Year: 2026
Type: article
Abstract: In this paper, we consider certain special sine, tangent, and cotangent symmetric matrices, along with their associated integer matrices. We present interesting relationships that connect these matrices. Relevant examples of the corresponding matrices are also provided, along with several intriguing problems. A separate section includes proofs of the main theorems, which we believe are noteworthy in their own right.
Source: Symmetry
DOI: 10.3390/sym18010206
Authors: Michał Różański, Roman Wituła
Institution: Silesian University of Technology
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: $2,896
OpenAlex ID: W7125532494