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Di Fang

Assistant Professor of Mathematics
Mathematics
515 S Mangum St, #5302, Durham, NC 27701

Current Appointments & Affiliations


Assistant Professor of Mathematics · 2023 - Present Mathematics, Trinity College of Arts & Sciences
Member of the Duke Quantum Center · 2024 - Present Duke Quantum Center, Pratt School of Engineering

In the News


Published October 9, 2023
New Math Faculty Represent New Wave of Computational Thinking

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Recent Publications


Time-Dependent Hamiltonian Simulation via Magnus Expansion: Algorithm and Superconvergence

Journal Article Communications in Mathematical Physics · June 1, 2025 Hamiltonian simulation becomes more challenging as the underlying unitary becomes more oscillatory. In such cases, an algorithm with commutator scaling and a weak dependence, such as logarithmic, on the derivatives of the Hamiltonian is desired. We introdu ... Full text Cite

Mixing Time of Open Quantum Systems via Hypocoercivity.

Journal Article Physical review letters · April 2025 Understanding the mixing of open quantum systems is a fundamental problem in physics and quantum information science. Existing approaches for estimating the mixing time often rely on the spectral gap estimation of the Lindbladian generator, which can be ch ... Full text Cite

UNIFORM OBSERVABLE ERROR BOUNDS OF TROTTER FORMULAE FOR THE SEMICLASSICAL SCHRÖDINGER EQUATION

Journal Article Multiscale Modeling and Simulation · January 1, 2025 Known as the no fast-forwarding theorem in quantum computing (see, e.g., Theorem 3 in [D. W. Berry et al., Comm. Math. Phys., 270 (2007), pp. 359-371], Theorem 5 in [A. M. Childs, Comm. Math. Phys., 294 (2010), pp. 581-603], and [R. Kothari, Efficient Simu ... Full text Cite
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Recent Grants


CAREER: Quantum Simulation with Unbounded Operators: Algorithms, Analysis and Applications

ResearchPrincipal Investigator · Awarded by National Science Foundation · 2025 - 2030

Quantum utility through advanced computational quantum algorithms (QUACQ)

ResearchPrincipal Investigator · Awarded by California Institute of Technology · 2024 - 2029

2026 Gene Golub SIAM Summer School

ConferencePrincipal Investigator · Awarded by Society for Industrial and Applied Mathematics · 2025 - 2027

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Education, Training & Certifications


University of Wisconsin, Madison · 2019 Ph.D.

External Links


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