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20222026
most citedThe trace and Estrada index of uniform hypergraphs with cut vertices

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math.CO2026

Maximizing the signless Laplacian spectral radius of simplicial 2-complexes with a prescribed second Betti number

Chuan-Ming She, Yi-Zheng Fan, Yi-Min Song

We study how a prescribed second Betti number constrains the largest eigenvalue of the signless Laplacian on edges of a pure two-dimensional simplicial complex. For each fixed posi…