Results 21 to 30 of about 858,594 (303)

Regular points in system spaces

open access: yesLinear Algebra and its Applications, 2003
The authors characterize the regular points in system spaces using representation theory of quivers. They start with indecomposable representations and roots. For roots cases they deal with Schur representations and Schur roots. Then they give the characterization of regular points in system spaces. Moreover, they describe all prestable points (special
Han, Yang, Liu, Mulan
openaire   +2 more sources

The Farthest Point Map on the Regular Octahedron [PDF]

open access: yesExperimental Mathematics, 2021
This version of the paper is being published, as is, in the Journal of Experimental math. It is very similar to the previous version, except that I corrected some typos and mildly simplied the argument in Chapter ...
openaire   +2 more sources

Transition Between Regular Reflection and Mach Reflection in the Dual-Solution Domain [PDF]

open access: yes, 2007
A study of the shock-reflection domain for steady flow is presented. Conditions defining boundaries between different possible shock-reflection solutions are given, and where possible, simple analytic expressions for these conditions are presented. A new,
Mouton, Christopher Andre
core   +1 more source

On the δ-continuous fixed point property

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1990
In this paper, we define and investigate the δ-continuous retraction and the δ-continuous fixed point property. Theorem 1 of Connell [11] and Theorem 3.4 of Arya and Deb [2] are improved.
F. Cammaroto, T. Noiri
doaj   +1 more source

Quasi-randomness and algorithmic regularity for graphs with general degree distributions [PDF]

open access: yes, 2010
We deal with two intimately related subjects: quasi-randomness and regular partitions. The purpose of the concept of quasi-randomness is to express how much a given graph “resembles” a random one.
Schacht, Mathias   +5 more
core   +1 more source

Revising the Hardy–Rogers–Suzuki-type Z-contractions

open access: yesAdvances in Difference Equations, 2021
The aim of this study is to introduce a new interpolative contractive mapping combining the Hardy–Rogers contractive mapping of Suzuki type and Z $\mathcal{Z}$ -contraction. We investigate the existence of a fixed point of this type of mappings and prove
Maha Noorwali
doaj   +1 more source

Strong regularity at nonpeak points [PDF]

open access: yesProceedings of the American Mathematical Society, 1975
We construct a uniform algebra which is strongly regular at a nonpeak point.
openaire   +2 more sources

Regularity and Locality of Point Defects in Multilattices [PDF]

open access: yesApplied Mathematics Research eXpress, 2017
We formulate a model for a point defect embedded in a homogeneous multilattice crystal with an empirical interatomic potential interaction. Under a natural, phonon stability assumption we quantify the decay of the long-range elastic fields with increasing distance from the defect.
Derek Olson, Christoph Ortner
openaire   +2 more sources

Construction of two-dimensional topological field theories with non-invertible symmetries

open access: yesJournal of High Energy Physics, 2021
We construct the defining data of two-dimensional topological field theories (TFTs) enriched by non-invertible symmetries/topological defect lines. Simple formulae for the three-point functions and the lasso two-point functions are derived, and crossing ...
Tzu-Chen Huang   +2 more
doaj   +1 more source

Regular Points for Ergodic Sinai Measures [PDF]

open access: yesTransactions of the American Mathematical Society, 1991
Ergodic properties of smooth dynamical systems are considered. A point is called regular for an ergodic measure μ \mu
openaire   +2 more sources

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