Academic literature on the topic 'Homomorphismus'

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Journal articles on the topic "Homomorphismus"

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Chudziak, J., P. Drygas, W. Jablonski, and S. Midura. "HOMOMORPHISMUS OF THE GROUP L12INTO L12 AND L13." Demonstratio Mathematica 31, no. 1 (1998): 143–52. http://dx.doi.org/10.1515/dema-1998-0120.

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Neghabi, Masoumeh, Abasalt Bodaghi, and Abbas Zivari-Kazempour. "Characterization of mixed n-Jordan and pseudo n-Jordan homomorphisms." Filomat 34, no. 6 (2020): 1989–2002. http://dx.doi.org/10.2298/fil2006989n.

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In this article, a new notion of n-Jordan homomorphism namely the mixed n-Jordan homomorphism is introduced. It is proved that how a mixed (n + 1)-Jordan homomorphism can be a mixed n-Jordan homomorphism and vice versa. By means of some examples, it is shown that the mixed n-Jordan homomorphisms are different from the n-Jordan homomorphisms and the pseudo n-Jordan homomorphisms. As a consequence, it shown that every mixed Jordan homomorphism from Banach algebra A into commutative semisimple Banach algebra B is automatically continuous. Under some mild conditions, every unital pseudo 3-Jordan h
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Grabiner, Sandy. "Homomorphisms of the algebra of locally integrable functions on the half line." Journal of the Australian Mathematical Society 81, no. 2 (2006): 253–78. http://dx.doi.org/10.1017/s1446788700015871.

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AbstractLet φ be a continuous nonzero homomorphism of the convolution algebra L1loc(R+) and also the unique extension of this homomorphism to Mloc(R+). We show that the map φis continuous in the weak* and strong opertor topologies on Mloc, considered as the dual space of Cc(R+) and as the multiplier algebra of L1loc. Analogous results are proved for homomorphism from L1 [0, a) to L1 [0, b). For each convolution algebra L1 (ω1), φ restricts to a continuous homomorphism from some L1 (ω1) to some L1 (ω2), and, for each sufficiently large L1 (ω2), φ restricts to a continuous homomorphism from some
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MORDESON, J. N., and P. S. NAIR. "FUZZY MEALY MACHINES: HOMOMORPHISMS, ADMISSIBLE RELATIONS AND MINIMAL MACHINES." International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 04, no. 01 (1996): 27–43. http://dx.doi.org/10.1142/s0218488596000032.

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Homomorphisms and admissible relations of fuzzy Mealy machines are studied. Admissible relations play a role similar to normal subgroups in group theory. The kernel of a homomorphism is shown to be an admissible relation. Conversely, corresponding to an admissible relation, there exists a homomorphism. The fundamental theorem on homomorphisms; and the existence and uniqueness of minimal machines are also presented.
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HONARY, TAHER G., and H. SHAYANPOUR. "AUTOMATIC CONTINUITY OF n-HOMOMORPHISMS BETWEEN TOPOLOGICAL ALGEBRAS." Bulletin of the Australian Mathematical Society 83, no. 3 (2011): 389–400. http://dx.doi.org/10.1017/s0004972711002036.

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AbstractA map θ:A→B between algebras A and B is called n-multiplicative if θ(a1a2⋯an)=θ(a1) θ(a2)⋯θ(an) for all elements a1,a2,…,an∈A. If θ is also linear then it is called an n-homomorphism. This notion is an extension of a homomorphism. We obtain some results on automatic continuity of n-homomorphisms between certain topological algebras, as well as Banach algebras. The main results are extensions of Johnson’s theorem to surjective n-homomorphisms on topological algebras, a theorem due to C. E. Rickart in 1950 to dense range n-homomorphisms on topological algebras and two theorems due to E.
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Wang, Zhaohao, Lan Shu, and Xiuyong Ding. "Homomorphisms of Approximation Spaces." Journal of Applied Mathematics 2012 (2012): 1–18. http://dx.doi.org/10.1155/2012/185357.

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The notion of the homomorphism of approximation spaces is introduced. Some properties of homomorphism are investigated, and some characterizations of homomorphism are given. Furthermore, the notion of approximation subspace of approximation spaces is introduced. The relations between approximation subspaces and homomorphisms are studied.
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Lee, Yang-Hi. "Stability of -Jordan Homomorphisms from a Normed Algebra to a Banach Algebra." Abstract and Applied Analysis 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/691025.

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We establish the hyperstability of -Jordan homomorphisms from a normed algebra to a Banach algebra, and also we show that an -Jordan homomorphism between two commutative Banach algebras is an -ring homomorphism.
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BRZDȨK, JANUSZ. "CONTINUITY OF MEASURABLE HOMOMORPHISMS." Bulletin of the Australian Mathematical Society 78, no. 1 (2008): 171–76. http://dx.doi.org/10.1017/s0004972708000610.

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AbstractWe give some general results concerning continuity of measurable homomorphisms of topological groups. As a consequence we show that a Christensen measurable homomorphism of a Polish abelian group into a locally compact topological group is continuous. We also obtain similar results for the universally measurable homomorphisms and the homomorphisms that have the Baire property.
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Fong, Y., and L. van Wyk. "A note on semi-homomorphisms of rings." Bulletin of the Australian Mathematical Society 40, no. 3 (1989): 481–86. http://dx.doi.org/10.1017/s0004972700017548.

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Huq presented a general study of semi-homomorphisms of rings, following, amongst others, Kaplansky's study of semi-automorphisnis of rings and Herstein's study of semi-homomorphisms of groups. Huq gave several “sufficient” conditions for a semi-homomorphism and a semi-monomorphism of rings to be a homomorphism and a monomorphism respectively. In this note we introduce semi-subgroups of groups, provide counterexamples to four of Huq's assertions and show how a minor, albeit forced, change to one of the conditions of the fourth assertion turns it into a special case of another theorem of Huq's.
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Nešetřil, Jaroslav, and Xuding Zhu. "Path homomorphisms." Mathematical Proceedings of the Cambridge Philosophical Society 120, no. 2 (1996): 207–20. http://dx.doi.org/10.1017/s0305004100074806.

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AbstractWe investigate homomorphisms between finite oriented paths. We demonstrate the surprising richness of this perhaps simplest case of homomorphism between graphs by proving the density theorem for oriented paths. As a consequence every two dimensional countable poset is represented finite paths and their homomorphisms, and every finite dimensional poset is represented finite oriented trees and their homomorphisms. We then consider related problems of universal representability and extendability and on-line representability.
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Dissertations / Theses on the topic "Homomorphismus"

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Vera, Arboleda Anderson Arley. "Homomorphismes de type Johnson pour les surfaces et invariant perturbatif universel des variétés de dimension trois." Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAD009/document.

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Soit Σ une surface compacte connexe orientée avec une seule composante du bord. Notons par M le groupe d'homéotopie de Σ. En considérant l'action de M sur le groupe fondamental de Σ, il est possible de définir différentes filtrations de M ainsi que des homomorphismes sur chaque terme de ces filtrations. Le but de cette thèse est double. En premier lieu, nous étudions deux filtrations de M : la " filtration de Johnson-Levine " introduite par Levine et la " filtration de Johnson alternative " introduite recemment par Habiro et Massuyeau. Les définitions de ces deux filtrations prennent en compte
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Duffy, Christopher. "Homomorphisms of (j, k)-mixed graphs." Thesis, Bordeaux, 2015. http://hdl.handle.net/1828/6601.

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A mixed graph is a simple graph in which a subset of the edges have been assigned directions to form arcs. For non-negative integers j and k, a (j, k)−mixed graph is a mixed graph with j types of arcs and k types of edges. The collection of (j, k)−mixed graphs contains simple graphs ((0,1)−mixed graphs), oriented graphs ((1,0)-mixed graphs) and k−edge-coloured graphs ((0, k)−mixed graphs). A homomorphism is a vertex mapping from one (j,k)−mixed graph to another in which edge type is preserved, and arc type and direction are preserved. An m−colouring of a (j, k)−mixed graph is a homomorphism f
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Lyle, Jeremy. "Homomorphisms of graphs." Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1219855483/.

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Musvoto, Saratiel Wedzerai. "Applying the representational theory of measurement to accounting." Thesis, Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-03282009-125051/.

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Bašcík, Roman. "Structure of graph homomorphisms." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq24290.pdf.

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Chung, Key One. "Weak homomorphisms of coalgebras." [Ames, Iowa : Iowa State University], 2007.

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Olson, Steven Jon. "Homomorphisms of planar nearrings." Diss., The University of Arizona, 1994. http://hdl.handle.net/10150/186931.

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This dissertation is about two types of nearring: the planar nearring and the partite nearring. The planar nearring is best known for its connection with block designs and the partite nearring is a generalization of the planar nearring which is useful to have when studying homomorphisms. After defining and describing partite nearrings we look at ideals and homomorphisms. We see that homomorphisms defined on partite nearrings always have "associated homomorphisms." We also look at several theorems that tell us when a function defined on a partite nearring is a nearring homomorphism. In the fina
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Ro, Min. "Approximate Diagonalization of Homomorphisms." Thesis, University of Oregon, 2015. http://hdl.handle.net/1794/19199.

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In this dissertation, we explore the approximate diagonalization of unital homomorphisms between C*-algebras. In particular, we prove that unital homomorphisms from commutative C*-algebras into simple separable unital C*-algebras with tracial rank at most one are approximately diagonalizable. This is equivalent to the approximate diagonalization of commuting sets of normal matrices. We also prove limited generalizations of this theorem. Namely, certain injective unital homomorphisms from commutative C*-algebras into simple separable unital C*-algebras with rational tracial rank at most one ar
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Dochtermann, Anton. "The topology of graph homomorphisms /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/5754.

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Jegan, Mahadevan. "Homomorphisms between bubble algebra modules." Thesis, City University London, 2013. http://openaccess.city.ac.uk/2380/.

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In this thesis, we study the representation theory of the bubble algebras. We focus on determining the homomorphisms between cell modules for these algebras. We show that the bubble algebras are cellular, and form a tower of recollement. By decomposing Gram matrices we are able to determine homomorphisms in the one arc case. We determine a generating set for the algebra (and its cardinality), and use this with a hypercuboid approach to determine homomorphisms in the general case. We end with a conjectural alternative approach to the general case involving matrix methods.
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Books on the topic "Homomorphismus"

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Abad, Manuel. On Lukasiewicz homomorphisms. Universidad Nacional de San Juan, Facultad de Filosofía, Humanidades y Artes, 1992.

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Jaroslav, Nešetřil, ed. Graphs and homomorphisms. Oxford University Press, 2004.

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"Abstract'' homomorphisms of split Kac-Moody groups. American Mathematical Society, 2009.

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1955-, Moy Allen, and Conference Board of the Mathematical Sciences., eds. Harish-Chandra homomorphisms for p-adic groups. Published for the Conference Board of the Mathematical Sciences by the American Mathematical Society, 1985.

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1935-, Szabó Sándor, and Mathematical Association of America, eds. Algebra and tiling: Homomorphisms in the service of geometry. Mathematical Association of America, 2006.

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1935-, Szabó Sándor, and Mathematical Association of America, eds. Algebra and tiling: Homomorphisms in the service of geometry. Mathematical Association of America, 1994.

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Novotný, Miroslav. Homomorphic transformations: Why and possible ways to how. Masaryk University, 2012.

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Dupont, Johan L. Fibre bundles and Chern-Weil theory. University of Aarhus, Dept. of Mathematics, 2003.

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Dupont, Johan L. Fibre bundles and Chern-Weil theory. University of Aarhus, Dept. of Mathematics, 2003.

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Approximate homotopy of homomorphisms from C(X) into a simple C*-algebra. American Mathematical Society, 2010.

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Book chapters on the topic "Homomorphismus"

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Knapp, Karlheinz. "J-Homomorphismus und EHP-Sequenz." In Vektorbündel. Springer Fachmedien Wiesbaden, 2013. http://dx.doi.org/10.1007/978-3-658-03114-5_8.

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Givant, Steven. "Homomorphisms." In Introduction to Relation Algebras. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65235-1_7.

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Isaacs, I. "Homomorphisms." In Graduate Studies in Mathematics. American Mathematical Society, 2009. http://dx.doi.org/10.1090/gsm/100/03.

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Givant, Steven. "Homomorphisms." In Undergraduate Texts in Mathematics. Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-68436-9_12.

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Green, James Alexander. "Homomorphisms." In Sets and groups. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-011-6095-7_7.

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Lang, Serge. "Homomorphisms." In Graduate Texts in Mathematics. Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4752-4_2.

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Denvir, Tim. "Homomorphisms." In Introduction to Discrete Mathematics for Software Engineering. Macmillan Education UK, 1986. http://dx.doi.org/10.1007/978-1-349-18496-5_9.

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Godsil, Chris, and Gordon Royle. "Homomorphisms." In Graduate Texts in Mathematics. Springer New York, 2001. http://dx.doi.org/10.1007/978-1-4613-0163-9_6.

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Armstrong, M. A. "Homomorphisms." In Undergraduate Texts in Mathematics. Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4757-4034-9_16.

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Ljapin, E. S., and A. E. Evseev. "Homomorphisms." In The Theory of Partial Algebraic Operations. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-3483-7_3.

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Conference papers on the topic "Homomorphismus"

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Kraiczy, Sonja, and Ciaran McCreesh. "Solving Graph Homomorphism and Subgraph Isomorphism Problems Faster Through Clique Neighbourhood Constraints." In Thirtieth International Joint Conference on Artificial Intelligence {IJCAI-21}. International Joint Conferences on Artificial Intelligence Organization, 2021. http://dx.doi.org/10.24963/ijcai.2021/193.

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Graph homomorphism problems involve finding adjacency-preserving mappings between two given graphs. Although theoretically hard, these problems can often be solved in practice using constraint programming algorithms. We show how techniques from the state-of-the-art in subgraph isomorphism solving can be applied to broader graph homomorphism problems, and introduce a new form of filtering based upon clique-finding. We demonstrate empirically that this filtering is effective for the locally injective graph homomorphism and subgraph isomorphism problems, and gives the first practical constraint p
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Dabra, Vivek, Inderveer Chana, and Anju Bala. "Decrypting homomorphism." In 2016 International Conference on Computing Communication Control and automation (ICCUBEA). IEEE, 2016. http://dx.doi.org/10.1109/iccubea.2016.7860074.

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Yoshida, Yuichi. "Testing List H-homomorphisms." In 2012 IEEE Conference on Computational Complexity (CCC). IEEE, 2012. http://dx.doi.org/10.1109/ccc.2012.9.

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Shams, Shahab, Nicholas Ruozzi, and Peter Csikvari. "Counting Homomorphisms in Bipartite Graphs." In 2019 IEEE International Symposium on Information Theory (ISIT). IEEE, 2019. http://dx.doi.org/10.1109/isit.2019.8849389.

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Grohe, Martin. "Counting Bounded Tree Depth Homomorphisms." In LICS '20: 35th Annual ACM/IEEE Symposium on Logic in Computer Science. ACM, 2020. http://dx.doi.org/10.1145/3373718.3394739.

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Shafarenko, Alex. "Coercion as homomorphism." In the 4th ACM SIGPLAN international conference. ACM Press, 2002. http://dx.doi.org/10.1145/571157.571160.

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Zengtai Gong, Runli Chai, and Yongping Guo. "Homomorphisms between the covering information systems." In 2015 12th International Conference on Fuzzy Systems and Knowledge Discovery (FSKD). IEEE, 2015. http://dx.doi.org/10.1109/fskd.2015.7382060.

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Boularias, Abd, and Brahim Chaib-draa. "Apprenticeship learning via soft local homomorphisms." In 2010 IEEE International Conference on Robotics and Automation (ICRA 2010). IEEE, 2010. http://dx.doi.org/10.1109/robot.2010.5509717.

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Dosch, W. "Designing combinational circuits with list homomorphisms." In Third ACIS Int'l Conference on Software Engineering Research, Management and Applications (SERA'05). IEEE, 2005. http://dx.doi.org/10.1109/sera.2005.35.

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Avino, Maria. "Homomorphisms of probabilistic gene regulatory networks." In 2006 IEEE International Workshop on Genomic Signal Processing and Statistics. IEEE, 2006. http://dx.doi.org/10.1109/gensips.2006.353168.

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