Báo cáo toán học: "Strong Insertion of a Contra - Continuous Function" ppt

... Insertion of a Contra - Continuous Function * Majid Mirmiran Department of Mathematics, University of Isfahan Isfahan 8174 6-7 3441, Iran Received February 22, 2004 Revised October 20, 2005 Abstract. ... topological spaces that Λ−sets are open [3]. A real-valued function f defined on a topological space X is called contra- continuous if the preimage of every open s...

Ngày tải lên: 06/08/2014, 05:20

... list of author information is available at the end of the article Abstract In this paper, we suggest a hybrid method for finding a common element of the set of solution of a monotone, Lipschitz -continuous ... that  Au, v − u  ≥ 0, ∀v ∈ C . The set of solutions of the variational inequality is denoted by Ω. Variational inequality theory has emergedasanimportanttoolinstu...

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... Essays in Honor of Gian-Carlo Rota, B. E. Sagan, R. P. Stanley, Progress in Math., vol. 161, Birkh¨auser [6] C. Krattenthaler, Generating functions for plane partitions of a given shape, Manuscripta ... matchings factorization theorem from [1]. the electronic journal of combinatorics 6 (1999), #R30 19 [5] C. Krattenthaler, An alternative evaluation of the Andrews–Burge determinant,...

Ngày tải lên: 07/08/2014, 06:20

... Molloy. A gap between the appearances of a k-core and a (k+1)-chromatic graph. Random Structures and Algorithms, 8 (1996), 159 - 160. [21] M. Molloy and B. Reed. A critical point for random graphs ... existence of a factor of degree one of a connected random graph. Acta Math. Acad. Sci. Hungar. 17 (1966), 359 - 368. [14] E. Freidgut. Sharp thresholds for graph prop...

Ngày tải lên: 07/08/2014, 06:20

... Multiplicities of a Dual-thin Q-polynomial Association Scheme Bruce E. Sagan Department of Mathematics Michigan State University East Lansing, MI 4482 4-1 027 sagan@math.msu.edu and John S. Caughman, IV Department ... Springer- Verlag, Berlin, 1989. [3] J. S. Caughman IV, The Terwilliger algebra for bipartite P -andQ-polynomial asso- ciation schemes, in preparation. [4] J. S. Caughman...

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... pseudolines. Similarly a partial arrangement is an isomorphism class of simple marked partial arrangements of pseudolines. Goodman and Pollack [8] described a one-to-many correspondence from arrangements to ... gap has moved into an upper corner cell. If all entries of T are different this process is well defined and actually yields a Young tableau. The evacuation tableau evac(T) o...

Ngày tải lên: 07/08/2014, 06:22

... an update. Contemporary Mathematics, 178, 7 1-8 4, 1994. [4] Stanley, R.: Log-concave and unimodal sequences in algebra, combinatorics and ge- ometry. Graph theory and its applications: East and ... that if a sequence is log concave then it is unimodal [5]. A sufficient condition for log concavity of a polynomial is given by the location of its zeros: if all the zeros of a polyn...

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... Introduction and Motivation The rank of a graph X is the rank of its adjacency matrix A( X). As the rank is such a fundamental algebraic concept, the relationship between the structure of a graph and its ... has rank equal to the number of distinct non-zero rows of A( X − u). It is clear that the rank of X − u is equal to the rank of X, and that A( X) has the same numbe...

Ngày tải lên: 07/08/2014, 07:21