Search Results - "Jipsen, Peter"

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  1. 1

    Residuated frames with applications to decidability by GALATOS, NIKOLAOS, JIPSEN, PETER

    “…Residuated frames provide relational semantics for substructural logics and are a natural generalization of Kripke frames in intuitionistic and modal logic,…”
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  2. 2

    Varieties of unary-determined distributive $\ell$-magmas and bunched implication algebras by Alpay, Natanael, Jipsen, Peter, Sugimoto, Melissa

    Published in Logical methods in computer science (07-02-2024)
    “…A distributive lattice-ordered magma ($d\ell$-magma) $(A,\wedge,\vee,\cdot)$ is a distributive lattice with a binary operation $\cdot$ that preserves joins in…”
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  3. 3

    On generalized hoops, homomorphic images of residuated lattices, and (G)BL-algebras by Jipsen, Peter

    Published in Soft computing (Berlin, Germany) (2017)
    “…Right-residuated binars and right-divisible residuated binars are defined as precursors of generalized hoops, followed by some results and open problems about…”
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  4. 4

    Distributive residuated frames and generalized bunched implication algebras by Galatos, Nikolaos, Jipsen, Peter

    Published in Algebra universalis (01-11-2017)
    “…We show that all extensions of the (non-associative) Gentzen system for distributive full Lambek calculus by simple structural rules have the cut elimination…”
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  5. 5

    Nonassociative right hoops by Jipsen, Peter, Kinyon, Michael

    Published in Algebra universalis (01-12-2019)
    “…The class of nonassociative right hoops, or narhoops for short, is defined as a subclass of naturally ordered right-residuated magmas, and is shown to be a…”
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  6. 6

    Distributive laws in residuated binars by Fussner, Wesley, Jipsen, Peter

    Published in Algebra universalis (01-12-2019)
    “…In residuated binars there are six non-obvious distributivity identities of · , / , \ over ∧ , ∨ . We show that in residuated binars with distributive lattice…”
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  7. 7

    varvec{S}$$-preclones and the Galois connection $$\varvec{{}^{S}{}\textrm{Pol}}$$–$$\varvec{{}^{S}{}\textrm{Inv}}$$, Part I by Jipsen, Peter, Lehtonen, Erkko, Pöschel, Reinhard

    Published in Algebra universalis (01-08-2024)
    “…We consider S - operations $$f :A^{n} \rightarrow A$$ f : A n → A in which each argument is assigned a signum $$s \in S$$ s ∈ S representing a “property” such…”
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  8. 8

    The structure of generalized BI-algebras and weakening relation algebras by Galatos, Nikolaos, Jipsen, Peter

    Published in Algebra universalis (01-08-2020)
    “…Generalized bunched implication algebras (GBI-algebras) are defined as residuated lattices with a Heyting implication, and are positioned between Boolean…”
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  9. 9

    Generating all finite modular lattices of a given size by Jipsen, Peter, Lawless, Nathan

    Published in Algebra universalis (01-11-2015)
    “…Modular lattices, introduced by R. Dedekind, are an important subvariety of lattices that includes all distributive lattices. Heitzig and Reinhold [ 8 ]…”
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  10. 10
  11. 11

    S-preclones and the Galois connection SPol–SInv, Part I by Jipsen, Peter, Lehtonen, Erkko, Pöschel, Reinhard

    Published in Algebra universalis (2024)
    “…We consider S - operations f : A n → A in which each argument is assigned a signum s ∈ S representing a “property” such as being order-preserving or…”
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  12. 12

    The structure of finite commutative idempotent involutive residuated lattices by Jipsen, Peter, Tuyt, Olim, Valota, Diego

    Published in Algebra universalis (01-11-2021)
    “…We characterize commutative idempotent involutive residuated lattices as disjoint unions of Boolean algebras arranged over a distributive lattice. We use this…”
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  13. 13

    Structure theorems for idempotent residuated lattices by Gil-Férez, José, Jipsen, Peter, Metcalfe, George

    Published in Algebra universalis (01-05-2020)
    “…In this paper we study structural properties of residuated lattices that are idempotent as monoids. We provide descriptions of the totally ordered members of…”
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  14. 14

    Topological duality and lattice expansions, I: A topological construction of canonical extensions by Moshier, M. Andrew, Jipsen, Peter

    Published in Algebra universalis (01-04-2014)
    “…The two main objectives of this paper are (a) to prove purely topological duality theorems for semilattices and bounded lattices, and (b) to show that the…”
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  15. 15

    A finite axiomatization of positive MV-algebras by Abbadini, Marco, Jipsen, Peter, Kroupa, Tomáš, Vannucci, Sara

    Published in Algebra universalis (01-08-2022)
    “…Positive MV-algebras are the subreducts of MV-algebras with respect to the signature { ⊕ , ⊙ , ∨ , ∧ , 0 , 1 } . We provide a finite quasi-equational…”
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  16. 16

    Topological duality and lattice expansions, II: Lattice expansions with quasioperators by Moshier, M. Andrew, Jipsen, Peter

    Published in Algebra universalis (01-05-2014)
    “…The main objective of this paper (the second of two parts) is to show that quasioperators can be dealt with smoothly in the topological duality established in…”
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  17. 17

    Lattice-ordered pregroups are semi-distributive by Galatos, Nick, Jipsen, Peter, Kinyon, Michael, Přenosil, Adam

    Published in Algebra universalis (01-02-2021)
    “…We prove that the lattice reduct of every lattice-ordered pregroup is semidistributive. This is a consequence of a certain weak form of the distributive law…”
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  18. 18

    Relation algebras as expanded FL-algebras by Galatos, Nikolaos, Jipsen, Peter

    Published in Algebra universalis (01-02-2013)
    “…This paper studies generalizations of relation algebras to residuated lattices with a unary De Morgan operation. Several new examples of such algebras are…”
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  19. 19

    Periodic lattice-ordered pregroups are distributive by Galatos, Nikolaos, Jipsen, Peter

    Published in Algebra universalis (01-10-2012)
    “…It is proved that any lattice-ordered pregroup that satisfies an identity of the form x ll ··· l = x rr ··· r (for the same number of l , r -operations on each…”
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  20. 20

    ON TARSKI’S AXIOMATIC FOUNDATIONS OF THE CALCULUS OF RELATIONS by ANDRÉKA, HAJNAL, GIVANT, STEVEN, JIPSEN, PETER, NÉMETI, ISTVÁN

    Published in The Journal of symbolic logic (01-09-2017)
    “…It is shown that Tarski’s set of ten axioms for the calculus of relations is independent in the sense that no axiom can be derived from the remaining axioms…”
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