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Book
Coxeter groups and Hopf algebras.
Authors: ---
ISBN: 0821839071 Year: 2006 Publisher: Providence (R.I.) American Mathematical Society

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Book
Hopf Monoids and Generalized Permutahedra
Authors: ---
ISBN: 1470475928 Year: 2023 Publisher: Providence, RI : American Mathematical Society,

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Book
Monoidal functors, species, and Hopf algebras
Authors: ---
ISBN: 9780821847763 Year: 2010 Publisher: Providence, R.I. : American Mathematical Society,


Book
Coxeter bialgebras
Authors: ---
ISBN: 9781009243759 9781009243773 Year: 2023 Publisher: Cambridge Cambridge University Press

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Coxeter bialgebras
Authors: ---
ISBN: 100924373X 1009243756 Year: 2023 Publisher: Cambridge : Cambridge University Press,

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The goal of this monograph is to develop Hopf theory in the setting of a real reflection arrangement. The central notion is that of a Coxeter bialgebra which generalizes the classical notion of a connected graded Hopf algebra. The authors also introduce the more structured notion of a Coxeter bimonoid and connect the two notions via a family of functors called Fock functors. These generalize similar functors connecting Hopf monoids in the category of Joyal species and connected graded Hopf algebras. This monograph opens a new chapter in Coxeter theory as well as in Hopf theory, connecting the two. It also relates fruitfully to many other areas of mathematics such as discrete geometry, semigroup theory, associative algebras, algebraic Lie theory, operads, and category theory. It is carefully written, with effective use of tables, diagrams, pictures, and summaries. It will be of interest to students and researchers alike.


Book
Bimonoids for hyperplane arrangements
Authors: ---
ISBN: 1108852785 1108863116 Year: 2020 Publisher: Cambridge : Cambridge University Press,

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The goal of this monograph is to develop Hopf theory in a new setting which features centrally a real hyperplane arrangement. The new theory is parallel to the classical theory of connected Hopf algebras, and relates to it when specialized to the braid arrangement. Joyal's theory of combinatorial species, ideas from Tits' theory of buildings, and Rota's work on incidence algebras inspire and find a common expression in this theory. The authors introduce notions of monoid, comonoid, bimonoid, and Lie monoid relative to a fixed hyperplane arrangement. They also construct universal bimonoids by using generalizations of the classical notions of shuffle and quasishuffle, and establish the Borel-Hopf, Poincaré-Birkhoff-Witt, and Cartier-Milnor-Moore theorems in this setting. This monograph opens a vast new area of research. It will be of interest to students and researchers working in the areas of hyperplane arrangements, semigroup theory, Hopf algebras, algebraic Lie theory, operads, and category theory.


Book
Bimonoids for hyperplane arrangements
Authors: ---
ISBN: 9781108863117 9781108495806 Year: 2020 Publisher: Cambridge Cambridge University Press

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