Paper publication in Symmetry

The original paper

H. Saigo, “Category Algebras and States on Categories.”

has been published in the Special Issue “Quantum Fields and Off-Shell Science” of the online journal Symmetry to which Prof. Dr. Ohtsu, Director-in-Chief, RODreP serves as a Guest Editor (June 29, 2021).

              Its PDF version can be downloaded from the URL below.

Abstract: https://www.mdpi.com/2073-8994/13/7/1172
PDF Version: https://www.mdpi.com/2073-8994/13/7/1172/pdf