cayley apos s generating function for the number of invariants
Báo cáo toán hoc:"Generating functions for the number of permutations with limited displacement." ppsx
Ngày tải lên :
08/08/2014, 01:20
... removed by “◦” The second diagram (in Fig 1) shows the walk by using an “erase”-process (instead of removing the first row and the hi ’th column in the i’th step, we just erase these elements by changing ... same determinant as K has dimension 2r less than the dimension of T The second transfer-matrix method shows that deg gd (z) |Z| = 2d−1 + 2d d (3) We have computed the generating functions for ... We start with A0,0 Let Ax,z be the matrix we have after k − steps Let the first row of Ax,z be row number r and the first column of Ax,z be column number s of the original A0,0 Let the number of...
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Báo cáo khoa học: A novel metallobridged bis(b-cyclodextrin)s fluorescent probe for the determination of glutathione doc
Ngày tải lên :
07/03/2014, 05:20
... determination using bis(b-CD )s Scheme Synthesis of the novel metallobridged bis(b-CD )s Scheme The detection mechanism Results and Discussion bis(b-CD )s with copper (II) chlorate is Fig The plot for the ... quantity is used Whereas if the amount of buffer is excessive, the ionic strength is too great, which inuences the uorescence intensity Therefore, the inuence of the volume of buffer was measured ... and the regression equation The average recovery test was made using the standard addition method, and the RSD was generally good when obtained from a series of six plasma samples These results...
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Báo cáo toán học: " Bijective proofs of the hook formulas for the number of standard Young tableaux, ordinary and shifted" pptx
Ngày tải lên :
07/08/2014, 06:20
... other proofs not Secondly, the same idea also works to provide a bijective proof of the hook formula for the number of shifted standard Young tableaux (and its q-analogue; see the Theorem in section ... proof for the shifted hook formula has been given before On the other hand, our proofs are still not satisfactory in that they involve the involution principle The outline of the paper is as follows ... shifted sense, depending on whether the shape λ is understood in the ordinary or shifted sense Finally, we introduce some special tabloids to be used in the course of the following bijections...
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Báo cáo toán học: "An Asymptotic Expansion for the Number of Permutations with a Certain Number of Inversions" docx
Ngày tải lên :
07/08/2014, 06:20
... term holds uniformly for all real numbers x Our result follows since, apart from the error term, the smallest term in (19) has order of magnitude at least n−4 for x2 = x2 (n) ≤ ln n We note several ... for all real numbers x Our result follows since, apart from the error term, the smallest term in (29) has order of magnitude at least n−m−1 for x2 = x2 (n) ≤ ln n As a consequence of Theorem 3, ... is even See Corollaries 2, for other asymptotic expansions In what follows, k, and n are integers with ≤ k ≤ n and ≤ ≤ n We denote the nonnegative integers by N All asymptotic formulas are for...
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Báo cáo toán học: "On the Stanley-Wilf conjecture for the number of permutations avoiding a given pattern" ppt
Ngày tải lên :
07/08/2014, 06:22
... this short note we give, as Theorem 1, a simple argument, involving subadditivity, which shows that the two versions of the conjecture are equivalent Here is some background information on the ... combinatorics (1999), #N1 Let τ ∈ Sm and τ ∈ Sn , where each of τ and τ avoids σ Let τ be the result of adding m to each symbol in the word for τ , so that τ is a word in which each of the symbols m ... 398, give a formula for n! − G(n, 3), the number of n-permutations which contain all six patterns of length In considering G(n, k), it is natural to consider the length m(k) of the shortest permutation...
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Báo cáo toán học: "A LOWER BOUND FOR THE NUMBER OF EDGES IN A GRAPH CONTAINING NO TWO CYCLES OF THE SAME LENGTH" pptx
Ngày tải lên :
07/08/2014, 06:22
... Now we define these Bi s These subgraphs all have a common vertex x, otherwise their vertex sets are pairwise disjoint For 7t+1 ≤ i ≤ t − 742, let the subgraph B19t+2i+1 consist of a cycle C19t+2i+1 ... that there exists a graph G on n vertices with n + 32t − edges such that all cycles in G have distinct lengths Now we construct the graph G which consists of a number of subgraphs: Bi , (0 ≤ i ... 17t+1 Then f (n) ≥ n + 32t − 1, for n ≥ nt This completes the proof of the theorem From the above theorem, we have f (n) − n 2562 √ ≥ 2+ , n 6911 √ 487 which is better than the previous bounds (see...
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Báo cáo toán học: "Improved bounds for the number of forests and acyclic orientations in the square lattice" doc
Ngày tải lên :
07/08/2014, 07:21
... p−1 Bi corresponds to the edge set of a spanning forest of Lkp+1 i=0 The reason is the following Suppose there is a cycle C in B, then it would intersect some of the subgraphs Bi The cycle C ... n→∞ The proof of the second equality is very similar; it relies again on the formula T (G∗ ; x, y) = T (G; y, x), and the fact that the number of forests and the number of connected subgraphs are ... for small values of k We use matlab to obtain the corresponding eigenvalues Here the note of the last section applies and we consider these eigenvalues accurate up to the last decimal For the...
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Báo cáo toán học: "A closed formula for the number of convex permutominoes" pot
Ngày tải lên :
07/08/2014, 15:22
... perform “local expansions” on each object of size n, thus constructing a set of objects of the successive size (see [3] for more details) The application of the ECO method often leads to an easy ... i.e the solution of the kernel − s + ts2 = Of the two solutions we observe that only √ − 4t s0 = 2t is a formal power series with positive coefficients Substituting s = s0 in (5) we have: 1− 2s0 ... : the uppermost cell of the rightmost column of the polyomino has the maximal ordinate among all the cells of the polyomino; U2 : the lowest cell of the rightmost column of the polyomino has the...
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Báo cáo toán học: "The many formulae for the number of Latin rectangles" doc
Ngày tải lên :
08/08/2014, 01:20
... combinatorics 17 (2010), #A1 isomorphism amongst Latin squares stems from isomorphism amongst quasigroups The number of isomorphism classes of quasigroups is the number of isomorphism classes of Latin squares ... squares of order n Curiously, the number of isomorphism classes of quasigroups is odd for all n 17 except when n = 12 [151] A result of [96] implies that the number of isomorphism classes of quasigroups ... classes of Latin squares that contain a reduced Latin square is the number of isomorphism classes of loops (since every quasigroup isomorphic to a loop is also a loop) These numbers are listed for...
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Báo cáo toán học: "A short proof for the number of permutations containing pattern 321 exactly once" ppt
Ngày tải lên :
08/08/2014, 14:23
... and its greatest (resp least) element is distinct from its rightmost (resp leftmost) element Thus, f is a bijection from Sn (321) onto its image, i.e the subset of Sn+2 (321) that consists of permutations ... for the statistic of the number of fixed points on Sn (321; 1), since the map f preserves the number of fixed points References [1] D E Knuth The Art of Computer Programming, vols 1,3 Addison-Wesley ... Therefore, the generating function for the number of nonempty 321-avoiding permutations whose greatest value is not their rightmost value (or whose least value is not their leftmost value) is...
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Báo cáo sinh học: "Selection responses for the number of fertile eggs of the Brown Tsaiya duck (Anas platyrhynchos) after a single artificial insemination with pooled Muscovy (Cairina moschata) semen" pptx
Ngày tải lên :
14/08/2014, 13:21
... univariate analyses [31], as in [18] RESULTS 3.1 Percentage of selection Table I shows the number of females measured and selected as parents, the number of males raised and selected as parents in each ... responses (and standard deviations) and predicted genetic responses (and standard errors) across the seven generations of selection, for the Ie, F, M, Dm, and H traits Figure shows the trends of ... [30] Statistical Analysis System Institute, User s guide: Statistics, Release 6.03, SAS® Institute Inc Cary NC, 1988 [31] Sorensen D.A., Kennedy B.W., Analysis of selection experiments using...
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Báo cáo toán học: "A Colorful Involution for the Generating Function for Signed Stirling Numbers of the First Kind" pps
Ngày tải lên :
08/08/2014, 01:20
... Janet Beissinger, who was the first to explore [1] combinatorial proofs using colored permutations, for their assistance References [1] Janet Beissinger Colorful proofs of generating function ... For (π, f ) ∈ Sn,A , let R(π,f ) = {(i, j) : i < j n; f (Kπ (i)) = f (Kπ (j))} be the set of pairs of distinct elements of [n] in cycles–not necessarily distinct–colored the same way ... identities Unpublished notes, 1981 [2] Richard P Stanley Enumerative combinatorics Vol 1, volume 49 of Cambridge Studies in Advanced Mathematics Cambridge University Press, Cambridge, 1997 With a foreword...
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EFFECT OF THE NUMBER OF THE VERTICAL PIPES FOR THE PASSIVE AERATION ON THE COMPOSTING RATE
Ngày tải lên :
05/09/2013, 08:40
... time for different composting runs Conversion of carbon of the three composting runs As the initial and final carbon contents in the composting raw materials were assessed on the solid basis before ... summarizes the estimated values of the composting rate from Eq (3) by using the experimental results of each of the composting runs Table Estimated composting rate at the steady state Run (-) Pipes number ... increasing the number of the pipes in the pile s bottom zone Furthermore, the distance between the pipes seems to facilitate the air penetration into the composting pile For illustration, the distance...
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iec 60269-4 low-voltage fuses - supplementary requirements for fuse-links for the protection of s
Ngày tải lên :
25/12/2013, 10:55
... Des exemples de dispositions dessai sont donnộes dans les figures 2a et 2b Des dispositions dessai pour dautres types sont indiquộes dans la CE1 60269-2-1 : Rốgles supplộmentaires pour les fusibles ... fuse-link satisfies the conditions of 7.5, test nos to 2a for a R fuse-links and tests numbers 1, and for g R and gS fuse-links, as described below, shall be made, unless otherwise specified, with the ... values stated in table XIIA (see 8.5.5.2) for each of these tests Test nos and 2: For each of these tests, three fuse-links shall be tested in succession If, during test no 1, the requirements of...
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Tài liệu Báo cáo khoa học: a-Conotoxins as tools for the elucidation of structure and function of neuronal nicotinic acetylcholine receptor subtypes doc
Ngày tải lên :
19/02/2014, 12:20
... Alzheimer s disease, Parkinson s disease, Tourette s syndrome and certain forms of epilepsy and schizophrenia [24,25] However, the therapeutic use of nicotine is hindered by its adverse effects on the ... absence of endogenous nAChR subunits, the comparable ease of producing subunit combinations and its suitability for electrophysiological measurements, the Xenopus oocyte expression system is ... proteins or cytoskeletal elements might modulate the nAChR properties as seen for other receptors Such proteins might be absent or not sufficiently expressed in certain expression systems In cells of...
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Tài liệu China’s Holdings of U.S. Securities: Implications for the U.S. Economy pptx
Ngày tải lên :
20/02/2014, 20:20
... to key sectors of the economy Some of these securities are backed by assets (such as home mortgages) 18 As of June 2011, 75% of U .S short-term debt consisted on U .S Treasury securities, followed ... Chinese savers to U .S consumers in the form of lower-cost Chinese products and lower U .S interest rates That subsidy helps to boost U .S consumption of Chinese products, which supports China s export ... issues In the 112th Congress, H.R 2166 and S 1028 would seek to increase the transparency of foreign ownership of U .S debt instruments, especially China s, in order to assess if such holdings...
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Báo cáo khoa học: The modulation of metal bio-availability as a therapeutic strategy for the treatment of Alzheimer’s disease pptx
Ngày tải lên :
07/03/2014, 10:20
... metal deficiency by sequestering metals outside the cell Figure summarizes these interdependent dysfunctional events With the loss of biometal homeostasis placed central to all of these AD-related ... clear In the AD affected brain, metal dyshomeostasis is evident in the form of a substantial increase in the levels of extracellular metals and a decrease in the levels of intracellular metals Here, ... but their development is the result of an aberrant shift in activity of tau kinases and phosphatases [3] Thus, although targeting plaques and NFTs may ameliorate some of the consequences of AD...
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Báo cáo khoa học: Purification, microsequencing and cloning of spinach ATP-dependent phosphofructokinase link sequence and function for the plant enzyme pdf
Ngày tải lên :
07/03/2014, 11:20
... cytosol-specific isoenzymes in spinach Since then, the isoforms of ATP-PFK from various plant sources have been studied [23–34] Spinach cytosolic ATP-PFK is activated by 25 mm phosphate, whereas the ... other plants [27] These Fig Spinach PFK activity assayed in the absence (black bar) or presence (gray bar) of 25 mM phosphate The white bar shows pyrophosphate:fructose-6-phosphate 1-phosphofructokinase ... Biosystems, Darmstadt, Germany) as previously described [53] Cloning of PFK genes Degenerate primers were designed on the basis of peptide sequences determined from the purified protein For SoPFK1,...
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ELSEVIER''''S MEDICAL TERMINOLOGY FOR THE PRACTICING NURSE pdf
Ngày tải lên :
15/03/2014, 13:20
... angiostenosis Constriction of a blood vessel angiosteosis A calcified blood vessel angiotensis A vasopressor angiotitis Inflammation of the otic vessels angiitis Chest pain angor animi The fear of ... diabetes mellitus, serious muscular weakness, and loss of sight acromyotonia Acromytonus — muscular spasms of the extremities, which may cause deformity (s) acro-osteolysis That genetic condition of ... nervous system Used in the treatment of narcolepsy and clinical depression, it has fallen into disuse because of the high risk of dependency The prescribed use for the therapy of obesity, decades...
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A MASTER''''S PROJECT SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTERS IN NURSING potx
Ngày tải lên :
17/03/2014, 06:20
... alternatives as the first pain intervention whether or not opioid analgesics use is justified If opiate use is justified, the NP should discuss the risks and benefits including the possibility of physical ... Yet, despite this effort, the war against prescription opiate abuse continues to soar As the epidemic of prescriptions for opiates increases, so the efforts to develop specific educational strategies ... prescribers, patients, and social groups (such as families) consciously make choices to disregard the appropriate use of prescription opiates Prescribers show evidence of this when they prescribe...
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