Using digraphs to compute determinant, permanent and Drazin inverse of circulant matrices with two parameters
Andr\'es M. Encinas, Daniel A. Jaume, Cristian Panelo, Denis E. Videla

TL;DR
This paper derives explicit formulas for calculating the determinant, permanent, inverse, and Drazin inverse of circulant matrices characterized by two non-zero parameters, simplifying their analysis.
Contribution
It provides new closed-form expressions for key matrix functions of circulant matrices with two parameters, advancing computational methods.
Findings
Closed formulas for determinant and permanent
Explicit expressions for inverse and Drazin inverse
Simplified analysis of two-parameter circulant matrices
Abstract
This work presents closed formulas for determinant, permanent, inverse, and Drazin inverse of circulant matrices with two non-zero coefficients.
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Taxonomy
TopicsMatrix Theory and Algorithms · Graph theory and applications · graph theory and CDMA systems
