73 search results - page 1 / 15 » Some Co-Birkhoff Type Theorems |
ENTCS
2002
13 years 4 months ago
2002
We consider the dual of Theorem 1 from [33], relating closure conditions on subcategories with projectivity classes for collections of discrete cocones. We extend these results by...
CIE
2010
Springer
13 years 9 months ago
2010
Springer
A useful theorem of Kuˇcera states that given a Martin-L¨of random infinite binary sequence ω and an effectively open set A of measure less than 1, some tail of ω is not in A...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
The empirical mode decomposition (EMD) has seen widespread use for analysis of nonlinear and nonstationary time-series. Despite some practical success, it lacks a firm theoretica...
DCG
2008
13 years 5 months ago
2008
We prove Helly-type theorems for line transversals to disjoint unit balls in Rd . In particular, we show that a family of n 2d disjoint unit balls in Rd has a line transversal if,...
CIE
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. A classic result known as the speed-up theorem in machineindependent complexity theory shows that there exist some computable functions that do not have best programs for...