Báo cáo toán học: "Repeated Patterns of Dense Packings of Equal Disks in a Square " pptx

Báo cáo toán học: "Repeated Patterns of Dense Packings of Equal Disks in a Square." pptx

Báo cáo toán học: "Repeated Patterns of Dense Packings of Equal Disks in a Square." pptx

... of repeating patterns of dense (and presumably optimal) packings of n equal non-overlapping disks in- side an equilateral triangle (see Fig. 1.1 for and example). It is natural to investigate ... disks RepeatedPatternsofDensePackings of Equal Disks in a Square R. L. Graham, rlg@research.att.com B. D. Lubachevsky, bdl@research.att.com AT&T Bell Laboratories M...
Ngày tải lên : 07/08/2014, 06:20
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Báo cáo toán học: " Mesh patterns and the expansion of permutation statistics as sums of permutation patterns" docx

Báo cáo toán học: " Mesh patterns and the expansion of permutation statistics as sums of permutation patterns" docx

... occur naturally as permutations avoiding certain mesh patterns. Finally, we provide new natural Mahonian statistics. ∗ PB is a Royal Swedish Academy of Sciences Research Fellow supported by a grant ... some permutation statistics Babson and Steingr´ımsson’s [2] classification of Mahonian statistics is in terms of vincular patterns. For example, the major index, maj, can be defined...
Ngày tải lên : 08/08/2014, 14:23
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Báo cáo toán học: "Improving Dense Packings of Equal Disks in a Square" ppsx

Báo cáo toán học: "Improving Dense Packings of Equal Disks in a Square" ppsx

... packing disks in squares. Improving Dense Packings of Equal Disks in a Square David W. Boll Jerry Donovan Ronald L. Graham Boris D. Lubachevsky Hewlett-Packard Hewlett-Packard University of California ... journal of combinatorics (2000),#R46 5 are n ≤ 27, and these proofs involve substantial computation as the value of n increases, and the examination of an exponen...
Ngày tải lên : 07/08/2014, 06:20
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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

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

... 4. Schematic band diagrams. (a) Bulk GaSb/InGaAs heterostructures and (b) GaSb/InGaAs QD nanostructures forming approximately triangular wells. 1a, the statistical data indicate that the density ... Figure 1. AFM and STEM images of GaSb /In 0.53 Ga 0.47 As QDs and histogram of the height of GaSb /In 0.53 Ga 0.47 As QDs. (a) The AFM image of GaSb /In 0.53 Ga 0.47 As QDs, (b)...
Ngày tải lên : 20/06/2014, 20:20
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Báo cáo toán học: " Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles" docx

Báo cáo toán học: " Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles" docx

... acetate and manganese acetate as precursors and ethylene glycol as solvent. X-ray diffraction indicates that all of the as-obtained samples including the highest Mn (7 mol%) in the crystal lattice ... crucial to their practical applications. The fabrication of hierarchical and self-assembly (self-aggregation) micro-/nanostructures using nanoparticles, nanorods, nanoplatelets, etc...
Ngày tải lên : 20/06/2014, 20:20
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Báo cáo toán học: " Strong convergence theorems and rate of convergence of multi-step iterative methods for continuous mappings on an arbitrary interval" pptx

Báo cáo toán học: " Strong convergence theorems and rate of convergence of multi-step iterative methods for continuous mappings on an arbitrary interval" pptx

... Noor, MA: New approximation schemes for general variational inequalities. J. Math. Anal. Appl. 251, 217–229 (2000) [4] Phuengrattana, W, Suantai, S: On the rate of convergence of Mann, Ishikawa, ... convergence of Picard and Mann iterations for a class of Zamfirescu operators in arbitrary Banach spaces. Popescu [28] also used this concept to compare the rate of convergence of P...
Ngày tải lên : 20/06/2014, 20:20
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Báo cáo toán học: "Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L." docx

Báo cáo toán học: "Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L." docx

... in the flora of Algeria by nine species, namely, Launaea acanthoclada, Launaea angustifolia, Launaea anomala, Launaea arborescens, Launaea cassiniana, Launaea glomerata, Launaea ... essential oils of the species of the genus launaea except that reported by Cheriti et al. [6]. In continuation of our phytochemical and antibacterial studies of the Algerian Sahara m...
Ngày tải lên : 20/06/2014, 20:20
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Báo cáo toán học: "Antioxidant, antimicrobial, and theoretical studies of the thiosemicarbazone derivative Schiff base 2-(2-imino-1-methylimidazolidin-4-ylidene)hydrazinecarbothioamide (IMHC)" potx

Báo cáo toán học: "Antioxidant, antimicrobial, and theoretical studies of the thiosemicarbazone derivative Schiff base 2-(2-imino-1-methylimidazolidin-4-ylidene)hydrazinecarbothioamide (IMHC)" potx

... radical scavenging activity of ascorbic acid was also assayed for comparison. The percentage of DPPH radical scavenger was calculated using Equation 1. 25. Al-Amiery AA, Musa AY, Kadhum AH ... gap explains the eventual charge transfer interaction taking place within the molecules. Pharmacology Antibacterial activity The results of antibacterial activity study for IMHC indicated...
Ngày tải lên : 20/06/2014, 20:20
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Báo cáo toán học: " Weak and strong convergence theorems of implicit iteration process on Banach spaces" pdf

Báo cáo toán học: " Weak and strong convergence theorems of implicit iteration process on Banach spaces" pdf

... may be false [1, Example 2]. Construction of approximating fixed points of nonlinear mappings is an important subject in the theory of nonlinear mappings and its applications in a number of applied areas. Let ... maljlin@cc.ncue. edu.tw 1 Department of Mathematics, National Changhua University of Education, Changhua 50058, Taiwan Full list of author information is availabl...
Ngày tải lên : 20/06/2014, 21:20
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Báo cáo toán học: " Weak and strong convergence theorems of implicit iteration process on Banach spaces" doc

Báo cáo toán học: " Weak and strong convergence theorems of implicit iteration process on Banach spaces" doc

... maljlin@cc.ncue. edu.tw 1 Department of Mathematics, National Changhua University of Education, Changhua 50058, Taiwan Full list of author information is available at the end of the article Abstract In this article, ... may be false [1, Example 2]. Construction of approximating fixed points of nonlinear mappings is an important subject in the theory of nonlinear mappings and...
Ngày tải lên : 20/06/2014, 21:20
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