
Communications in Algebra, 2013 In this paper we introduce squarefree vertex cover algebras. We study the question when these algebras coincide with the ordinary vertex cover algebras and when these algebras are standard graded. In this context we exhibit a duality theorem for squarefree vertex cover algebras.
Bayati, Shamila, Rahmati, Farhad
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Mathematics, 2023 In this paper, a novel hyper-rectangle cover theory is developed. Two important concepts, the cover order and the cover length, are introduced. We construct a specific échelon form of the matrix in the same manner as that employed to determine the rank ...
Xiaoxuan Chu +3 more
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مجلة اداب ذي قار, 2022 In this research, there is an approach to estimating the quality of soils in an arid environment, as it has an arid and semi-arid climate in southern Iraq, which is Al-Suwayr district of Al-Muthanna Governorate.
م.د قدس اسامة قوام الكليدار الكليدار
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Digital Circuit Design Utilizing Equation Solving over ‘Big’ Boolean Algebras [PDF]
International Journal of Mathematical, Engineering and Management Sciences, 2018 A task frequently encountered in digital circuit design is the solution of a two-valued Boolean equation of the form h(X,Y,Z)=1, where h: B_2^(k+m+n)→ B_2 and X,Y, and Z are binary vectors of lengths k, m, and n, representing inputs, intermediary values,
Ali Muhammad Ali Rushdi, Waleed Ahmad
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Neutrosophic Cubic Subalgebras and Neutrosophic Cubic Closed Ideals of B-algebras [PDF]
Neutrosophic Sets and Systems, 2016 The objective of this paper is to introduced the concept of neutrosophic cubic set to subalgebras, ideals and closed ideals of B-algebra. Links among neutrosophic cubic subalgebra with neutrosophic cubic ideals and neutrosophic closed ideals of B ...
Rakib Iqbal +2 more
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Quantum mechanics of open systems: Dissipaton theories. [PDF]
Journal of Chemical Physics, 2022 This Perspective presents a comprehensive account of the dissipaton theories developed in our group since 2014, including the physical picture of dissipatons and the phase-space dissipaton algebra.
Yao Wang, Yijing Yan
semanticscholar +1 more source
𝐶*-algebras associated with branched coverings [PDF]
Proceedings of the American Mathematical Society, 2000 In this note we analyze the C ∗ C^{\ast } -algebra associated with a branched covering both as a groupoid C ∗ C^{\ast } -algebra and as a Cuntz-Pimsner algebra. We determine conditions when the algebra is simple and purely infinite.
Deaconu, Valentin, Muhly, Paul S.
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