Results 121 to 130 of about 2,503,474 (234)

First order linear ordinary differential equations in associative algebras

open access: yesElectronic Journal of Differential Equations, 2004
In this paper, we study the linear differential equation $$ frac{dx}{dt}=sum_{i=1}^n a_i(t) x b_i(t) + f(t) $$ in an associative but non-commutative algebra $mathcal{A}$, where the $b_i(t)$ form a set of commuting $mathcal{A}$-valued functions expressed ...
Gordon Erlebacher, Garrret E. Sobczyk
doaj  

Σ-functions of categories of matrix representations of nilpotent semigroups

open access: hybrid, 2022
В. М. Бондаренко   +1 more
openalex   +1 more source

Calabi-Yau period geometry and restricted moduli in Type II compactifications

open access: yesJournal of High Energy Physics
The period geometry of Calabi-Yau n-folds — characterised by their variations of Hodge structure governed by Griffiths transversality, a graded Frobenius algebra, an integral monodromy and an intriguing arithmetic structure — is analysed for applications
Janis Dücker   +2 more
doaj   +1 more source

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