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17 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…
Telecloning of qudits via partially entangled states
Gabriel Araneda, Nataly Cisternas, Aldo Delgado
We study the process of quantum telecloning of -dimensional pure quantum states using partially entangled pure states as quantum channel. This process efficiently mixes optimal…
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…
Unforgeable Quantum Encryption
Gorjan Alagic, Tommaso Gagliardoni, Christian Majenz
We study the problem of encrypting and authenticating quantum data in the presence of adversaries making adaptive chosen plaintext and chosen ciphertext queries. Classically, secur…
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.…