1. Numerical semigroups with distances no admisible between gaps greater than its multiplicityJ. C. Rosales, Manuel B. Branco, Márcio A. Traesel, 2025, izvirni znanstveni članek Opis: Let A pabe a nonempty subset of positive integers. In this paper we study the set of numerical semigroups that fulfill: if {x,y} ⊆ ℕ\S and x > y > min(S\{0}), then x-y ∉ A.
Ključne besede: Frobenius pseudo-varieties, genus number, numerical semigroups, PD(A)-semigroup and tree (associated to a PD(A)-semigroup)
Objavljeno v RUP: 21.12.2025; Ogledov: 207; Prenosov: 1
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3. Convexity deficit of benzenoidsNino Bašić, Sarah J. Berkemer, Jörg Fallmann, Patrick W. Fowler, Thomas Gatter, Tomaž Pisanski, Nancy Retzlaff, Peter F. Stadler, Sara Sabrina Zemljič, 2019, izvirni znanstveni članek Ključne besede: benzenoid, fusene, convexity deficit, convex benzenoid, quasi-convex benzenoid, pseudo-convex benzenoid
Objavljeno v RUP: 28.05.2020; Ogledov: 2988; Prenosov: 60
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