1132 search results - page 158 / 227 » Upper and lower Ramsey bounds in bounded arithmetic |
145
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JCT
2011
15 years 1 months ago
2011
This article is devoted to the study of continuous colorings of the n-element subsets of a Polish space. The homogeneity number hm(c) of an n-coloring c : [X]n → 2 is the least s...
186
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MST
2011
15 years 1 months ago
2011
Hierarchical graph definitions allow a modular description of graphs using modules for the specification of repeated substructures. Beside this modularity, hierarchical graph de...
134
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Frame (upper and lower) bound ratio is a key factor of numerical stability of frame systems. While tight frames, of which the minimal ratio 1 is achieved, are much preferred in ma...
185
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
This paper presents a detailed sum rate investigation of Zero-Forcing (ZF) detectors over composite multiple-input multiple-output (MIMO) channels. To this end, we consider the ge...
196
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ACL
2011
14 years 10 months ago
2011
Via an oracle experiment, we show that the upper bound on accuracy of a CCG parser is significantly lowered when its search space is pruned using a supertagger, though the supert...