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- Brookhaven National LaboratoryUS10 papers
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10 papers · 1 filter
Quantum coadjoint orbits of GL(n) and generalized Verma modules
J. Donin, A. Mudrov
In our previous paper, we constructed an explicit GL(n)-equivariant quantization of the Kirillov--Kostant-Souriau bracket on a semisimple coadjoint orbit. In the present paper, we…
Automorphisms of the category of free Lie algebras
G. Mashevitzky, B. Plotkin, E. Plotkin
We prove that every automorphism of the category of free Lie algebras is a semi-inner automorphism.
Globalization of Confluent Partial Actions on Topological and Metric Spaces
Michael Megrelishvili, Lutz Schroeder
We generalize Exel's notion of partial group action to monoids. For partial monoid actions that can be defined by means of suitably well-behaved systems of generators and relations…
HexaKdV
Jeremy Schiff
An analog of the lattice KdV equation of Nijhoff et al. is constructed on a hexagonal lattice. The resulting system of difference equations exhibits soliton solutions with interest…
Fundamental groups of some quadric-line arrangements
Meirav Amram, Mina Teicher, Muhammed Uludag
In this paper we obtain presentations of fundamental groups of the complements of three quadric-line arrangements in P^2. The first arrangement is a smooth quadric Q with n tangent…
The fundamental group's structure of the complement of some configurations of real line arrangements
David Garber, Mina Teicher
In this paper, we give a fully detailed exposition of computing fundamental groups of complements of line arrangements using the Moishezon-Teicher technique for computing the braid…