Davis-Wielandt shells of 4 by 4 matrices
Year: 2025
Type: article
Abstract: In this paper, we study possible degrees of the boundary generating surfaces of the Davis-Wielandt shells of 4-by-4 upper triangular unitarily irreducible matrices. The degree can be any even number between 6 and 36 except 14,26 and 30.
Authors: Mao-Ting Chien, Hiroshi Nakazato
Institutions: Soochow University, Hirosaki University
Language: English
Topic: Matrix Theory and Algorithms
Subfield: Computational Theory and Mathematics
Field: Computer Science
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $3,230
OpenAlex ID: W4411326740