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Laplacian and signless laplacian spectra and energies of multi-step wheels

Zheng-Qing Chu Mobeen Munir Amina Yousaf Muhammad Imran Qureshi Jia-Bao Liu

*Corresponding author: Mobeen Munir mmunir@ue.edu.pk


Energies and spectrum of graphs associated to different linear operators play a significant role in molecular chemistry, polymerisation, pharmacy, computer networking and communication systems. In current article, we compute closed forms of signless Laplacian and Laplacian spectra and energies of multi-step wheel networks Wn,m. These wheel networks are useful in networking and communication, as every node is one hoop neighbour to other. We also present our results for wheel graphs as particular cases. In the end, correlation of these energies on the involved parameters m ≥ 3 and n is given graphically. Present results are the natural generalizations of the already available results in the literature.

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