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I am a postdoc in the University of Zurich under the supervision of Prof. Alex Gorodnik. Here is my CV.
I am interested in homogeneous dynamics and its applications to number theory. Recently I started being interested in the geometry of discrete subgroups of Lie groups and what can be said about them using probability theory.
I like operas, long distance running, swimming, biking, and lifting (relatively) heavy weights. Here is my strava account: https://strava.app.link/fcUbTYCfk5b.
I am also an enthusiastic pizza maker for self use.
Papers in preperation:
M. Aka, A. Gorodnik, P. Vishe and Y. Yifrach, "Inhomogeneous $p$-Adic Littlewood"
Publications:
2. G. Lachman, A. Rao, U. Shapira and Y. Yifrach. ``k-Divergent Lattices" Combinatorics and Number Theory, Vol. 13 (2024), No. 3, 207–224 DOI: 10.2140/cnt.2024.13.207.
3. O.N. Solan and Y. Yifrach. ``Tori Approximation of Families of Diagonally Invariant Measures" Geom. Funct. Anal. (2023). 10.1007/s00039-023-00646-7
4. Y. Yifrach. ``The Equidistribution of Grids of Rings of Integers in Number Fields of Degrees 3,4 and 5." Comb. Number Theory (2026) 10.2140/cnt.2026.15.1
5. Y. Yifrach. ``A Note about Weyl Equidistribution Theorem." Monatsh Math 206, 771–780 (2025). https://doi.org/10.1007/s00605-025-02057-2
6. E. Milman and Y. Yifrach. ``Random Sections of Convex Bodies and the Random Quotient-of-Subspace Theorem". J. Func. Anal. 281 (7) 109133, 2021.
Preprints:
7. I. Gekhtman, S. Machado, O. Solan, and Y. Yifrach, ``Applications of Almost Stationarity I: Quantitative Growth of Injectivity Radius and Stuck-Zimmer Theorem", Preprint arXiv: https://arxiv.org/abs/2608.01382 .
8. I. Gekhtman, S. Machado, O. Solan, and Y. Yifrach, ``The structure of almost stationary measures", Preprint arXiv: https://arxiv.org/abs/2608.01466.
9. Y. Yifrach. ``Directional p-Adic Littlewood Conjecture for Algebraic Vectors." Preprint arXiv: https://arxiv.org/abs/2501.04430.
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