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6 papers · 1 filter
Variational approach to dequantization
Ricardo A. Mosna, Ian P. Hamilton, Luigi Delle Site
We present a dequantization procedure based on a variational approach whereby quantum fluctuations latent in the quantum momentum are suppressed. This is done by adding generic loc…
Classification of irreducible weight modules over the twisted Heisenberg-Virasoro algebra
Rencai Lu, Kaiming Zhao
In this paper, all irreducible weight modules with finite dimensional weight spaces over the twisted Heisenberg-Virasoro algebra are determined. There are two different classes of…
Saari's Conjecture is True for Generic Vector Fields
Tanya Schmah, Cristina Stoica
The simplest non-collision solutions of the N-body problem are the "relative equilibria", in which each body follows a circular orbit around the centre of mass and the shape formed…
Coloring vertices of a graph or finding a Meyniel obstruction
Kathie Cameron, Jack Edmonds, Benjamin Lévêque +1
A Meyniel obstruction is an odd cycle with at least five vertices and at most one chord. A graph is Meyniel if and only if it has no Meyniel obstruction as an induced subgraph. Her…
Bijective Proofs of Shifted Tableau and Alternating Sign Matrix Identities
A. M. Hamel, R. C. King
We give a bijective proof of an identity relating primed shifted gl(n)-standard tableaux to the product of a gl(n) character in the form of a Schur function and a product of sums o…
Quantum-classical correspondence via a deformed kinetic operator
Ricardo A. Mosna, Ian P. Hamilton, Luigi Delle Site
We propose an approach to the quantum-classical correspondence based on a deformation of the momentum and kinetic operators of quantum mechanics. Making use of the factorization me…