Vol. 12, No. 3, 2023

• Editorial
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The number of graph homomorphisms between paths and cycles with loops, a problem from Stanley’s enumerative combinatorics

Pages 115-130

10.22108/toc.2022.131646.1949

Zeinab Bandpey; Jonathan David Farley

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The normalized signless Laplacian Estrada index of graphs

Pages 131-142

10.22108/toc.2022.127155.1814

Ş. Burcu Bozkurt Altındağ; Emina I. Milovanovic; Marjan Matejic; Igor Milovanovic

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Transformations among rectangular partitions

Pages 143-163

10.22108/toc.2022.133242.1984

Vinod Kumar; Krishnendra Shekhawat

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Energy of strong reciprocal graphs

Pages 165-171

10.22108/toc.2022.134259.1999

Maryam Ghahremani; Abolfazl Tehranian; Hamid Rasouli; Mohammad Ali Hosseinzadeh

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Counterexamples to a conjecture on matching Kneser graphs

Pages 172-173

10.22108/toc.2022.132638.1961

Moharram N. Iradmusa

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