Friedrich Wehrung

101
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Publications

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Is addition definable from multiplication and successor?

Friedrich Wehrung

Forum Mathematicum, 2025, 37 (4), pp.1233--1252. ⟨10.1515/forum-2024-0245⟩

Article dans une revue hal-04571644v3
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Monotone-Cevian and finitely separable lattices

Miroslav Ploščica , Friedrich Wehrung

Order, 2025, 42 (1), pp.211-229. ⟨10.1007/s11083-024-09678-6⟩

Article dans une revue hal-04228820v2
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A solution to the MV-spectrum Problem in size aleph one

Miroslav Ploscica , Friedrich Wehrung

Journal of Algebra, 2024, 640, pp.253--273. ⟨10.1016/j.jalgebra.2023.10.024⟩

Article dans une revue hal-04040959v2
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Projective classes as images of accessible functors

Friedrich Wehrung

Journal of Logic and Computation, 2023, 33 (1), pp.90-135. ⟨10.1093/logcom/exac043⟩

Article dans une revue hal-03580184v3
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Real spectrum versus ℓ-spectrum via Brumfiel spectrum

Friedrich Wehrung

Algebras and Representation Theory, 2023, 26, pp.137--158. ⟨10.1007/s10468-021-10088-0⟩

Article dans une revue hal-01550450v3
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Spectral subspaces of spectra of Abelian lattice-ordered groups in size aleph one

Miroslav Ploščica , Friedrich Wehrung

Acta Scientiarum Mathematicarum, 2023, 89 (3-4), pp.339--356. ⟨10.1007/s44146-023-00080-z⟩

Article dans une revue hal-03696927v1
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Real spectra and ℓ-spectra of algebras and vector lattices over countable fields

Friedrich Wehrung

Journal of Pure and Applied Algebra, In press, ⟨10.1016/j.jpaa.2021.106861⟩

Article dans une revue hal-02179699v4
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Right-orderability versus left-orderability for monoids

Friedrich Wehrung

Semigroup Forum, 2021, 102 (3), pp.885--899. ⟨10.1007/s00233-021-10185-y⟩

Article dans une revue hal-02872310v2
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From non-commutative diagrams to anti-elementary classes

Friedrich Wehrung

Journal of Mathematical Logic, 2021, 21 (2), pp.2150011. ⟨10.1142/s0219061321500112⟩

Article dans une revue hal-02000602v4
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Cevian operations on distributive lattices

Friedrich Wehrung

Journal of Pure and Applied Algebra, 2020, 224 (4), pp.106202. ⟨10.1016/j.jpaa.2019.106202⟩

Article dans une revue hal-01988169v3
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Spectral spaces of countable abelian lattice-ordered groups

Friedrich Wehrung

Transactions of the American Mathematical Society, 2019, 371 (3), pp.2133--2158

Article dans une revue hal-01431444v3
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Gcd-monoids arising from homotopy groupoids

Friedrich Wehrung

Semigroup Forum, 2018, 97 (no. 3), pp.493--522. ⟨10.1007/s00233-018-9950-5⟩

Article dans une revue hal-01338106v4
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The equational theory of the weak order on finite symmetric groups

Luigi Santocanale , Friedrich Wehrung

Journal of the European Mathematical Society, 2018, 20 (8), pp.1959--2003. ⟨10.4171/JEMS/804⟩

Article dans une revue hal-00986148v2
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Varieties of Boolean inverse semigroups

Friedrich Wehrung

Journal of Algebra, 2018, 511, pp.114--147. ⟨10.1016/j.jalgebra.2018.06.018⟩

Article dans une revue hal-01386827v1
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Relative projectivity and transferability for partial lattices

Friedrich Wehrung

Order. A Journal on the Theory of Ordered Sets and its Applications, 2018, 35 (1), pp.111--132. ⟨10.1007/s11083-016-9421-0⟩

Article dans une revue hal-01222118v2
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Ranges of functors in algebra

Friedrich Wehrung

The Mathematics Student, 2018, 87 (1-2), pp.67--81

Article dans une revue hal-01856245v1
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Multifraction reduction III: The case of interval monoids

Patrick Dehornoy , Friedrich Wehrung

Journal of Combinatorial Algebra, 2017, 1 (4), pp.341--370

Article dans une revue hal-01338434v3
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The extended permutohedron on a transitive binary relation

Luigi Santocanale , Friedrich Wehrung

European Journal of Combinatorics, 2014, 42, pp.179--206. ⟨10.1016/j.ejc.2014.06.004⟩

Article dans une revue hal-00750265v3
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Lattices of regular closed subsets of closure spaces

Luigi Santocanale , Friedrich Wehrung

International Journal of Algebra and Computation, 2014, 24 (7), pp.969--1030. ⟨10.1142/S021819671450043X⟩

Article dans une revue hal-00836420v2
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Varieties of lattices with geometric descriptions

Luigi Santocanale , Friedrich Wehrung

Order, 2013, 30 (1), pp.13--38. ⟨10.1007/s11083-011-9225-1⟩

Article dans une revue hal-00564024v2
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Lifting defects for nonstable K_0-theory of exchange rings and C*-algebras

Friedrich Wehrung

Algebras and Representation Theory, 2013, 16 (2), pp.553--589. ⟨10.1007/s10468-011-9319-x⟩

Article dans une revue hal-00559268v2
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Sublattices of associahedra and permutohedra

Luigi Santocanale , Friedrich Wehrung

Advances in Applied Mathematics, 2013, 51 (3), pp.419--445. ⟨10.1016/j.aam.2013.03.003⟩

Article dans une revue hal-00577258v4
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Infinite combinatorial issues raised by lifting problems in universal algebra

Friedrich Wehrung

Order, 2012, 29 (2), pp.381--404. ⟨10.1007/s11083-011-9207-3⟩

Article dans une revue hal-00509814v2
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A non-coordinatizable sectionally complemented modular lattice with a large Jónsson four-frame

Friedrich Wehrung

Advances in Applied Mathematics, 2011, 47 (1), pp.173--193. ⟨10.1016/j.aam.2010.07.001⟩

Article dans une revue hal-00462951v2
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An infinite combinatorial statement with a poset parameter

Pierre Gillibert , Friedrich Wehrung

Combinatorica, 2011, 31 (2), pp.183--200. ⟨10.1007/s00493-011-2602-y⟩

Article dans une revue hal-00364329v2
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Large semilattices of breadth three

Friedrich Wehrung

Fundamenta Mathematicae, 2010, 208 (1), pp.1--21. ⟨10.4064/fm208-1-1⟩

Article dans une revue hal-00272111v2
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Coordinatization of lattices by regular rings without unit and Banaschewski functions

Friedrich Wehrung

Algebra Universalis, 2010, 64 (1), pp.49--67. ⟨10.1007/s00012-010-0088-x⟩

Article dans une revue hal-00371268v2
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Embedding properties of endomorphism semigroups

Joao Araujo , Friedrich Wehrung

Fundamenta Mathematicae, 2009, 202 (2), pp.125--146. ⟨10.4064/fm202-2-2⟩

Article dans une revue hal-00206738v2
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Finitely generated antisymmetric graph monoids

Pere Ara , Francesc Perera , Friedrich Wehrung

Journal of Algebra, 2008, 320 (5), pp.1963--1982. ⟨10.1016/j.jalgebra.2008.06.013⟩

Article dans une revue hal-00156906v2
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Poset representations of distributive semilattices

Friedrich Wehrung

International Journal of Algebra and Computation, 2008, 18 (2), pp.321--356. ⟨10.1142/S0218196708004469⟩

Article dans une revue hal-00016421v3
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Embedding coproducts of partition lattices

Friedrich Wehrung

Acta Scientiarum Mathematicarum, 2007, 73, pp.429--443

Article dans une revue hal-00175368v2
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A solution to Dilworth's Congruence Lattice Problem

Friedrich Wehrung

Advances in Mathematics, 2007, 216 (2), pp.610--625. ⟨10.1016/j.aim.2007.05.016⟩

Article dans une revue hal-00016422v5
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Distributive congruence lattices of congruence-permutable algebras

Pavel Ruzicka , Jiri Tuma , Friedrich Wehrung

Journal of Algebra, 2007, 311 (1), pp.96--116. ⟨10.1016/j.jalgebra.2006.11.005⟩

Article dans une revue hal-00004922v3
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A $K_0$-avoiding dimension group with an order-unit of index two

Friedrich Wehrung

Journal of Algebra, 2006, 301 (2), pp.728--747. ⟨10.1016/j.jalgebra.2005.06.003⟩

Article dans une revue hal-00004942v2
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Von Neumann coordinatization is not first-order

Friedrich Wehrung

Journal of Mathematical Logic, 2006, 6 (1), pp.1--24. ⟨10.1142/S0219061306000499⟩

Article dans une revue hal-00002843v3
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Semilattices of groups and nonstable K-theory of extended Cuntz limits

Enrique Pardo , Friedrich Wehrung

K-Theory, 2006, 37, pp.1--23. ⟨10.1007/s10977-006-0005-4⟩

Article dans une revue hal-00013765v2
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Congruence lifting of diagrams of finite Boolean semilattices requires large congruence varieties

Jiri Tuma , Friedrich Wehrung

International Journal of Algebra and Computation, 2006, 16 (3), pp.541--550. ⟨10.1142/S0218196706003049⟩

Article dans une revue hal-00003186v1
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Lifting retracted diagrams with respect to projectable functors

Friedrich Wehrung

Algebra Universalis, 2005, 54 (3), pp.349--371. ⟨10.1007/s00012-005-1951-z⟩

Article dans une revue hal-00002855v1
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Sublattices of complete lattices with continuity conditions

Friedrich Wehrung

Algebra Universalis, 2005, 53, no. 2-3, pp.149--173. ⟨10.1007/s00012-005-1878-4⟩

Article dans une revue hal-00003949v1
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Semilattices of groups and inductive limits of Cuntz algebras

Friedrich Wehrung , Ken Goodearl , Enrique Pardo

Journal für die reine und angewandte Mathematik, 2005, 588, pp.1--25. ⟨10.1515/crll.2005.2005.588.1⟩

Article dans une revue hal-00002856v1
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Distributive semilattices as retracts of ultraboolean ones; functorial inverses without adjunction

Friedrich Wehrung

Journal of Pure and Applied Algebra, 2005, 202 (1--3), pp.201--229. ⟨10.1016/j.jpaa.2005.02.009⟩

Article dans une revue hal-00002854v2
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Sublattices of lattices of order-convex sets, III. The case of totally ordered sets

Marina V. Semenova , Friedrich Wehrung

International Journal of Algebra and Computation, 2004, 14 (3), pp.357-387. ⟨10.1142/S021819670400175X⟩

Article dans une revue hal-00003977v1
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Sublattices of lattices of order-convex sets, I. The main representation theorem

Marina V. Semenova , Friedrich Wehrung

Journal of Algebra, 2004, 277 (2), pp.825--860. ⟨10.1016/j.jalgebra.2004.01.023⟩

Article dans une revue hal-00003980v1
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Sublattices of lattices of convex subsets of vector spaces

Friedrich Wehrung , Marina V. Semenova

Algebra and Logic, 2004, 43 (no. 3 (May-June 2004)), pp.145--161. ⟨10.1023/B:ALLO.0000028929.28946.d6⟩

Article dans une revue hal-00003955v1
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Semilattices of finitely generated ideals of exchange rings with finite stable rank

Friedrich Wehrung

Transactions of the American Mathematical Society, 2004, 356, no. 5, pp.1957-1970. ⟨10.1090/S0002-9947-03-03369-5⟩

Article dans une revue hal-00003951v1
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On the number of join-irreducibles in a congruence representation of a finite distributive lattice

George Grätzer , Friedrich Wehrung

Algebra Universalis, 2003, 49, pp.165-178. ⟨10.1007/s00012-003-1733-4⟩

Article dans une revue hal-00004027v1
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Direct decompositions of non-algebraic complete lattices

Friedrich Wehrung

Discrete Mathematics, 2003, 263 (1--3), pp.311-321. ⟨10.1016/S0012-365X(02)00790-2⟩

Article dans une revue hal-00004019v1
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Forcing extensions of partial lattices

Friedrich Wehrung

Journal of Algebra, 2003, 262 (1), pp.127--193. ⟨10.1016/S0021-8693(03)00015-2⟩

Article dans une revue hal-00004025v1
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Sublattices of lattices of order-convex sets, II. Posets of finite length

Marina V. Semenova , Friedrich Wehrung

International Journal of Algebra and Computation, 2003, 13 (5), pp.543--564. ⟨10.1142/S0218196703001547⟩

Article dans une revue hal-00003979v1
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Liftings of diagrams of semilattices by diagrams of dimension groups

Jiri Tuma , Friedrich Wehrung

Proceedings of the London Mathematical Society, 2003, 87 (3), pp.1-28. ⟨10.1112/S0024611502013941⟩

Article dans une revue hal-00004021v1
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Embedding finite lattices into finite biatomic lattices

Kira Adaricheva , Friedrich Wehrung

Order, 2003, 20 (1), pp.31--48. ⟨10.1023/A:1024463510392⟩

Article dans une revue istex hal-00004018v1
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A survey of recent results on congruence lattices of lattices

Jiri Tuma , Friedrich Wehrung

Algebra Universalis, 2002, 48 (4), pp.439--471. ⟨10.1007/s000120200011⟩

Article dans une revue hal-00004020v1
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Unsolvable one-dimensional lifting problems for congruence lattices of lattices

Jiri Tuma , Friedrich Wehrung

Forum Mathematicum, 2002, 14 (4), pp.483--493. ⟨10.1515/form.2002.022⟩

Article dans une revue hal-00004023v1
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From join-irreducibles to dimension theory for lattices with chain conditions

Friedrich Wehrung

Journal of Algebra and Its Applications, 2002, 1 (2), pp.1--28. ⟨10.1142/S0219498802000148⟩

Article dans une revue hal-00004017v1
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Solutions to five problems on tensor products of lattices and related matters

Friedrich Wehrung

Algebra Universalis, 2002, 47, no. 4, pp.479-493. ⟨10.1007/s00012-002-8200-5⟩

Article dans une revue hal-00004024v1
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Join-semilattices with two-dimensional congruence amalgamation

Friedrich Wehrung

Colloquium Mathematicum, 2002, 93 (2), pp.209--235. ⟨10.4064/cm93-2-2⟩

Article dans une revue hal-00004022v1
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A survey of tensor products and related constructions in two lectures

George Grätzer , Friedrich Wehrung

Algebra Universalis, 2001, 45 (2-3), pp.117-134. ⟨10.1007/s00012-001-8155-y⟩

Article dans une revue hal-00004041v1
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Simultaneous representations of semilattices by lattices with permutable congruences

Jiri Tuma , Friedrich Wehrung

International Journal of Algebra and Computation, 2001, 11, no. 2, pp.217-246. ⟨10.1142/S0218196701000516⟩

Article dans une revue hal-00004042v1
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Representations of distributive semilattices in ideal lattices of various algebraic structures

Ken Goodearl , Friedrich Wehrung

Algebra Universalis, 2001, 45, pp.71-102. ⟨10.1007/s000120050203⟩

Article dans une revue hal-00004050v1
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Tensor products of semilattices with zero, revisited

George Grätzer , Friedrich Wehrung

Journal of Pure and Applied Algebra, 2000, 147 (3), pp.273--301. ⟨10.1016/S0022-4049(98)00145-5⟩

Article dans une revue hal-00004051v1
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The Strong Independence Theorem for automorphism groups and congruence lattices of arbitrary lattices

George Grätzer , Friedrich Wehrung

Advances in Applied Mathematics, 2000, 24 (3), pp.181-221. ⟨10.1006/aama.1999.0661⟩

Article dans une revue hal-00004030v1
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Congruence amalgamation of lattices

George Grätzer , Harry Lakser , Friedrich Wehrung

Acta Sci. Math. (Szeged), 2000, 66, pp.339-358

Article dans une revue hal-00004029v1
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Finitely presented, coherent, and ultrasimplicial ordered abelian groups

Jean-François Caillot , Friedrich Wehrung

Semigroup Forum, 2000, 61 (1), pp.116-137. ⟨10.1007/PL00006008⟩

Article dans une revue hal-00004048v1
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Representation of algebraic distributive lattices with $\aleph_1$ compact elements as ideal lattices of regular rings

Friedrich Wehrung

Publicacions Matemàtiques, 2000, 44, no. 2, pp.419-435

Article dans une revue hal-00004026v1
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Tensor products and transferability of semilattices

George Grätzer , Friedrich Wehrung

Canadian Journal of Mathematics = Journal Canadien de Mathématiques, 1999, 51, pp.792--815. ⟨10.4153/CJM-1999-034-6⟩

Article dans une revue hal-00004045v1
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Finitely presented and coherent ordered modules and rings

Friedrich Wehrung

Communications in Algebra, 1999, 27 (12), pp.5893--5919. ⟨10.1080/00927879908826797⟩

Article dans une revue hal-00004049v1
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Proper congruence-preserving extensions of lattices

George Grätzer , Friedrich Wehrung

Acta Mathematica Hungarica, 1999, 85 (1-2), pp.169-179. ⟨10.1023/A:1006693517705⟩

Article dans une revue hal-00004053v1
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A new lattice construction: the box product

George Grätzer , Friedrich Wehrung

Journal of Algebra, 1999, 221 (1), pp.315--344. ⟨10.1006/jabr.1999.7975⟩

Article dans une revue hal-00004044v1
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The M_{3}[D] construction and n-modularity

George Grätzer , Friedrich Wehrung

Algebra Universalis, 1999, 41, no. 2, pp.87-114. ⟨10.1007/s000120050102⟩

Article dans une revue hal-00004046v1
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A uniform refinement property for congruence lattices

Friedrich Wehrung

Proceedings of the American Mathematical Society, 1999, 127 (2), pp.363-370. ⟨10.1090/S0002-9939-99-04558-X⟩

Article dans une revue hal-00004063v1
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Flat semilattices

George Grätzer , Friedrich Wehrung

Colloquium Mathematicum, 1999, 79, no. 2, pp.185-191

Article dans une revue hal-00004047v1
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The dimension monoid of a lattice

Friedrich Wehrung

Algebra Universalis, 1998, 40, no. 3, pp.247-411. ⟨10.1007/s000120050091⟩

Article dans une revue hal-00004052v2
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Congruence lattices of free lattices in non-distributive varieties

Miroslav Ploscica , Jiri Tuma , Friedrich Wehrung

Colloquium Mathematicum, 1998, 76, no. 2, pp.269-278

Article dans une revue hal-00004064v1
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Embedding simple commutative monoids into simple refinement monoids

Friedrich Wehrung

Semigroup Forum, 1998, 56 (1), pp.104--129. ⟨10.1007/s00233-002-7008-0⟩

Article dans une revue hal-00004373v1
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Non-measurability properties of interpolation vector spaces

Friedrich Wehrung

Israel Journal of Mathematics, 1998, 103 (1), pp.177--206. ⟨10.1007/BF02762273⟩

Article dans une revue hal-00004065v1
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Norm-closed intervals of norm-complete ordered abelian groups

Friedrich Wehrung

Positivity, 1997, 1 (3), pp.271-290. ⟨10.1023/A:1009712111747⟩

Article dans une revue hal-00004067v1
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Monoids of intervals of ordered abelian groups

Friedrich Wehrung

Journal of Algebra, 1996, 182, pp.287-328. ⟨10.1006/jabr.1996.0172⟩

Article dans une revue hal-00004068v1
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A compactness property of Dedekind $\sigma$-complete f-rings

Friedrich Wehrung

Algebra Universalis, 1996, 36 (4), pp.511-522. ⟨10.1007/BF01233921⟩

Article dans une revue hal-00004655v1
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Monotone sigma-complete groups with unbounded refinement

Friedrich Wehrung

Fundamenta Mathematicae, 1996, 151, pp.177-187

Article dans une revue hal-00004375v1
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Tensor products of structures with interpolation

Friedrich Wehrung

Pacific Journal of Mathematics, 1996, 176, no. 1, pp.267-285

Article dans une revue hal-00004374v1
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Bounded countable atomic compactness of ordered groups

Friedrich Wehrung

Fundamenta Mathematicae, 1995, 148, pp.101-116

Article dans une revue hal-00004657v1
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Equational compactness of bi-frames and projection algebras

Friedrich Wehrung

Algebra Universalis, 1995, 33 (4), pp.478-515. ⟨10.1007/BF01225471⟩

Article dans une revue hal-00004209v1
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Treillis bi-locaux équationnellement compacts

Friedrich Wehrung

Comptes rendus de l'Académie des sciences. Série I, Mathématique, 1994, 318, pp.5-9

Article dans une revue hal-00004678v1
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Common extensions of semigroup-valued charges

R.M. Shortt , Friedrich Wehrung

Journal of Mathematical Analysis and Applications, 1994, 187 (1), pp.235--258. ⟨10.1006/jmaa.1994.1354⟩

Article dans une revue hal-00004679v1
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Restricted injectivity, transfer property and decompositions of separative positively ordered monoids

Friedrich Wehrung

Communications in Algebra, 1994, 22 (5), pp.1747--1781. ⟨10.1080/00927879408824934⟩

Article dans une revue hal-00004694v1
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Baire paradoxical decompositions need at least 6 pieces

Friedrich Wehrung

Proceedings of the American Mathematical Society, 1994, 121 (2), pp.643--644. ⟨10.1090/S0002-9939-1994-1209101-9⟩

Article dans une revue hal-00004680v1
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The universal theory of ordered equidecomposability types semigroups

Friedrich Wehrung

Canadian Journal of Mathematics = Journal Canadien de Mathématiques, 1994, 46 (5), pp.1093--1120. ⟨10.4153/CJM-1994-062-3⟩

Article dans une revue hal-00004671v1
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Metric properties of positively ordered monoids

Friedrich Wehrung

Forum Mathematicum, 1993, 5 (5), pp.183--201. ⟨10.1515/form.1993.5.183⟩

Article dans une revue istex hal-00004710v1
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Boolean universes above Boolean models

Friedrich Wehrung

The Journal of Symbolic Logic, 1993, 58, no. 4, pp.1219-1250

Article dans une revue hal-00004693v1
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Injective positively ordered monoids I

Friedrich Wehrung

Journal of Pure and Applied Algebra, 1992, 83 (1), pp.43--82. ⟨10.1016/0022-4049(92)90104-N⟩

Article dans une revue hal-00004711v1
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Injective positively ordered monoids II

Friedrich Wehrung

Journal of Pure and Applied Algebra, 1992, 83 (1), pp.83--100. ⟨10.1016/0022-4049(92)90105-O⟩

Article dans une revue hal-00004712v1
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The Hahn-Banach Theorem implies the existence of a non-Lebesgue measurable set

Matthew Foreman , Friedrich Wehrung

Fundamenta Mathematicae, 1991, 138, no. 1, pp.13-19

Article dans une revue hal-00004713v1
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Gerbes primitives

Friedrich Wehrung

Comptes rendus de l'Académie des sciences. Série I, Mathématique, 1991, 313, pp.357-362

Article dans une revue hal-00004806v1
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Théorème de Hahn-Banach et paradoxes continus ou discrets

Friedrich Wehrung

Comptes rendus de l'Académie des sciences. Série I, Mathématique, 1990, 310, pp.303-306

Article dans une revue hal-00004714v1

Generalizations of the permutohedron

Luigi Santocanale , Friedrich Wehrung

G. Gratzer; F. Wehrung. Lattice Theory: Special Topics and Applications, Birkhäuser, pp.287--397, 2016

Chapitre d'ouvrage hal-01774635v1

Permutohedra and Associahedra

Nathalie Caspard , Luigi Santocanale , Friedrich Wehrung

Lattice Theory: Special Topics and Applications (Volume 2), Birkhäuser / Springer, pp.215--286, 2016, ⟨10.1007/978-3-319-44236-5⟩

Chapitre d'ouvrage hal-01700866v1