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Towards a Better Understanding of the Semigroup Tree

Bras-Amoros, Maria and Bulygin, Stanislav (2009):
Towards a Better Understanding of the Semigroup Tree.
79, In: Semigroup Forum, (3), pp. 561-574, DOI: 10.1007/s00233-009-9175-8,
[Article]

Abstract

In this paper we elaborate on the structure of the semigroup tree and the regularities on the number of descendants of each node observed earlier by the first author. These regularities admit two different types of behavior and in this work we investigate which of the two types takes place for some well-known classes of semigroups. Also we study the question of what kind of chains appear in the tree and characterize the properties (like being (in)finite) thereof. We conclude with some thoughts that show how this study of the semigroup tree may help in solving the conjecture of Fibonacci-like behavior of the number of semigroups with given genus.

Item Type: Article
Erschienen: 2009
Creators: Bras-Amoros, Maria and Bulygin, Stanislav
Title: Towards a Better Understanding of the Semigroup Tree
Language: ["languages_typename_1" not defined]
Abstract:

In this paper we elaborate on the structure of the semigroup tree and the regularities on the number of descendants of each node observed earlier by the first author. These regularities admit two different types of behavior and in this work we investigate which of the two types takes place for some well-known classes of semigroups. Also we study the question of what kind of chains appear in the tree and characterize the properties (like being (in)finite) thereof. We conclude with some thoughts that show how this study of the semigroup tree may help in solving the conjecture of Fibonacci-like behavior of the number of semigroups with given genus.

Journal or Publication Title: Semigroup Forum
Volume: 79
Number: 3
Uncontrolled Keywords: Secure Data;Numerical semigroup, Fibonacci numbers
Divisions: LOEWE > LOEWE-Zentren > CASED – Center for Advanced Security Research Darmstadt
LOEWE > LOEWE-Zentren
LOEWE
Date Deposited: 30 Dec 2016 20:23
DOI: 10.1007/s00233-009-9175-8
Identification Number: TUD-CS-2009-0134
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