Vol. 13, No. 1, 2024

• Editorial
• PDF 517.58 K

The reformulated sombor index of a graph

Pages 1-16

10.22108/toc.2022.134155.1994

N. Harish; B. Sarveshkumar; B. Chaluvaraju

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•   4

On graphs with anti-reciprocal eigenvalue property

Pages 17-30

10.22108/toc.2022.135210.2015

Sadia Akhter; Uzma Ahmad; Saira Hameed

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Hadamard matrices of composite orders

Pages 31-40

10.22108/toc.2022.133659.1989

Tianbing Xia; Guoxin Zuo; Liantang Lou; Mingyuan Xia

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•   1

A spanning union of cycles in rectangular grid graphs, thick grid cylinders and Moebius strips

Pages 41-66

10.22108/toc.2022.131614.1940

Jelena Đokić; Olga Bodroža-Pantić; Ksenija Doroslovački

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•   3

Columns of fixed height in bargraphs

Pages 67-84

10.22108/toc.2023.132462.1957

Margaret Archibald; Aubrey Blecher; Arnold Knopfmacher

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On variable sum exdeg energy of graphs

Pages 85-103

10.22108/toc.2023.133151.1978

Sumaira Hafeez; Rashid Farooq; Amina Saher

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Comparing upper broadcast domination and boundary independence broadcast numbers of graphs

Pages 105-126

10.22108/toc.2023.127904.1836

Kieka Mynhardt; Linda Neilson

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•   2