Results 11 to 20 of about 22,441 (260)
Periodic rings with finitely generated underlying group [PDF]
International Journal of Mathematics and Mathematical Sciences, 2004 We study periodic rings that are finitely generated as groups. We prove several structure results. We classify periodic rings that are free of rank at most 2, and also periodic rings R such that R is finitely generated as a group and R/t(R)≃ℤ.
R. Khazal, S. Dascalescu
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Non-almost periodic solutions of limit periodic and almost periodic homogeneous linear difference systems [PDF]
Electronic Journal of Qualitative Theory of Differential Equations, 2015 We study limit periodic and almost periodic homogeneous linear difference systems. The coefficient matrices of the considered systems are taken from a given commutative group.
Martin Chvátal
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Periodic transonic flow and control [PDF]
, 2008 The current understanding of periodic transonic flow is reviewed briefly. The effects of boundary-layer transition, non-adiabatic wall conditions and modifications to the aerofoil surface geometry at the shock interactions on periodic transonic flow are ...
Quest, J. +14 more
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Darboux transformation with dihedral reduction group [PDF]
, 2014 We construct the Darboux transformation with Dihedral reduction group for the 2-dimensional generalisation of the periodic Volterra lattice. The resulting Bäcklund transformation can be viewed as a nonevolutionary integrable differential difference ...
Papamikos, Georgios +6 more
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The Tits alternative for non-spherical Pride groups [PDF]
, 2008 Pride groups, or 'groups given by presentations in which each defining relator involves at most two types of generators', include Coxeter groups, Artin groups, triangles of groups, and Vinberg's groups defined by periodic paired relations.
Williams, Gerald +5 more
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On Periodic Groups Isospectral to A7 [PDF]
Siberian Mathematical Journal, 2020 The spectrum of a periodic group $G$ is the set $ω(G)$ of its element orders. Consider a group $G$ such that $ω(G)=ω(A_7)$. Assume that $G$ has a subgroup $H$ isomorphic to $A_4$, whose involutions are squares of elements of order $4$. We prove that either $O_2(H) \subseteq O_2(G)$ or $G$ has a finite nonabelian simple subgroup.
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Periodic Mesoporous Organosilica Nanoparticles with BOC Group, towards HIFU Responsive Agents
Molecules, 2020 Periodic Mesoporous Organosilica Nanoparticles (PMONPs) are nanoparticles of high interest for nanomedicine applications. These nanoparticles are not composed of silica (SiO2). They belong to hybrid organic−inorganic systems.
Hao Li +8 more
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Bifurcation from relative periodic solutions [PDF]
, 2001 Published ...
Lamb, JSW +8 more
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PERIODIC CONFIGURATIONS OF SUBSHIFTS ON GROUPS [PDF]
International Journal of Algebra and Computation, 2009 We study the density of periodic configurations for shift spaces defined on (the Cayley graph of) a finitely generated group. We prove that in the case of a full shift on a residually finite group and in that of a group shift space on an abelian group, the periodic configurations are dense.
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Automorphisms of the affine Cremona group [PDF]
, 2013 We show that every automorphism of the group Gn := Aut(An) of polynomial automorphisms of complex affine n-space An = Cn is inner up to field automorphisms when restricted to the subgroup TGn of tame automorphisms.
Kraft, Hanspeter, Stampfli, Immanuel
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