Year: 2025
Type: article
Abstract: We present the degrees 14, 26 and 30 of the boundary generating surfaces of the joint numerical ranges for triples of 4-by-4 Hermitian matrices. This result completes the missing degrees from a previous study.
Source: Mathematics
DOI: 10.3390/math13243977
Authors: MaoTing 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: gold
Estimated APC paid: $3,137
OpenAlex ID: W4417327497
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