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On r-small intersection graph of modules | ||
| Caspian Journal of Mathematical Sciences | ||
| دوره 15، شماره 2 - شماره پیاپی 30، اسفند 2026، صفحه 322-331 اصل مقاله (134.39 K) | ||
| نوع مقاله: Research Articles | ||
| شناسه دیجیتال (DOI): 10.22080/cjms.2026.30838.1792 | ||
| نویسندگان | ||
| Yasaman Nezhadhoseinian* ؛ Amirmohammad Momeni Kohestani | ||
| Department of Mathematics, Universitty of Mazandaran, Babolsar, Iran | ||
| تاریخ دریافت: 29 آذر 1404، تاریخ بازنگری: 15 فروردین 1405، تاریخ پذیرش: 24 فروردین 1405 | ||
| چکیده | ||
| In this paper, we introduce a new algebraic graph associated with modules, called the $r$-small intersection graph of an $A$-module $T$, denoted by $\Gamma_{r}(T)$. The vertices of $\Gamma_{r}(T)$ are all nonzero submodules of $T$, and two distinct vertices are adjacent if and only if their intersection is an $r$-small submodule of $T$. We investigate how algebraic properties of modules influence graph-theoretic properties of $\Gamma_{r}(T)$. In particular, we study connectedness, diameter, girth, planarity and completeness of $\Gamma_{r}(T)$. Among other results, we show that for certain classes of modules, the graph $\Gamma_{r}(T)$ has diameter at most $2$ and we characterize when $\Gamma_{r}(T)$ is complete or a tree. | ||
| کلیدواژهها | ||
| r-small؛ Intersection graph؛ Small submodule | ||
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آمار تعداد مشاهده مقاله: 49 تعداد دریافت فایل اصل مقاله: 2 |
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