on the computational complexity of the jones and tutte polynomials

... in the second vector has to spawn even- tually one occurrence of each S → aS, S → bS, and S → cS, which corresponds exactly to the MLIG of Example 2. The ease of translation from the grammar of Figure ... static 519 Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics, pages 514–524, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics On the Computational ... e 3 ) = 0. Extensions The subsumption of Petri nets is not innocuous, as it allows to derive lower bounds on the computational complexity of MLIGs. Among several extensions of Petri net with...

Ngày tải lên: 16/03/2014, 23:20

... Example: the current discourse context con- tains objects A, B, and C (and no other objects), and these objects have the following classifications and attributes (of which both the speaker and the ... context, it requires refer- ring expressions to be factual descriptions of the referred-to object. This condition is already part of the definition of a successful referring expression, and ... expression, and let N be the number of components that are potentially useful in a description, i.e., the number of members of Target-Components that rule out at least one member of Excluded. The...

Ngày tải lên: 17/03/2014, 20:20

Ngày tải lên: 12/05/2014, 02:14

... Four of the men of which it consisted died young; (two of them from accidental causes, one only three years after the race, and the other only five). I have calculated that on an average the Oars ... tale, and with good reason may the British mother bewail the murder of her inno* cents and denounce the callous indifference of those to whom their education is entrusted. As a further proof of the ... rows in the race ought to live till the age of 60; and if all the members of the Oxford 1829 crew had lived till the 10th of June, 1869, the 40th anniversary of the race, and then died, their lives...

Ngày tải lên: 14/02/2014, 21:20

... anonymous responses. The respondents’ remarks reflect their personal positions on the issues and are not the positions of their employers; however, their leadership roles in key organizations ... supplanting other programs.” Seth Finkelstein, professional programmer and consultant and 2001 winner of a Pioneer of the Electronic Frontier Award from Electronic Frontier Foundation, agreed. ... change of the sort sketched in the question, we would have to see a fragmenting of the consensus about higher education and a paradigm- based battle between revolutionaries and conservatives of the...

Ngày tải lên: 18/02/2014, 00:20

... http://www.thecoca- colacompany.com/dynamic/press_center/2012/06 /the- journey-to-shared-value.html 76 Landon J, Gritschneder Y. An analysis of the regulatory and voluntary landscape concerning the marketing and promotion of foods and drinks to children. National Heart Forum London, 2011. ... nutrient profile scoring model based on the one developed in the UK by the Food Standards Agency for use by the media and communications regulator, Ofcom.” Danone Will apply the nutritional criteria ... European Union within the framework of the Pilot Project on Transatlantic Methods for Handling Global Challenges. The contents of this report are the sole responsibility of the authors and cannot...

Ngày tải lên: 18/02/2014, 21:20

... 17 of the Act concerning the conditions of Accession of the Czech Republic, the Republic of Estonia, the Republic of Cyprus, the Republic of Latvia, the Republic of Lithuania, the Republic of ... may offer advice to and be consulted by the Council, the Commission and the competent authorities of the Member States on the scope and implementation of Community legislation relating to the ... majority on a recommendation from the ECB and after consulting the Commission, or unanimously on a proposal from the Commission and after consulting the ECB. In either case the assent of the European...

Ngày tải lên: 06/03/2014, 10:20

... explan- ation for these observations is that Glu144 is ionized at the pH values where the wildtype and D142N curves merge, meaning that the effect of residue 142 on the acidity of the proton of Glu144 ... 5 and 7 shows that in the presence of the substrate, rotation of Asp142 towards Glu144 lowers the pK a of the latter by 0.8 pH units. The calculated effects of the D140N and D215N muta- tions ... for the position of residue 142 [34]. The pK a calculations indicate that the only candidate for a residue determining the basic arm of the pH-activity profile of the D142N mutant is Glu144. The...

Ngày tải lên: 07/03/2014, 14:20

... dependent on the strength of the Fe-His bond and hence on the status of the proximal His H-bond. It appears that one can readily rationalize the general trends but not the magnitude of the chan- ges ... change in the functional properties of the enzyme and any catalytic consequences of the mutation are at best slight. This finding is strengthened by the electronic absorp- tion and resonance Raman ... and BamHI and ligated into the expression vector pFLAG1 at the unique NdeI and BglII sites. Expression of HRPC in E. coli W31110, isolation of inclusion bodies, refolding and purification of the...

Ngày tải lên: 07/03/2014, 21:20

... that of their owners, i.e. financial institutions that are owned either by the municipalities and/ or savings banks associations, on the one hand, or by the Federal States on the other. Therefore, ... and internationalisation process. This invites the conclusion that a form of verticalisation is necessary for the restructuring of the Landesbanks. The goal of tying the business models of ... banks and Landesbanks are liable to one another. Following the abolition of state guarantees, the quality and economic performance of such an institutional protection scheme no longer meets the...

Ngày tải lên: 15/03/2014, 10:20

... define the position, orientation, conformation and hydrogen bonding network of the pterin cofactor in the three structures. Superpositions of the binary and ternary complexes of hPAH onto the crystal ... l M . The presence of 500 l M of the oxidized cofactor H 2 biopterin in the running buffer also lowers the Fig. 2. The effect of pterin cofactor on the global conformational transition of tetrameric ... fractional decrease of phos- phorylation rate seen at the concentration x of H 4 biopterin. v o is the rate in the absence of H 4 biopterin and v min is the rate at very high concentrations of H 4 biopterin....

Ngày tải lên: 17/03/2014, 09:20

... to one-electron reduction of the semireduced to the reduced and EPR silent state of the FeMo cofactor [45]. DISCUSSION The FeMo cofactor, one of the two unique metal clusters present in the MoFe ... nitrogenase. The pre-steady kinetics of MoFe protein reduction and hydrogen evolution under cond itions of limiting electron flux show that the rates of association with the Fe-protein and electron transfer ... environment or to protonation/depro- tonation effects in the cluster itself. pH-based signal shifts and the occurrence of a dditional signals have been reported for the cofactor of the MoFe proteins...

Ngày tải lên: 18/03/2014, 01:20

... preservation of culture and knowledge and better preservation and transport of food are just some of the important contributions of the industry to modern civilization. Today, the end-products of the ... Discussion on the results 75 6 Industry consolidation and its effect on profitability 78 6.1 Current level of consolidation 78 6.2 Consolidation and pricing 80 6.3 Feasibility of increased consolidation ... considerations for the industry of the previous sections - Chapter 11 provides the main findings, discussion of the results and the research questions. - Chapter 12 discusses the limitations of the...

Ngày tải lên: 18/03/2014, 02:20

... executives; the cost of starting and maintaining the business; and the responsibilities of the seller and purchaser on the purchase is made. ce Warranties and Guarantees of ritten Warranty ... determining whether an ad ag y on re ency he preparation of the challenged ad, and whether the agency knew or should be held liable, the FTC looks at the extent of the agency’s participation in ... tell the consumer the terms of the offer. Wool and Textile Products The Textile and Wool Acts require you to disclose country of origin information in catalogs and other...

Ngày tải lên: 22/03/2014, 21:20

... further goals include testing the coverage of this approach, and exploring the relation between the proposed extension to the BEPDA and the form of the SI-TAG grammar. References [Besten and ... unwrap and pop the matrix clause, and then pop Vz** in the usual manner. The grammar corresponding to the BEPDA of Figure 6 is shown in Figure 7 (the arrows again show the sequence of adjunctions): ... two types of moves: either an input is read and pushed onto a new stack on top of the stack of stacks, or a fixed num- ber of stacks below and above a designated stack on the stack of stacks...

Ngày tải lên: 23/03/2014, 20:20

... TDS Ã ð3Þ Dependence of the hydrolysis reaction rates by neurolysisn and TOP on concentration and chemical nature of salts The dependence of the rate constants according to the concentration and the chemical ... 53% [3]; and from the deconvolution of CD at 37 °C in the absence of NaCl (195– 260 nm) was 51%. For the spectrum of TOP in the same conditions the deconvolution indicated 45% of a helix content. ... Val position in order to verify the influence of the nature of the amino acid at this position on determination of the cleavage sites and on the amount of their hydrolysis. This series of peptides...

Ngày tải lên: 23/03/2014, 21:21

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Ngày tải lên: 29/03/2014, 23:20

Ngày tải lên: 12/06/2014, 11:36