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INFORMATICALT
2000
13 years 5 months ago
2000
This work is an attempt of generalization of the simple statement about the requirements of commutation of words for the case of languages. In the paper, the necessary condition fo...
ALGORITHMICA
1999
13 years 5 months ago
1999
We analyze the performance of the popular class of neighbor-joining methods of phylogeny reconstruction. In particular, we find conditions under which these methods will determine ...
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
This paper studies conditions under which a signal can be reconstructed from partial frequency content. We focus on signals in shiftinvariant spaces generated by multiple generato...
TSP
2010
13 years 14 days ago
2010
The problem of recovering a signal from its low frequency components occurs often in practical applications due to the lowpass behavior of many physical systems. Here we study in d...
TSMC
2002
13 years 5 months ago
2002
Abstract--The notion of the necessary criticality (both with respect to path and to activity) of a network with imprecisely defined (by means of intervals or fuzzy intervals) activ...