on the computational complexity of matrix semigroup problems

... UVG-dls. 4 Computational Complexity We study in this section the complexity of sev- eral decision problems on MLIGs, prominently of emptiness and membership problems, in the general (Section 4.2), k-bounded ... 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

... this 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, ... 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 straight- ... be done in polynomial time if the number of minimal sets is polynomial in the length of the description, which will happen if (non-zero) upper and lower bounds are placed on the length of...

Ngày tải lên: 17/03/2014, 20:20

Ngày tải lên: 12/05/2014, 02:14

Ngày tải lên: 23/03/2014, 17:20

Ngày tải lên: 20/06/2014, 21:20

... in the body part, especially in the news plentiful of content and the content expresses the reaction to the news. Like the headline, it attracts the reader’s attentions to the main content of ... And the structure is one of the features of the news story’s paragraph. According to Do Huu Chau [2]: “Structure is an art of the performance on content factors of the writers. Structurally, the ... face-to-face interaction. The situation, therefore, must be interfered from the text. Naturally, readers only pay attention to the contents or news of the news story, they do not care how the story are...

Ngày tải lên: 02/09/2012, 11:12

Ngày tải lên: 05/09/2013, 08:40

Ngày tải lên: 05/09/2013, 09:08

Ngày tải lên: 05/09/2013, 09:08

Ngày tải lên: 05/09/2013, 09:38

Ngày tải lên: 05/09/2013, 15:28

Ngày tải lên: 05/09/2013, 16:10

... relations are not mere functions of class or anything else, and in this sense they have some genuine autonomy. An implication of relatively strong versions of the gender-autonomy thesis is that the ... compositions. Class counts150 tion of housework ± to the contrast between highly egalitarian and inegalitarian households ± rather than to the distribution as a whole. None of these manipulations of the ... mobilization of classes on the one hand and gender relations on the other. One might argue that the Class counts156 countries, therefore, it appears that in what might be thought of as traditional...

Ngày tải lên: 01/11/2013, 07:20

Ngày tải lên: 21/12/2013, 14:47

... any opinion whatsoever on the part of ITU concerning the legal status of any country, territory, city or area, or concerning the delimitations of its frontiers or boundaries. The mention of specific ... represent the views of the International Telecommunication Union (ITU) or its membership. The designations employed and the presentation of material, including maps, do not imply the expression of ... that the potential contribution of ICTs to economic growth differs across nations. First, the impact of ICT on economic growth and its specific form are probably dependent on the stage of economic...

Ngày tải lên: 14/02/2014, 08:20

... crew in the table is the first 1849 Cambridge crew. 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 ... as they bear upon the duration of life of Uni- versity Oarsmen, must be deemed decidedly favourable ; the lives of each one of the 32 crews to which they refer extending over 334 instead of 320 ... to loosen their hold upon the youth of Great Britain. Viewing athletic contests then as national institu- tions, what is their influence upon health ? Are they calculated to improve the physique of...

Ngày tải lên: 14/02/2014, 21:20

... balancing impact on risk-taking incentives due to the short retention period. The impact of the deferred portion depends on performance conditions; in the absence of performance conditions, deferred ... is common in the United States. If the same 60 percent of the incentive compensation award is deferred, the whole 60 percent is exposed to the variation in the value of the stock. If the stock ... and control personnel in the design and implementation of incentive compensation arrange- ments, incentive compensation for such personnel that is independent of the financial performance of the...

Ngày tải lên: 16/02/2014, 10:20

... put constraints on carbon need to focus on all sectors of the economy. They should encourage conservation and the introduction of lower-carbon fuels and energ y sources, while increasing the demand ... require the successful implementation of at least seven of these 15 approaches to achieve the annual reduction of 7 billion tonnes of carbon emissions from business-as-usual forecasts. 4 While the ... program to offset the CO 2 emitted from the production of our hybrid vehicles in the U.S. The purchase price of the offset is applied to a project that reduces or sequesters the emission of CO 2 elsewhere. We...

Ngày tải lên: 18/02/2014, 00:20

... event in prion diseases is the conversion of the cellular conformation of the prion protein (PrP C ) to an altered disease-associated form, generally denoted as scrapie isoform (PrP Sc ). The molecular ... result from the sum of the component intensities associated with each species in proportion to their individual concentrations at a particular experimental condition. A linear correlation for the plot of ... dependent on urea concentration, following the relationship DG obs = DG(H 2 O) ) m[urea] where m is a constant reflecting the gradient of a plot of DG as a function of denaturant concentration [63]. For...

Ngày tải lên: 18/02/2014, 17:20