CORR
2008
Springer
14 years 9 months ago
2008
Springer
We consider a problem of considerable practical interest: the recovery of a data matrix from a sampling of its entries. Suppose that we observe m entries selected uniformly at ran...
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FSTTCS
2008
Springer
14 years 10 months ago
2008
Springer
We consider the problem of maintaining information about the rank of a matrix M under changes to its entries. For an n × n matrix M, we show an amortized upper bound of O(nω−1)...