Artykuły (WMI)
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Ostatnio zamieszczone
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(2020-04-27)Wraz z reformą emerytalną z roku 1999 zmienił się zasadniczo sposób naliczania wysokości emerytury. Emeryturę E nalicza się według prostego wzoru: E=K/T, gdzie K jest sumą zwaloryzowanych składek emerytalnych oraz ...
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(2018-02-08)We describe the structure and homological properties of arbitrary generalized standard Auslander-Reiten components of artin algebras. In particular, we prove that for all but finitely many indecomposable modules in such ...
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(World Scientific Publishing Company, 2017)We study the composition of irreducible morphisms between indecomposable modules lying in quasi-tubes of the Auslander-Reiten quivers of artin algebras in relation with the powers of the radical of their module category.
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(2017-12-27)We consider the geodesic flow defined by periodic Eaton lens patterns in the plane and discover ergodic ones among those. The ergodicity result on Eaton lenses is derived from a result for quadratic differentials on the ...
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(2017-12-27)In this paper we study ergodic properties of the Poisson suspension (the ideal gas model) of the billiard flow $(b_t)_{t\in\mathbb R}$ on the plane with a $\Lambda$-periodic pattern ($\Lambda\subset\mathbb R^2$ is a lattice) ...