672 citations
- Michael Walter2 profiles24 · h 30
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- University of AmsterdamNL195 papers
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13 papers · 2 filters
The European Quantum Technologies Roadmap
Antonio Acín, Immanuel Bloch, Harry Buhrman +15
Within the last two decades, Quantum Technologies (QT) have made tremendous progress, moving from Noble Prize award-winning experiments on quantum physics into a cross-disciplinary…
Schur-Weyl Duality for the Clifford Group with Applications: Property Testing, a Robust Hudson Theorem, and de Finetti Representations
David Gross, Sepehr Nezami, Michael Walter
Schur-Weyl duality is a ubiquitous tool in quantum information. At its heart is the statement that the space of operators that commute with the tensor powers of all unitaries is sp…
Quantum Query Algorithms are Completely Bounded Forms
Srinivasan Arunachalam, Jop Briët, Carlos Palazuelos
We prove a characterization of -query quantum algorithms in terms of the unit ball of a space of degree- polynomials. Based on this, we obtain a refined notion of approximat…
Quantum Fully Homomorphic Encryption With Verification
Gorjan Alagic, Yfke Dulek, Christian Schaffner +1
Fully-homomorphic encryption (FHE) enables computation on encrypted data while maintaining secrecy. Recent research has shown that such schemes exist even for quantum computation.…
Disentanglement Cost of Quantum States
Mario Berta, Christian Majenz
We show that the minimal rate of noise needed to catalytically erase the entanglement in a bipartite quantum state is given by the regularized relative entropy of entanglement. Thi…
Continuous-Variable Protocol for Oblivious Transfer in the Noisy-Storage Model
Fabian Furrer, Tobias Gehring, Christian Schaffner +3
Cryptographic protocols are the backbone of our information society. This includes two-party protocols which offer protection against distrustful players. Such protocols can be bui…