activity
20222026
collaborators

6 papers

math.CO2026

Shuriken Graphs Arising from Clean Graphs of Rings and Their Properties Relative to Base Graphs

Felicia Servina Djuang, Indah Emilia Wijayanti, Yeni Susanti

Let be a finite ring with identity. The idempotent graph is the graph whose vertex set consists of the non-trivial idempotent elements of , where two distinct vertice…

math.CO2025

Isomorphism of Clean Graphs over and Structural Insight into

Felicia Servina Djuang, Indah Emilia Wijayanti, Yeni Susanti

Let be a finite ring with identity. The clean graph of a ring is a graph whose vertices are pairs , where is an idempotent element and is a unit of…

math.RA2025

On -derivations and Jordan -derivations on modules

Gusti Ayu Dwi Yanti, Indah Emilia Wijayanti

Let be a ring with identity, right modules over . An additive mapping from to is called derivation on ring if it satisfies the Leibniz condition. If $δ…

math.RA2025

Clean Graphs and Idempotent Graphs over Finite Rings: An Approach Based on Z_n

Felicia Servina Djuang, Indah Emilia Wijayanti, Yeni Susanti

Let be a finite ring with identity. The idempotent graph is the graph whose vertex set consists of the non-trivial idempotent elements of , where two distinct vertice…

cs.IT2024

On Codes over Eisenstein Integers

Abdul Hadi, Uha Isnaini, Indah Emilia Wijayanti +1

We propose constructions of codes over quotient rings of Eisenstein integers equipped with the Euclidean, square Euclidean, and hexagonal distances as a generalization of codes ove…

math.RA2022

Continuous Comodules

Nikken Prima Puspita, Indah Emilia Wijayanti, Budi Surodjo

Let be a commutative ring with unity and be an -coalgebra. The ring is clean if every is the sum of a unit and an idempotent element of . An -module…