Sciweavers

ICALP
2004
Springer
14 years 4 months ago
A Domain Theoretic Account of Picard's Theorem
We present a domain-theoretic version of Picard’s theorem for solving classical initial value problems in Rn . For the case of vector fields that satisfy a Lipschitz condition, ...
Abbas Edalat, Dirk Pattinson
ICA
2004
Springer
14 years 4 months ago
On the Strong Uniqueness of Highly Sparse Representations from Redundant Dictionaries
A series of recent results shows that if a signal admits a sufficiently sparse representation (in terms of the number of nonzero coefficients) in an “incoherent” dictionary, th...
Rémi Gribonval, Morten Nielsen