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quant-ph2026
Resource-Optimal Importance Sampling for Randomized Quantum Algorithms
Davide Cugini, Touheed Anwar Atif, Yigit Subasi
Randomized protocols are procedures that incorporate probabilistic choices during their execution and they play a central role in quantum algorithms, spanning Hamiltonian simulatio…
quant-ph2025
Enhancing Quantum Expectation Values via Exponential Error Suppression and CVaR Optimization
Touheed Anwar Atif, Reuben Blake Tate, Stephan Eidenbenz
Precise quantum expectation values are crucial for quantum algorithm development, but noise in real-world systems can degrade these estimations. While quantum error correction is r…
quant-ph2024
Quantum soft-covering lemma with applications to rate-distortion coding, resolvability and identification via quantum channels
Touheed Anwar Atif, S. Sandeep Pradhan, Andreas Winter
We propose a quantum soft-covering problem for a given general quantum channel and one of its output states, which consists in finding the minimum rank of an input state needed to…