This issue features international research from Indonesia, India, Japan, and Malaysia. This issue explores the intersection of theoretical mathematics and computational innovation, spanning topics from Subsemimodules and Smarandache Semigroups to the introduction of Soft MultiExpert Graphs. It also presents practical advancements in State Space Representation for VAR forecasting, solutions for Guillotine Cutting-Stock problems, and User-Centered Design for optimizing power protection systems at PT PLN (Persero).

Published: 2026-03-18

Upper and Lower Approximations of Subsemimodules in Semimodules over Semirings

D. R. Bonde, K. J. Ingale, H. P. Bendale

1-5

This article was first published on March 18, 2026
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Note for Soft MultiExpert Graph and MultiSoft MultiExpert Graph

Takaaki Fujita

6-15

This article was first published on March 18, 2026
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Application of State Space Representation on Vector Autoregressive (Var) Models for Forecasting

Oktaviana S., Widiarti, Mustofa Usman, Edwin Russel, Jamal I. Daoud

16-25

This article was first published on March 18, 2026
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Characterization and Cartesian Product of Smarandache Semigroups (S-semigroups)

Laila Karimatul Fadhilah, Suryoto, Nikken Prima Puspita, Titi Udjiani

26-33

This article was first published on March 18, 2026
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Approximation Method for Solving Rectangular Guillotine Cutting-Stock Problems

Abdul Rahman, Ihda Hasbiyati, Wamiliana, Moh Danil Hendry Gamal

34-42

This article was first published on March 18, 2026
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Optimizing Protection Settings at PT PLN (PERSERO) UP2D Lampung through User-Centered Design and Model-View-Controller Architecture

Dewi Asiah Shofiana, Yunda Heningtyas, Siti Ayuni

43-48

This article was first published on March 18, 2026
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