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math.CO2026
On Some Properties of Matrices with Entries Defined by Products of -Fibonacci and -Lucas Numbers
Pedro Fernando Fernández Espinosa, Maritza Liliana Arciniegas Torres, Camilo Andrés Acevedo Cadena
In this paper, we study a structured family of matrices whose entries are given by products of -Fibonacci and -Lucas numbers. For this family, we obtain explicit and unified…
math.CO2025
On the Number of Exceptional Pairs Over a Class of Nakayama Algebras
Pedro Fernando Fernández Espinosa, David Reynoso-Mercado
In this paper some combinatorial and homological tools are used to describe and give an explicit formula for the number of exceptional pairs (exceptional sequences of length two) f…