Báo cáo toán học: "Note on generating all subsets of a ﬁnite set with disjoint

Báo cáo toán học: "Note on generating all subsets of a ﬁnite set with disjoint union" potx

... Lévêque and Seb˝o [1] conjecturedthat for any n ≥ k, such a family must be at least as large as the k-generatorobtained by taking a partition of [n] into classes of sizes as equal as possible, andtaking ... Published: May 20, 2009Mathematics Subject Classification: 05D05AbstractWe call a family G ⊂ P[n] a k-generator of P[n] if every x ⊂ [n] can b e expressedas a union of at most k disjoint sets in ... electronic journal of combinatorics 16 (2009), #N16 6Note on generating all subsets of a finite set with disjoint unionsDavid Ellise-mail: dce27@cam.ac.ukSubmitted: Dec 2, 2008; Accepted: May 12, 2009;...

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Báo cáo toán học: "Note on Gy. Elekes’s conjectures concerning unavoidable patterns in proper colorings" pptx

... Elekes, oral communication.[4] P. Cameron, Parallelism and Complete Designs, London Math. Soc. LectureNote. Ser. 23 Cambridge University Press (1976).[5] P. Erd˝os and A. Gyárfás, A variant of ... colored graphs. A modified version of the conjecture is given and its connections to a problem of Erd˝os - Gyárfásand to Szemerédi’s theorem are examined.The coloring of the edges of a simple ... variant of the Classical Ramsey Problem, Combina-torica 17(4) (1997), 459–467.[6] E. Szemerédi, On sets of integers containing no k elements in arithmetic pro-gression, Acta Arithmetika 27, 199–245.Note...

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Báo cáo toán học: "Note on highly connected monochromatic subgraphs in 2-colored complete graphs" docx

... o f monochromatic subgraphs with a given minimumdegree. Electron. J. Combin., 10:R32, 8 pp., 2003.[3] G. Chartrand and L. Lesniak. Graphs & Digraphs. Chapman & Hall/CRC, BocaRaton, ... least n − 2(k − 1) vertices.∗Department of Mathematics, Gunma National Colleg e of Technology. 580 Toriba , Maebashi, Gunma,Japan 371-8530. shinya.fujita.ph.d@gmail.com Supported by JSPS Grant ... r aph is k-connected, it would be a desired subgraph sowe know κ(Gr) ≤ k − 1. As above, if there exists a cutset C′ of Grand a partition of the components of Gr\ C′so that each part...

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Báo cáo toán học: "Remarks on Lebesgue-type decomposition of positive operators " docx

... ...

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Báo cáo toán học: "Compact operators in the radical of a reflexive operator algebra " pptx

... ...

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Báo cáo toán học: "Compact operators in the algebra of a partially ordered measure space " docx

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Báo cáo toán học: "Bijective census and random generation of Eulerian planar maps with prescribed vertex degrees" pptx

... We also show that our construction canbe reﬁned to take into account the natural 2-coloring of faces of an Eulerianplanar map, this gives a constructive interpretation of a parameterizationdue ... or vertices and faces (in particular, nonseparablemaps and triangulations). This shows the existence of a general relationbetween planar rooted maps and conjugation classes of plane trees.The ... that among all spanning trees of an Eulerian planar map, exactly one satisﬁes the Euleriancondition.In the last section, we discuss algorithms for uniform random generation of maps which can...

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Báo cáo khoa học: Alterations in the photoactivation pathway of rhodopsin mutants associated with retinitis pigmentosa potx

... mutants was measured byretinal release, and the functionality of the process wasdetermined by means of Gt activation assays. All mutants showed a double-exponential curve for retinalrelease with ... whereas G5 1A and G89D couldform it only partially [20]. Later, these studies weretaken as a starting point for a detailed characterization of the environment of G51 and G89, analysing a series of ... a series of conformationalchanges upon light activation, eventually leading to the active metarhodop-sin II conformation, which is able to bind and activate the G-protein,transducin. We have...

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Báo cáo sinh học: "Optimal design for the detection of a major gene segregation in crosses" potx

... national de la recherche agronomique, station d’amélioration génétiquedes animaux, BP!7, 31326 Castanet-Tolosan cedex;2 Institut national de la recherche agronomique, station ... distributions is a useful preliminary analysis of available data; andiv) retrospective studies of old experiments without marker information may bevaluable.The basis for population ... individualsonly. The power of detecting an additive 2 standard deviations gene with 1 000F2s reached only 24%, a value attained with only 30 individuals when the parentalsubgroups...

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Báo cáo toán học: " The structural and optical properties of GaSb/InGaAs type- quantum dots grown on InP (100) substrate" ppt

... Yanxiang (yxcui@aphy.iphy.ac.cn)Tian Haitao (etianhaitao@gmail.com)Gao Huaiju (gege3272@sina.com)Jia Haiqiang (mbe2@aphy.iphy.ac.cn)Wang Wenxin (wxwang@aphy.iphy.ac.cn)Chen Hong (hchen@aphy.iphy.ac.cn)Zhao ... corresponds to the article as it appeared upon acceptance. Fully formattedPDF and full text (HTML) versions will be made available soon.The structural and optical properties of GaSb/InGaAs type- ... GaSb/In0.53Ga0.47As QDs and histogram of the height of GaSb/In0.53Ga0.47As QDs. (a) The AFM image of GaSb/In0.53Ga0.47As QDs, (b) histogram of the height of GaSb/In0.53Ga0.47As QDs, and...

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