Pooya Ronagh - Leveraging Periodicity as a Quantum PDE Solver - IPAM at UCLA

Recorded 17 February 2026. Pooya Ronagh of the University of Waterloo presents "Leveraging Periodicity as a Quantum PDE Solver" at IPAM's Bridging the Gap Between NISQ and FTQC Workshop.
Abstract: Quantum computing is anticipated to deliver substantial computational advantages for problems that possess exploitable structure. A central question, however, is what forms of structure enable such advantages, and whether they arise in meaningful real-world applications. While this question has been extensively studied for discrete computational problems (i.e. those involving Boolean functions), an analogous systematic investigation has been lacking for continuous-domain problems. In this talk, we relate different degrees of smoothness of real-valued periodic functions to the computational complexity of preparing high-precision amplitude encodings of these functions as quantum states. We focus on the setting in which such functions arise as solutions to partial differential equations (PDEs). We then introduce a novel pseudo-spectral Fourier–analytic framework for manipulating periodic functions, which gives rise to a rich family of quantum algorithms for solving both time-dependent and time-independent PDEs at varying target precisions. As an illustrative application, we present a hierarchy of many-body quantum simulation pipelines that exhibit increasing levels of quantum computational advantage as the scale of available quantum resources grows.
Learn more online at: https://www.ipam.ucla.edu/programs/workshops/bridging-the-gap-between-nisq-and-ftqc/ Receive SMS online on sms24.me

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