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Found 201 Documents (Results 1–100)

Congruences on lattices and lattice-valued functions. (English) Zbl 1509.06003

Cornejo, María Eugenia (ed.) et al., Computational intelligence and mathematics for tackling complex problems 2. Selected papers based on the presentations at the 11th European symposium on computational intelligence and mathematics, Toledo, Spain, October 2–5, 2019. Cham: Springer. Stud. Comput. Intell. 955, 219-228 (2022).
MSC:  06B23 03E72 06B10
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A weakened notion of congruence to reduce concept lattices. (English) Zbl 1509.68249

Cornejo, María Eugenia (ed.) et al., Computational intelligence and mathematics for tackling complex problems 2. Selected papers based on the presentations at the 11th European symposium on computational intelligence and mathematics, Toledo, Spain, October 2–5, 2019. Cham: Springer. Stud. Comput. Intell. 955, 139-145 (2022).
MSC:  68T30 06B10
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Lorenzen’s reshaping of Krull’s Fundamentalsatz for integral domains (1938–1953). (English) Zbl 1484.01013

Heinzmann, Gerhard (ed.) et al., Paul Lorenzen – mathematician and logician. Contributions presented at the workshop, Konstanz, Germany, March 8–9, 2018. Cham: Springer. Log. Epistemol. Unity Sci. 51, 143-183 (2021).
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PBZ*-lattices: ordinal and horizontal sums. (English) Zbl 1498.06018

Fazio, Davide (ed.) et al., Algebraic perspectives on substructural logics. Selected papers based on the presentations at the workshop AsubL (Algebra & Substructural Logics – Take 6), Cagliari, Italy, June 11–13, 2018. Cham: Springer. Trends Log. Stud. Log. Libr. 55, 73-105 (2021).
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On the hierarchy of equivalence classes provided by local congruences. (English) Zbl 1509.68250

Bello, Rafael (ed.) et al., Rough sets. International joint conference, IJCRS 2020, Havana, Cuba, June 29 – July 3, 2020. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 12179, 298-307 (2020).
MSC:  68T30 06B10
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Oriented flip graphs and noncrossing tree partitions. (English. French summary) Zbl 1440.05255

Proceedings of the 28th international conference on formal power series and algebraic combinatorics, FPSAC 2016, Vancouver, Canada, July 4–8, 2016. Nancy: The Association. Discrete Mathematics & Theoretical Computer Science (DMTCS). Discrete Math. Theor. Comput. Sci., Proc., 539-550 (2020).
MSC:  05E45 05C05 13F60
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On 2-absorbing and weakly 2-absorbing ideals in product lattices. (English) Zbl 1490.06004

Ashraf, Mohammad (ed.) et al., Algebra and its applications. Proceedings of the international conference held at Aligarh Muslim University, Aligarh, India, November 12–14, 2016. Berlin: De Gruyter. De Gruyter Proc. Math., 253-263 (2018).
MSC:  06B10 06B05
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A note on CESS-lattices. (English) Zbl 1528.06010

Ashraf, Mohammad (ed.) et al., Algebra and its applications. Proceedings of the international conference held at Aligarh Muslim University, Aligarh, India, November 12–14, 2016. Berlin: De Gruyter. De Gruyter Proc. Math., 151-162 (2018).
MSC:  06B10 06B05
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Complexity of membership problems of different types of polynomial ideals. (English) Zbl 1402.13025

Böckle, Gebhard (ed.) et al., Algorithmic and experimental methods in algebra, geometry, and number theory. Cham: Springer (ISBN 978-3-319-70565-1/hbk; 978-3-319-70566-8/ebook). 481-493 (2017).
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On ideal theory for lattices. (English) Zbl 1369.06003

Syam Prasad, Kuncham (ed.) et al., Nearrings, nearfields and related topics. Lecture notes of the 24th international conference, MIT, Manipal University, Manipal, India, July 5–12, 2015. Hackensack, NJ: World Scientific (ISBN 978-981-3207-35-6/hbk; 978-981-3207-37-0/ebook). 99-105 (2017).
MSC:  06B10
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Benchmarking over distributive lattices. (English) Zbl 1452.68201

Carvalho, Joao Paulo (ed.) et al., Information processing and management of uncertainty in knowledge-based systems. 16th international conference, IPMU 2016, Eindhoven, The Netherlands, June 20–24, 2016. Proceedings. Part I. Cham: Springer. Commun. Comput. Inf. Sci. 610, 117-125 (2016).
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Affine complete algebras. (English) Zbl 1390.08002

Toni, Bourama (ed.), Mathematical sciences with multidisciplinary applications. In honor of Professor Christiane Rousseau, and in recognition of the Mathematics for Planet Earth initiative. Cham: Springer (ISBN 978-3-319-31321-4/hbk; 978-3-319-31323-8/ebook). Springer Proceedings in Mathematics & Statistics 157, 235-252 (2016).
MSC:  08A40 08A30 54E35
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Generalizations of the permutohedron. (English) Zbl 1426.06002

Grätzer, George (ed.) et al., Lattice theory: special topics and applications. Volume 2. Basel: Birkhäuser/Springer. 287-397 (2016).
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Lattices of algebraic subsets and implicational classes. (English) Zbl 1375.06005

Grätzer, George (ed.) et al., Lattice theory: special topics and applications. Volume 2. Basel: Birkhäuser/Springer (ISBN 978-3-319-44235-8/pbk; 978-3-319-44236-5/ebook). 103-151 (2016).
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Lattice structure of Grassmann-Tamari orders. (English. French summary) Zbl 1335.05225

Proceedings of the 27th international conference on formal power series and algebraic combinatorics, FPSAC 2015, Daejeon, South Korea, July 6–10, 2015. Nancy: The Association. Discrete Mathematics & Theoretical Computer Science (DMTCS). Discrete Mathematics and Theoretical Computer Science. Proceedings, 417-428 (2015).
MSC:  05E15 14N15 13F55 06A07
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A lattice on decreasing trees: the metasylvester lattice. (English. French summary) Zbl 1335.05178

Proceedings of the 27th international conference on formal power series and algebraic combinatorics, FPSAC 2015, Daejeon, South Korea, July 6–10, 2015. Nancy: The Association. Discrete Mathematics & Theoretical Computer Science (DMTCS). Discrete Mathematics and Theoretical Computer Science. Proceedings, 381-392 (2015).
MSC:  05Exx 05C05
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Some observations on oligarchies, internal direct sums, and lattice congruences. (English) Zbl 1365.06002

Aleskerov, Fuad (ed.) et al., Clusters, orders, and trees: methods and applications. In honor of Boris Mirkin’s 70th birthday. Collected papers based on the presentations at the international workshop, Moscow, Russia, December 12–13, 2012. New York, NY: Springer (ISBN 978-1-4939-0741-0/hbk; 978-1-4939-0742-7/ebook). Springer Optimization and Its Applications 92, 231-247 (2014).
MSC:  06B10 06B05
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Two more topics on congruence lattices of lattices. (English) Zbl 1352.06006

Grätzer, George (ed.) et al., Lattice theory: special topics and applications. Volume 1. Cham: Birkhäuser/Springer (ISBN 978-3-319-06412-3/hbk; 978-3-319-06413-0/ebook). 393-435 (2014).
MSC:  06B10 06B23 06B05
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Congruences of lattices and ideals of rings. (English) Zbl 1345.06006

Grätzer, George (ed.) et al., Lattice theory: special topics and applications. Volume 1. Cham: Birkhäuser/Springer (ISBN 978-3-319-06412-3/hbk; 978-3-319-06413-0/ebook). 297-335 (2014).
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Attribute reduction in object oriented concept lattices based on congruence relations. (English) Zbl 1323.68476

Miao, Duoqian (ed.) et al., Rough sets and knowledge technology. 9th international conference, RSKT 2014, Shanghai, China, October 24–26, 2014. Proceedings. Cham: Springer (ISBN 978-3-319-11739-3/pbk; 978-3-319-11740-9/ebook). Lecture Notes in Computer Science 8818. Lecture Notes in Artificial Intelligence, 139-148 (2014).
MSC:  68T30 68T37
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Lattice-semigroups tree automation’s congruence and homomorphism. (English) Zbl 1308.68077

Cao, Bing-Yuan (ed.) et al., Fuzzy information and engineering and operations research and management. Based on the presentations at the 6th international conference, ICFIE 2012, Babolsar, Iran, October 25–26, 2012 and at the 6th academic conference on fuzzy information and engineering branch of Operation Research Society of China (FIEBORSC 2012), Shenzhen, China, December 18–24, 2012. Berlin: Springer (ISBN 978-3-642-38666-4/pbk; 978-3-642-38667-1/ebook). Advances in Intelligent Systems and Computing 211, 161-171 (2014).
MSC:  68Q70 20M35
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Induction in algebra: a first case study. (English) Zbl 1364.03086

Proceedings of the 2012 27th annual ACM/IEEE symposium on logic in computer science, LICS 2012, Dubrovnik, Croatia, June 25–28, 2012. Los Alamitos, CA: IEEE Computer Society (ISBN 978-0-7695-4769-5). 581-585 (2012).
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Congruence preserving functions on median algebras. (English) Zbl 1234.08005

Chajda, I. (ed.) et al., Proceedings of the 79th workshop on general algebra “79. Arbeitstagung Allgemeine Algebra”, 25th conference of young algebraists, Palacký University Olomouc, Olomouc, Czech Republic, February 12–14, 2010. Klagenfurt: Verlag Johannes Heyn (ISBN 978-3-7084-0407-3/pbk). Contributions to General Algebra 19, 179-186 (2010).
MSC:  08A30 06B10 08A40
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Lattices with relative Stone congruence lattices. (English) Zbl 1234.06006

Chajda, I. (ed.) et al., Proceedings of the 79th workshop on general algebra “79. Arbeitstagung Allgemeine Algebra”, 25th conference of young algebraists, Palacký University Olomouc, Olomouc, Czech Republic, February 12–14, 2010. Klagenfurt: Verlag Johannes Heyn (ISBN 978-3-7084-0407-3/pbk). Contributions to General Algebra 19, 81-90 (2010).
MSC:  06B10 06D15
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Improved zero-knowledge identification with lattices. (English) Zbl 1286.94061

Heng, Swee-Huay (ed.) et al., Provable security. 4th international conference, ProvSec 2010, Malacca, Malaysia, October 13–15, 2010. Proceedings. Berlin: Springer (ISBN 978-3-642-16279-4/pbk). Lecture Notes in Computer Science 6402, 1-17 (2010).
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Filters on commutative residuated lattices. (English) Zbl 1202.06011

Huynh, Van-Nam (ed.) et al., Integrated uncertainty management and applications. Selected papers based on the presentations at the 2010 international symposium on integrated uncertainty managment and applications (IUM 2010), Ishikawa, Japan, April 9–11, 2010. Berlin: Springer (ISBN 978-3-642-11959-0/pbk; 978-3-642-11960-6/ebook). Advances in Intelligent and Soft Computing 68, 343-347 (2010).
MSC:  06F05 06B10
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Lattice drawings and morphisms. (English) Zbl 1274.06018

Kwuida, Léonard (ed.) et al., Formal concept analysis. 8th international conference, ICFCA 2010, Agadir, Morocco, March 15–18, 2010. Proceedings. Berlin: Springer (ISBN 978-3-642-11927-9/pbk). Lecture Notes in Computer Science 5986. Lecture Notes in Artificial Intelligence, 88-103 (2010).
MSC:  06B10 06B05 68U05
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Noncrossing partitions and the shard intersection order. (English) Zbl 1391.05283

Krattenthaler, Christian (ed.) et al., Proceedings of the 21st annual international conference on formal power series and algebraic combinatorics, FPSAC 2009, Hagenberg, Austria, July 20–24, 2009. Nancy: The Association. Discrete Mathematics & Theoretical Computer Science (DMTCS). Discrete Mathematics and Theoretical Computer Science. Proceedings, 745-756 (2009).
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Quasi-period collapse and \(\text{GL}_n(\mathbb{Z})\)-scissors congruence in rational polytopes. (English) Zbl 1163.52006

Beck, Matthias (ed.) et al., Integer points in polyhedra—geometry, number theory, algebra, optimization, statistics. Proceedings of the AMS-IMS-SIAM joint summer research conference, Snowbird, UT, USA, June 11–15, 2006. Providence, RI: American Mathematical Society (AMS) (ISBN 978-0-8218-4173-0/pbk). Contemporary Mathematics 452, 115-122 (2008).
MSC:  52B20 52B45
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Semilattice-valued measures. (English) Zbl 1153.08002

Dorfer, G. (ed.) et al., Proceedings of the 73rd workshop on general algebra “73. Arbeitstagung Allgemeine Algebra”, 22nd conference of young algebraists, Alps-Adriatic-University of Klagenfurt, Austria, February 1–4, 2007. Klagenfurt: Verlag Johannes Heyn (ISBN 978-3-7084-0303-8/pbk). Contributions to General Algebra 18, 199-210 (2008).
MSC:  08A30 06B15 20E07
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Minimization of lattice automata. (English) Zbl 1126.68051

Cao, Bing-Yuan (ed.), Fuzzy information and engineering. Proceedings of the second international conference of fuzzy information and engineering (ICFIE), Guangzhou, China, May 13–16, 2007. Berlin: Springer (ISBN 978-3-540-71440-8/pbk). Advances in Soft Computing 40, 194-205 (2007).
MSC:  68Q45
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Some remarks on Ockham congruences. (English) Zbl 1135.06006

Platzeck, María Inés (ed.) et al., Actas del VIII congreso de matemática “Dr. Antonio A. R. Monteiro”. Bahía Blanca: Universidad Nacional del Sur, Instituto de Matemática. 25-32 (2006).
MSC:  06D30
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On congruences of algebras defined on sectionally pseudocomplemented lattices. (English) Zbl 1101.06006

Pinus, A.G. (ed.) et al., Algebra and model theory 5. Collection of papers from the 5th summer school “Intermediate problems of model theory and universal algebra”, Erlogol, Russia, June 26–July 1, 2005. Novosibirsk: Novosibirsk State Technical University (ISBN 5-7782-0551-1/pbk). 8-27 (2005).
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A note on the tolerance lattices of majority algebras. (English) Zbl 1083.08001

Chajda, I. (ed.) et al., Proceedings of the 68th workshop on general algebra “68. Arbeitstagung Allgemeine Algebra”, Dresden, Germany, June 10–13, 2004 and of the summer school 2004 on general algebra and ordered sets, Malá Morávka, Czech Republic, September 5–11, 2004. Klagenfurt: Verlag Johannes Heyn (ISBN 3-7084-0163-8/pbk). Contributions to General Algebra 16, 209-212 (2005).
MSC:  08A30 06B10
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Congruences of finite distributive concept algebras. (English) Zbl 1198.06004

Eklund, Peter (ed.), Concept lattices. Second international conference on formal concept analysis, ICFCA 2004, Sydney, Australia, February 23–26, 2004. Proceedings. Berlin: Springer (ISBN 3-540-21043-1/pbk). Lecture Notes in Computer Science 2961. Lecture Notes in Artificial Intelligence, 128-141 (2004).
MSC:  06B10 06C15 68T30
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An order on the convex directed subsets of a poset and a link to congruence relations. (English) Zbl 1067.06001

Eigenthaler, G. (ed.) et al., Proceedings of the 66th workshop on general algebra “66. Arbeitstagung Allgemeine Algebra”, Klagenfurt, Austria, June 19–22, 2003. Klagenfurt: Verlag Johannes Heyn (ISBN 3-7084-0121-2/pbk). Contributions to General Algebra 15, 15-20 (2004).
MSC:  06A11 06A12 06B10
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Finite congruence lattices in congruence distributive varieties. (English) Zbl 1047.08005

Chajda, I. (ed.) et al., Proceedings of the 64th workshop on general algebra “64. Arbeitstagung Allgemeine Algebra”, Olomouc, Czech Republic, May 30–June 2, 2002 and of the 65th workshop on general algebra “65. Arbeitstagung Allgemeine Algebra”, Potsdam, Germany, March 21–23, 2003. Klagenfurt: Verlag Johannes Heyn (ISBN 3-7084-0116-6/pbk). Contrib. Gen. Algebra 14, 119-125 (2004).
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Annihilators in universal algebra. (English) Zbl 1047.08002

Chajda, I. (ed.) et al., Proceedings of the 64th workshop on general algebra “64. Arbeitstagung Allgemeine Algebra”, Olomouc, Czech Republic, May 30–June 2, 2002 and of the 65th workshop on general algebra “65. Arbeitstagung Allgemeine Algebra”, Potsdam, Germany, March 21–23, 2003. Klagenfurt: Verlag Johannes Heyn (ISBN 3-7084-0116-6/pbk). Contrib. Gen. Algebra 14, 29-34 (2004).
MSC:  08A30 08A05 06D15
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Intervals and complete congruences defined by \(M\)-solid varieties. (English) Zbl 1067.08006

Proceedings of the international conference on algebra and its applications (ICAA 2002), Chulalongkorn University, Bangkok, Thailand, March 18–20, 2002. Bangkog: Chulalongkorn University, Department of Mathematics (ISBN 970-13-2182-1). 121-132 (2002).
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Cryptanalysis of the revised NTRU signature scheme. (English) Zbl 1055.94015

Knudsen, Lars (ed.), Advances in cryptology - EUROCRYPT 2002. 21st international conference on the theory and applications of cryptographic techniques, Amsterdam, the Netherlands, April 28 – May 2, 2002. Proceedings. Berlin: Springer (ISBN 3-540-43553-0). Lect. Notes Comput. Sci. 2332, 299-320 (2002).
MSC:  94A60 94A62 11H71
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On weak congruence lattices representation problem. (English) Zbl 1224.08003

Proceedings of the 10th congress of Yugoslav mathematicians, Belgrade, Yugoslavia, January 21–24, 2001. Belgrade: University of Belgrade, Faculty of Mathematics (ISBN 86-7589-021-4). 177-184 (2001).
MSC:  08A30 06B15 08A05
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On special elements in the congruence lattices of \(G\)-sets. (Russian) Zbl 1014.08007

Pinus, A. G. (ed.) et al., Algebra and model theory. 3. Papers from the 4th summer school “Intermediate problems of model theory and universal algebra”, Erlogol, Russia, June 25-29, 2001. Novosibirsk: Novosibirsk State Technical University. 146-157 (2001).
MSC:  08A60 08A30
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The lattice of subvarieties of the variety of some ternary modes. (English) Zbl 0993.08003

Chajda, I. (ed.) et al., Contributions to general algebra 13. Proceedings of the 60th workshop on general algebra “60. Arbeitstagung Allgemeine Algebra”, Dresden, Germany, June 22-25, 2000 and of the summer school ’99 on general algebra and ordered sets, Velké Karlovice, Czech Republic, August 30-September 4, 1999. Klagenfurt: Verlag Johannes Heyn. Contrib. Gen. Algebra. 13, 265-273 (2001).
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Weak congruences and a graphical composition. (English) Zbl 0985.08001

Chajda, I. (ed.) et al., Contributions to general algebra 13. Proceedings of the 60th workshop on general algebra “60. Arbeitstagung Allgemeine Algebra”, Dresden, Germany, June 22-25, 2000 and of the summer school ’99 on general algebra and ordered sets, Velké Karlovice, Czech Republic, August 30-September 4, 1999. Klagenfurt: Verlag Johannes Heyn. Contrib. Gen. Algebra. 13, 199-205 (2001).
MSC:  08A30
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On some dimensions of modular lattices and matroids. (English) Zbl 1018.06007

Birkenmeier, Gary F. (ed.) et al., International symposium on ring theory. Proceedings of the 3rd Korea-China-Japan international symposium, held jointly with the 2nd Korea-Japan joint ring theory seminar, Kyongju, Korea, June 28-July 3, 1999. Boston, MA: Birkhäuser. Trends in Mathematics. 303-312 (2001).
MSC:  06C05 05B35
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Nilpotency of algebras and identities on subalgebra lattices. (English) Zbl 0962.20018

Kublanovsky, S. (ed.) et al., Semigroups with applications, including semigroup rings. International conference in honour of E. S. Lyapin, St.-Petersburg, Russia, June 19-30, 1995. St.-Petersburg: Severny Ochag, 317-330 (1999).
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Congruences on inversive semirings. (English) Zbl 0980.16041

Shum, Kar-Ping (ed.) et al., Algebras and combinatorics. Papers from the international congress, ICAC’97, Hong Kong, August 1997. Singapore: Springer. 391-400 (1999).
MSC:  16Y60 16D25 08A30
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Congruences of clone lattices. I. (English) Zbl 1049.08004

Chajda, I. (ed.) et al., Contributions to general algebra 11. Proceedings of the Olomouc workshop ’98 on general algebra, “56. Arbeitstagung Allgemeine Algebra”, Olomouc, Czech Republic, June 12–14, 1998 and of the summer school ’98 on universal algebra and ordered sets, Velké Karlovice, Czech Republic, August 31–September 5, 1998. Klagenfurt: Verlag Johannes Heyn (ISBN 3-85366-926-3/pbk). 137-144 (1999).
MSC:  08A40 03B50 06B10
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A remark on congruence kernels in complemented lattices and pseudocomplemented semilattices. (English) Zbl 0940.06009

Chajda, I. (ed.) et al., Contributions to general algebra 11. Proceedings of the Olomouc workshop ’98 on general algebra, “56. Arbeitstagung Allgemeine Algebra”, Olomouc, Czech Republic, June 12-14, 1998 and of the summer school ’98 on universal algebra and ordered sets, Velké Karlovice, Czech Republic, August 31-September 5, 1998. Klagenfurt: Verlag Johannes Heyn. 55-58 (1999).
MSC:  06C15 06B10 06A12
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A remark on the finite lattice representation problem. (English) Zbl 0934.06010

Chajda, I. (ed.) et al., Contributions to general algebra 11. Proceedings of the Olomouc workshop ’98 on general algebra, “56. Arbeitstagung Allgemeine Algebra”, Olomouc, Czech Republic, June 12-14, 1998 and of the summer school ’98 on universal algebra and ordered sets, Velké Karlovice, Czech Republic, August 31-September 5, 1998. Klagenfurt: Verlag Johannes Heyn. 5-38 (1999).
MSC:  06B15 20E15 08A30
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Distributivity via first meanders. (English) Zbl 0934.06013

Chajda, I. (ed.) et al., Contributions to general algebra 11. Proceedings of the Olomouc workshop ’98 on general algebra, “56. Arbeitstagung Allgemeine Algebra”, Olomouc, Czech Republic, June 12-14, 1998 and of the summer school ’98 on universal algebra and ordered sets, Velké Karlovice, Czech Republic, August 31-September 5, 1998. Klagenfurt: Verlag Johannes Heyn. 1-3 (1999).
MSC:  06D05 06B10
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A note on congruences on algebras. (English) Zbl 0943.08001

Kočinac, Ljubiša D., Proceedings of the II mathematical conference in Priština, Yugoslavia, September 25-28, 1996. Priština: Univ. of Priština, Faculty of Sciences. 67-72 (1997).
MSC:  08A30 08C99 08B26
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The Krull dimension of Alexandroff \(T_ 0\)-spaces. (English) Zbl 0884.54021

Andima, Susan (ed.) et al., Papers on general topology and applications. Papers presented at the 11th summer conference at the University of Southern Maine, Gorham, ME, USA, August 10–13, 1995. New York, NY: The New York Academy of Sciences. Ann. N. Y. Acad. Sci. 806, 444-453 (1996).
MSC:  54F45 54D10 06B10
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Closure operators on universal algebras. (Opérateurs de clôture sur algèbres universelles.) (French) Zbl 0913.08002

Proceedings of the sixth symposium of mathematics and its applications, Timişoara, Romania, November 3–4, 1995. Timişoara: Editura Mirton, 188-189 (1995).
MSC:  08A30 06A15
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Diagonal relation as a continuous element in a weak congruence lattice. (English) Zbl 0822.06006

Chajda, I. (ed.) et al., General algebra and ordered sets. Proceedings of the international conference and summer school, held in Horní Lipová, Czech Republic, September 4-12, 1994. Olomouc: Palacký University Olomouc, Department of Algebra and Geometry, 156-163 (1994).
MSC:  06B35 08A30
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A note on UCEP. (English) Zbl 0824.08003

Chajda, I. (ed.) et al., General algebra and ordered sets. Proceedings of the international conference and summer school, held in Horní Lipová, Czech Republic, September 4-12, 1994. Olomouc: Palacký University Olomouc, Department of Algebra and Geometry, 131-137 (1994).
MSC:  08A30 08A05
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Natural equivalences from lattice quasiorders to involution lattices of congruences. (English) Zbl 0821.06006

Chajda, I. (ed.) et al., General algebra and ordered sets. Proceedings of the international conference and summer school, held in Horní Lipová, Czech Republic, September 4-12, 1994. Olomouc: Palacký University Olomouc, Department of Algebra and Geometry, 33-44 (1994).
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Quasivarieties of De Morgan algebras: RCEP. (English) Zbl 0820.06005

Proceedings of the IX Latin American symposium on mathematical logic, Bahía Blanca, Argentina, August 3-8, 1992. Part 2. Bahía Blanca: Universidad Nacional del Sur, Notas Logica Mat. 39, 121-129 (1994).
MSC:  06D30 08C15
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Structure of lattices of nilpotent semigroup varieties. (English) Zbl 0813.20064

Bonzini, C. (ed.) et al., Semigroups: algebraic theory and applications to formal languages and codes. Proceedings of the international conference on semigroups, held in Luino, Italy, from 22nd to 27th June, 1992. Singapore: World Scientific. 297-299 (1993).
MSC:  20M07 08B15 08A30
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Computing the canonical representation of a finite lattice. (English) Zbl 0798.06011

Droste, Manfred (ed.) et al., Semantics of programming languages and model theory. Papers presented at the international conference and Research Center for Computer Science, Schloß Dägstuhl, Germany, June 23-29, 1991. Yverdon: Gordon and Breach Science Publishers. Algebra Log. Appl. 5, 269-285 (1993).
MSC:  06B15 06B10
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When are congruence-class lattices subdirectly reducible? (Wann sind Kongruenzklassenverbände subdirekt reduzibel?) (German) Zbl 0797.08001

Denecke, K. (ed.) et al., General algebra and applications. Based on lectures given at the 43. Arbeitstagung Allgemeine Algebra, Potsdam (Germany), 31. Jan. - 2. Febr. 1992. Berlin: Heldermann Verlag. Res. Expo. Math. 20, 195-205 (1993).
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On lattice isomorphisms of commutative holoidal semigroups without idempotents. (Russian) Zbl 0828.20056

Lyapin, E. S. (ed.), Decompositions and homomorphic mappings of semigroups. Interuniversity collection of scientific works. Sankt- Peterburg: Obrazovanie. 3-14 (1992).
MSC:  20M14 08A30 06B15
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Lattice isomorphic medial distributive quasigroups. (Russian. English summary) Zbl 0802.20056

Ryzhkov, V. V. (ed.) et al., Algebraic methods in geometry. Collection of scientific works. Moskva: Izdatel’stvo Rossijskogo Universiteta Druzhby Narodov. 68-71 (1992).
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Remarks on representations of universal algebras by sheaves of quotient algebras. (English) Zbl 0788.08001

Seely, R. A. G. (ed.), Category theory 1991. Proceedings of an international summer category theory meeting, held in Montréal, Québec, Canada, June 23-30, 1991. Providence, RI: American Mathematical Society. CMS Conf. Proc. 13, 299-307 (1992).
Reviewer: J.Duda (Brno)
MSC:  08A30 06B10 16G99
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Some aspects of Ockham algebras. (Portuguese. English summary) Zbl 0743.06011

Algebra, logic and number theory, Proc. 15th Port.-Span. Meet. Math., Évora/ Port. 1990, Vol. I, 43-48 (1991).
MSC:  06D30 08B15
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Wreath products and varieties of inverse semigroups. (English) Zbl 0799.20054

Rhodes, John (ed.), Monoids and semigroups with applications. Proceedings of the Berkeley workshop on monoids, Berkeley, CA, USA, 31 July - 5 August 1989. Singapore etc.: World Scientific Publishing. 159-167 (1991).
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Representation by sheaves of lattice structures. (Spanish) Zbl 0798.06019

Germani, Aurora (ed.) et al., Proceedings of the first congress of mathematics “Dr. Antonio A. R. Monteiro”, Bahia Blanca, Argentina, 1991. Bahia Blanca: Dept. de Matemática, Universidad Nacional del Sur, 185-196 (1991).
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Distributive lattice congruences and Priestley spaces. (English) Zbl 0790.06010

Germani, Aurora (ed.) et al., Proceedings of the first congress of mathematics “Dr. Antonio A.R. Monteiro”, Bahia Blanca, Argentina, 1991. Bahia Blanca: Dept. de Matemática, Universidad Nacional del Sur, 81-84 (1991).
MSC:  06D05
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Remarks on congruence lattices of countable algebras. (Russian) Zbl 0809.08002

Moldavanskij, D. I. (ed.), Algebraic and discrete systems. Interuniversity collection of scientific works. Ivanovo: Ivanovskij Gosudarstvennyj Universitet, 60-65 (1988).
MSC:  08A30 08A60
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