Results 151 to 160 of about 1,900,626 (355)
Quotients of an affine variety by an action of a torus
Open Mathematics, 2013 Chuvashova Olga, Pechenkin Nikolay
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Global and microlocal aspects of Dirac operators: Propagators and Hadamard states
Mathematische Nachrichten, EarlyView.Abstract We propose a geometric approach to construct the Cauchy evolution operator for the Lorentzian Dirac operator on Cauchy‐compact globally hyperbolic 4‐manifolds. We realize the Cauchy evolution operator as the sum of two invariantly defined oscillatory integrals—the positive and negative Dirac propagators—global in space and in time, with ...
Matteo Capoferri, Simone Murro
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Maximum Likelihood Estimation of Symmetric Group-Based Models via Numerical Algebraic Geometry. [PDF]
Bull Math Biol, 2019 Kosta D, Kubjas K.
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Mathematical Methods in the Applied Sciences, Volume 48, Issue 6, Page 6912-6917, April 2025.ABSTRACT Nowadays, a substantial portion of investigations concerning the symmetry analysis of differential equations predominantly adhere to a framework comprising the following key procedures: (i) the derivation of symmetries, (ii) the determination of an optimal system, (iii) the utilization of these symmetries to construct invariants or ...
A. Paliathanasis +2 more
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Space‐Time Smoothness and Parsimony in Covariance Functions
Mathematical Methods in the Applied Sciences, EarlyView.ABSTRACT This paper challenges the trade off between computational efficiency and statistical accuracy within the framework of Gaussian space‐time processes. Under such a framework, the space‐time dependence is completely specified through the space‐time covariance function.
Tarik Faouzi +2 more
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Erratum: Prime factorization using quantum annealing and computational algebraic geometry. [PDF]
Sci Rep, 2017 Dridi R, Alghassi H.
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On Generalized Avicenna Numbers
Mathematical Methods in the Applied Sciences, EarlyView.ABSTRACT Avicenna numbers that we define in this paper, are a class of figurate numbers, including icosahedral, octahedral, tetrahedral, dodecahedral, rhombicosidodecahedral numbers and cubes, play a key role in mathematics, physics and various scientific fields.
Melih Göcen, Yüksel Soykan
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Numerical algebraic geometry for model selection and its application to the life sciences. [PDF]
J R Soc Interface, 2016 Gross E +4 more
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