Faisal Susanto
Bina Nusantara University

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Total Absolute Difference Edge Irregularity Strength of Several Ladder-type Graphs Faisal Susanto; Kristiana Wijaya
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Volume 14 Issue 2 August 2026
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/euler.v14i2.39334

Abstract

This paper studies edge irregular total absolute difference labeling for several classes of ladder-related graphs, namely triangular ladders, alternating triangulated ladders, and double triangulated ladders. By deriving coinciding lower and upper bounds, the precise values for the total absolute difference edge irregularity strength of these graphs are successfully established.
On H-Irregularity Strengths of Square Chain Graphs Faisal Susanto
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Vol. 23 No. 1 (2026)
Publisher : Program Studi Matematika, Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/2540766X.2026.v23.i1.17989

Abstract

This paper investigates three types of graph labeling schemes, namely H-irregular vertex, edge, and total labeling. These labeling frameworks are examined in the context of square chain graphs SCn for n>=1. Furthermore, by establishing matching lower and upper bounds, the exact values of the vertex, edge, and total SCm-irregularity strengths of SCn are determined for all m with 1<=m<=n.