Search Results for author: Elham Kashefi

Found 13 papers, 0 papers with code

A unifying framework for differentially private quantum algorithms

no code implementations10 Jul 2023 Armando Angrisani, Mina Doosti, Elham Kashefi

In this paper, we propose a novel and general definition of neighbouring quantum states.

Adversarial Robustness

Differential Privacy Amplification in Quantum and Quantum-inspired Algorithms

no code implementations7 Mar 2022 Armando Angrisani, Mina Doosti, Elham Kashefi

Differential privacy provides a theoretical framework for processing a dataset about $n$ users, in a way that the output reveals a minimal information about any single user.

Quantum Local Differential Privacy and Quantum Statistical Query Model

no code implementations7 Mar 2022 Armando Angrisani, Elham Kashefi

Quantum statistical queries provide a theoretical framework for investigating the computational power of a learner with limited quantum resources.

Graph neural network initialisation of quantum approximate optimisation

no code implementations4 Nov 2021 Nishant Jain, Brian Coyle, Elham Kashefi, Niraj Kumar

In this work, we focus on the quantum approximate optimisation algorithm (QAOA) for solving the MaxCut problem.

Meta-Learning

Delegating Multi-Party Quantum Computations vs. Dishonest Majority in Two Quantum Rounds

no code implementations25 Feb 2021 Theodoros Kapourniotis, Elham Kashefi, Luka Music, Harold Ollivier

The security of our protocol is reduced, in an information-theoretically secure way, to that of a classical composable Secure Multi-Party Computation (SMPC) used to coordinate the various parties.

Quantum Physics

Randomized Benchmarking with Stabilizer Verification and Gate Synthesis

no code implementations25 Feb 2021 Ellen Derbyshire, Rawad Mezher, Theodoros Kapourniotis, Elham Kashefi

Recently, there has been an emergence of useful applications for noisy intermediate-scale quantum (NISQ) devices notably, though not exclusively, in the fields of quantum machine learning and variational quantum algorithms.

Quantum Physics

Efficient Construction of Quantum Physical Unclonable Functions with Unitary t-designs

no code implementations14 Jan 2021 Niraj Kumar, Rawad Mezher, Elham Kashefi

Quantum physical unclonable functions, or QPUFs, are rapidly emerging as theoretical hardware solutions to provide secure cryptographic functionalities such as key-exchange, message authentication, entity identification among others.

Quantum Physics

Variational Quantum Cloning: Improving Practicality for Quantum Cryptanalysis

no code implementations21 Dec 2020 Brian Coyle, Mina Doosti, Elham Kashefi, Niraj Kumar

In this work, we propose variational quantum cloning (VQC), a quantum machine learning based cryptanalysis algorithm which allows an adversary to obtain optimal (approximate) cloning strategies with short depth quantum circuits, trained using hybrid classical-quantum techniques.

Adversarial Attack Cryptanalysis +1

Quantum versus Classical Generative Modelling in Finance

no code implementations3 Aug 2020 Brian Coyle, Maxwell Henderson, Justin Chan Jin Le, Niraj Kumar, Marco Paini, Elham Kashefi

Finding a concrete use case for quantum computers in the near term is still an open question, with machine learning typically touted as one of the first fields which will be impacted by quantum technologies.

BIG-bench Machine Learning Open-Ended Question Answering

The Born Supremacy: Quantum Advantage and Training of an Ising Born Machine

no code implementations3 Apr 2019 Brian Coyle, Daniel Mills, Vincent Danos, Elham Kashefi

In particular, we explore quantum circuit learning using non-universal circuits derived from Ising Model Hamiltonians, which are implementable on near term quantum devices.

BIG-bench Machine Learning Quantum Machine Learning

Experimental Demonstration of Blind Quantum Computing

no code implementations6 Oct 2011 Stefanie Barz, Elham Kashefi, Anne Broadbent, Joseph F. Fitzsimons, Anton Zeilinger, Philip Walther

Quantum computers, besides offering substantial computational speedups, are also expected to provide the possibility of preserving the privacy of a computation.

Quantum Physics

Universal blind quantum computation

no code implementations25 Jul 2008 Anne Broadbent, Joseph Fitzsimons, Elham Kashefi

We present a protocol which allows a client to have a server carry out a quantum computation for her such that the client's inputs, outputs and computation remain perfectly private, and where she does not require any quantum computational power or memory.

Quantum Physics

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