The Erdős–Burgess constant finiteness conjecture for commutative rings

Let RR be a commutative unitary ring. Write J(R)J(R) for its Jacobson radical, and let \textscI(SR)\textsc{I}(\mathcal{S}_R) denote the Erdős–Burgess constant of the multiplicative semigroup SR\mathcal{S}_R. Suppose that

R/J(R)B×i=1tFqi,R/J(R)\cong B\times\prod\limits_{i=1}^t\mathbb{F}_{q_i},

where BB is an infinite Boolean unitary ring, t0t\geq 0, the Fqi\mathbb{F}_{q_i} are finite fields, and J(R)J(R) is finite. Erdős–Burgess constant finiteness conjecture. Under these conditions, \textscI(SR)\textsc{I}(\mathcal{S}_R) is finite. The preceding theorem gives these conditions as necessary for finiteness; the conjecture asserts their sufficiency and extends the established Noetherian and semi-local cases.

Sources & referencesView supporting material

Primary source

Guoqing Wang, “Existence of Erdős-Burgess constant in commutative rings”, arXiv:2005.08955 (2020).

Additional references

2 papers in this index state this conjecture (2018–2020). The statement above is taken from the most recent of them; the others are arXiv:1805.02166.

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