73 citations · 126 across the 3 of their papers we have counts for
3 papers
quant-ph2005★ 2 cited
Estimating the spectrum of a density matrix with LOCC
Manuel A. Ballester
The problem of estimating the spectrum of a density matrix is considered. Other problems, such as bipartite pure state entanglement, can be reduced to spectrum estimation. A local…
quant-ph2004★ 51 cited
Entanglement is not very useful for estimating multiple phases
Manuel A. Ballester
The problem of the estimation of multiple phases (or of commuting unitaries) is considered. This is a sub-model of the estimation of a completely unknown unitary operation where it…
quant-ph2003★ 73 cited
Estimation of unitary quantum operations
Manuel A. Ballester
The problem of optimally estimating an unknown unitary quantum operation with the aid of entanglement is addressed. The idea is to prepare an entangled pair, apply the unknown unit…