On amorphic C-algebras

By Ilia N. Ponomarenko, Amir Rahnamai Barghi. 2005

63 citations recorded by the source corpus.

An amorphic association scheme has the property that any of its fusions also is an association scheme. In this paper, the property of being amorphic is extended to an arbitrary C-algebra, and it is proved that, up to isomorphism, any amorphic C-algebra is determined by the multiset of its diagonal structure constants and an additional integer equal to ±1. It is shown that any amorphic C-algebra with rational structure constants is a fusion of a homogeneous amorphic C-algebra. As a special case, the well-known Ivanov characterization of the intersection numbers of amorphic association schemes is obtained. Bibliography: 13 titles.

Subfields: Artificial Intelligence, Discrete Mathematics and Combinatorics, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/d5b407f43a5969edc106227d600249a885801e97

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In Artificial Intelligence

  1. I. Ramírez
  2. Martin Asplund
  3. Luca Casagrande
  4. Jorge Meléndez

In Discrete Mathematics and Combinatorics

  1. I. Ramírez
  2. Martin Asplund
  3. Luca Casagrande
  4. Jorge Meléndez

In Electrical and Electronic Engineering

  1. I. Ramírez
  2. Martin Asplund
  3. Luca Casagrande
  4. M. Bessell
  5. Jorge Meléndez

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