Compressed zero-divisor graph description for ideals in UFDs

From papers

Let DD be a unique factorization domain and let II be an ideal with a minimal expression

I=αΛk=1Qαpαksαk.I=\bigcup_{\alpha\in\Lambda}\left\langle\prod_{k=1}^{Q_\alpha}p_{\alpha_k}^{s_{\alpha_k}}\right\rangle.

Let ]¨ϕ:DD/I\"]\phi:D\to D/I be the canonical map, and let ]¨B\"]\mathfrak B be the zero-divisor basis of D/ID/I, consisting of suitable nonassociate divisors of the generators. The compressed zero-divisor graph has vertices represented by annihilator-equivalence classes of elements ]¨ϕ(idi)\"]\phi(\prod_i d_i) with each diBd_i\in\mathfrak B.

Compressed-graph structure conjecture. An edge joins the vertices represented by ]¨ϕ(idi)\"]\phi(\prod_i d_i) and ]¨ϕ(ibi)\"]\phi(\prod_i b_i) if and only if

nαidibin_\alpha\mid\prod_i d_i b_i

for some ]¨αΛ\"]\alpha\in\Lambda.

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Sources & referencesView supporting material

Primary source

Rachael Alvir, “Zero-Divisor Graphs of Quotient Rings”, arXiv:1508.02432 (2015).

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