## 朱亦哲 Yizhe Zhu

I obtained Ph.D. in Mathematics from the University of California, San Diego in 2021. My advisor is Ioana Dumitriu. I obtained my Bachelor's degree in Mathematics and Applied Mathematics from Shanghai Jiao Tong University. My CV is here.

**Email:** yiz084[at]ucsd.edu

### Research Interests

I am interested in probability, combinatorics, and their application in data science. I am working on:

Random matrices, random graphs

Random tensors, random hypergraphs

Community detection, tensor completion

### Papers

Deterministic tensor completion with hypergraph expanders, with Kameron Decker Harris,

*SIAM Journal on Mathematics of Data Science, to appear.*Spectra of random regular hypergraphs, with Ioana Dumitriu,

*Electronic Journal of Combinatorics, to appear.*Sparse random tensors: Concentration, regularization and applications, with Zhixin Zhou,

*Electronic Journal of Statistics, 15(1): 2483-2516, 2021.*[journal]Community detection in the sparse hypergraph stochastic block model, with Soumik Pal,

*Random Structures and Algorithms, 2021.*[journal]Asymptotic behavior of a sequence of conditional probability distributions and the canonical ensemble, with Yu-Chen Cheng and Hong Qian,

*Annales Henri Poincaré**, 22, 1561–1627, 2021.*[journal]Eigenvalues of the non-backtracking operator detached from the bulk, with Simon Coste,

*Random Matrices: Theory and Applications, 2020.*[journal]Exact recovery in the hypergraph stochastic block model: A spectral algorithm, with Sam Cole,

*Linear Algebra and its Applications, 593, 45-73, 2020.*[journal]A graphon approach to limiting spectral distributions of Wigner-type matrices,

*Random Structures and Algorithms, 56(1), 251– 279, 2020.*[journal]Sparse general Wigner-type matrices: Local law and eigenvector delocalization, with Ioana Dumitriu,

*Journal of Mathematical Physics, 60(2), 023301, 2019.*[journal]

### Preprints

Global eigenvalue fluctuations of random biregular bipartite graphs, with Ioana Dumitriu,

*submitted, 2020.*On the second eigenvalue of random bipartite biregular graphs,

*submitted, 2020.*