3 papers
math.CO2025
Spectral properties of distance Laplacian matrices of complex unit gain graphs
Aniruddha Samanta, Deepshikha
A complex unit gain graph (-gain graph), is a graph where the function assigns a unit complex number to each orientation of an edge of , and…
math.FA2025
On spectrally optimal duals for r-erasures of frames generated by graphs
Deepshikha, Aniruddha Samanta
In [9], authors studied spectrally optimal dual frames for 1-erasure and 2-erasures of frames generated by graph. In this paper, we study spectrally optimal dual frames for r-erasu…
math.CO2025
Improved bound of graph energy in terms of vertex cover number
Aniruddha Samanta
Let be a simple graph with the vertex cover number . The energy of is the sum of the absolute values of all the adjacency eigenvalues of .…