Wenqi Zhu
Dphil in Mathematics
Status
Postgraduate Student
Research groups
Address
Mathematical Institute
University of Oxford
Andrew Wiles Building
Radcliffe Observatory Quarter
Woodstock Road
Oxford
OX2 6GG
University of Oxford
Andrew Wiles Building
Radcliffe Observatory Quarter
Woodstock Road
Oxford
OX2 6GG
Major / recent publications
- Wenqi Zhu, Coralia Cartis. Global Convergence of High-Order Regularization Methods with Sums-of-Squares Taylor Models (Link); arXiv:2404.03035 (2024).
- Wenqi Zhu, Coralia Cartis. Cubic-quartic regularization models for solving polynomial subproblems in third-order tensor methods (Link); arXiv:2312.10283 (2023).
- Wenqi Zhu, Coralia Cartis. Second-order methods for quartically-regularised cubic polynomials, with applications to high-order tensor methods; arXiv:2308.15336, mini-symposia in SIAM Optimization 2023 and Optimization 2023, Aveiro (2023).
- Congzheng Liu, Wenqi Zhu. Newsvendor conditional value-at-risk minimisation: A feature-based approach under adaptive data selection; European Journal of Operational Research 313 (2), 548-564 (2023).
- Wenqi Zhu, Coralia Cartis. Quartic polynomial sub-problem solutions in tensor methods for nonconvex optimization; NeurIPS Spotlight Papaer and Presentation for HOO Workshop (2022).
- Wenqi Zhu, Yuji Nakatsukasa. Convergence and near-optimal sampling for multivariate function approximations in irregular domains via vandermonde with arnoldi; In review with IMAJNA (2022), invited mini-symposia talk in 29th Biennial Numerical Analysis Meeting, 2023.
Research interests
- High-order nonconvex optimization
- Tensors methods for nonconvex optimization
- Algorithms on large data sets and randomized algorithms on low-rank approximation
- High-dimensional functional approximation
Prizes, awards, and scholarships
- DPhil in Mathematics Studentships, 2021-2025. Funded by INNOHK and CIMDA Centre partnership
- DTP studentship. Funded by UKRI-BBSRC and the partnership
- Industrial CASE Studentship, 2021-2025. Funded by Syngenta Group
- Catherine Hughes Fund Internship Award, 2021. Funded by Somerville College, Oxford
- M.Sc. Prize for Excellence, 2021. Awarded by MMSC Examining Committee, Oxford.
- Archibald Jackson Prize, 2021. Awarded by Somerville College, Oxford.
- St. Hugh’s College Scholarship, 2011-2014. Awarded by St. Hugh’s College, Oxford.
Teaching
- 2024: Continuous optimization (Class Tutor)
- 2023: Numerical Linear Algebra (Class Tutor)
- 2021-22: C6.1 Numerical Linear Algebra (TA)
- 2021: C6.2 Continuous optimization (TA)
Further details