Welcome to L’Équipe Z, the research group of Professor ZHANG Zaikun.

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Recent Updates

• Jun 2, 2026 · New preprint — “Non-convergence Analysis of Probabilistic Direct Search”, by HUANG Cunxin and ZHANG Zaikun.

Research Interests

• Theory, algorithms, and software of mathematical optimization, especially
  • derivative-free (zeroth-order) methods
  • randomized methods
  • large-scale problems
  • noisy problems

BDS

Recruitment

L’Équipe Z welcomes motivated students, postdoctoral researchers, and software engineers interested in mathematical optimization. See Professor ZHANG’s recruitment announcement for more information.