Congruence lattices of ideals in categories and (partial) semigroups / James East, Nik Ruškuc.

Author
East, James (Professor of mathematics) [Browse]
Format
Book
Language
English
Published/​Created
Providence, RI : AMS, American Mathematical Society, 2023.
Description
vii, 129 pages : illustrations ; 26 cm

Details

Subject(s)
Author
Series
Memoirs of the American Mathematical Society ; 1408. [More in this series]
Summary note
"This monograph presents a unified framework for determining the congruences on a number of monoids and categories of transformations, diagrams, matrices and braids, and on all their ideals. The key theoretical advances present an iterative process of stacking certain normal subgroup lattices on top of each other to successively build congruence lattices of a chain of ideals. This is applied to several specific categories of: transformations; order/orientation preserving/reversing transformations; partitions; planar/annular partitions; Brauer, Temperley-Lieb and Jones partitions; linear and projective linear transformations; and partial braids. Special considerations are needed for certain small ideals, and technically more intricate theoretical underpinnings for the linear and partial braid categories"-- Provided by publisher.
Bibliographic references
Includes bibliographical references.
Contents
  • Categories and partial semigroups
  • Ideal extensions
  • Chains of ideals
  • Transformation categories
  • Partition categories
  • Brauer categories
  • Temperley-Lieb and anti-Temperley-Lieb categories
  • Jones and anti-Jones categories
  • Categories and partial semigroups with H -congruences
  • Linear and projective linear categories
  • Partial braid categories.
ISBN
  • 9781470462697 ((paperback))
  • 1470462699
LCCN
2023014514
OCLC
1378080524
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