L. Markenzon

collaborators

2 papers

cs.DM2026

Structural and Spectral Properties of Strictly Interval Graphs

Claudia Justel, Lilian Markenzon

In this paper we deal with a subclass of chordal graphs, which are simultaneously strictly chordal and interval, the strictly interval graphs. We present a new characterization of…

math.CO2026

Characterizing graphs with the second largest distance eigenvalue less than -1/2

Miriam AbdÃ³n, Lilian Markenzon, Cybele T. M. Vinagre

Let $G$ be a connected graph with vertex set $V$ . The distance, $d_{G} (u, v)$ , between vertices $u$ and $v$ of $G$ is defined as the length of a shortest path between $u$ and $v$ in…