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Prime Ideals and Projective Closure in the Boolean Polynomial Semiring

Year: 2026
Type: preprint
Abstract: In this paper, we investigate two related questions concerning the Boolean polynomial semiring in two variables. First, we study prime ideals in $\mathbb{B}[x,y]$, beginning with a complete classification of those generated by linear polynomials. Second, motivated by the limitations of ideals in capturing geometric phenomena over semirings, we introduce a notion of projective closure via congruences. We prove that this projective closure coincides with the topological closure in the projective space of prime congruences.
Language: English
Open Access status: green
OpenAlex ID: W7215035805
Cites: 5
Cited by:
Related to: 10