~/talks

Anurag Anshu

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  • ITCS2 editions2022–2023

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titleconferencedate
Concentration bounds for quantum states and limitations on the QAOA from polynomial approximationsITCS 20232023-01-10
Proves Gaussian-style concentration for the Hamming weight distribution of n-qubit outputs by building local approximations via low-degree polynomial…
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Circuit lower bounds for low-energy states of quantum code HamiltoniansITCS 20222022-01-31
Proves a concrete circuit-depth lower bound for every low-energy state of Hamiltonians built from stabilizer codes, giving depth at least Θ(log D) and a second…
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On Query-to-Communication Lifting for Adversary BoundsMeet the Fellows Welcome Event2021-09-08
Shows that Chebyshev polynomials give the optimal low-degree approximations driving several concrete advances: a provable near-linear runtime algorithm for 1D…
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