Publications and accepted manuscripts

All works are available on my arXiv page. Below they are sorted by chronological arXiv appearance. Journal versions typically match arXiv versions.
  1. A polynomial analogue of Landau's theorem and related problems
    O. Gorodetsky, Mathematika 63 (2017), no. 2, 622-665.
    Journal arXiv

  2. On certain degenerate Whittaker Models for cuspidal representations of GLk.n(Fq)
    O. Gorodetsky, Z. Hazan, Math. Z. 291 (2019), no. 1-2, 609-633.
    Journal arXiv

  3. Roots of Polynomials and the Derangement Problem
    L. Bary-Soroker, O. Gorodetsky, Amer. Math. Monthly 125 (2018), no. 10, 934-938.
    Journal arXiv

  4. q-Congruences, with applications to supercongruences and the cyclic sieving phenomenon
    O. Gorodetsky, Int. J. Number Theory 15 (2019), no. 9, 1919-1968.
    Journal arXiv

  5. Irreducible polynomials over F2r with three prescribed coefficients
    O. Gorodetsky, Finite Fields Appl. 56 (2019), 150-187.
    Journal arXiv

  6. Mean values of arithmetic functions in short intervals and in arithmetic progressions in the large-degree limit
    O. Gorodetsky, Mathematika 66 (2020), no. 2, 373–394.
    Journal arXiv

  7. The variance of the number of sums of two squares in Fq[T] in short intervals
    O. Gorodetsky, B. Rodgers, Amer. J. Math. 143 (2021), no. 6, 1703-1745.
    Journal arXiv

  8. Chebotarev density theorem in short intervals for extensions of Fq(T)
    L. Bary-Soroker, O. Gorodetsky, T. Karidi, W. Sawin, Trans. Amer. Math. Soc. 373 (2020), 597-628.
    Journal arXiv

  9. Correlation of arithmetic functions over Fq[T]
    O. Gorodetsky, W. Sawin, Math. Ann. 376 (2020), no. 3-4, 1059-1106.
    Journal arXiv

  10. Multiplicative arithmetic functions and the generalized Ewens measure
    D. Elboim, O. Gorodetsky, Israel J. Math. 262 (2024), no. 1, 143–189.
    Journal arXiv

  11. Traces of powers of matrices over finite fields
    O. Gorodetsky, B. Rodgers, Trans. Amer. Math. Soc. 374 (2021), 4579-4638.
    Journal arXiv

  12. On the variance of squarefree integers in short intervals and arithmetic progressions
    O. Gorodetsky, K. Matomäki, M. Radziwiłł, B. Rodgers, Geom. Funct. Anal. 31 (2021), no. 1, 111-149.
    Journal arXiv

  13. Uniform estimates for almost primes over finite fields
    D. Elboim, O. Gorodetsky, Proc. Amer. Math. Soc. 150 (2022), 2807-2822.
    Journal arXiv

  14. New representations for all sporadic Apéry-like sequences, with applications to congruences
    O. Gorodetsky, Exp. Math. 32 (2023), no. 4, 641-656.
    Journal arXiv

  15. Sums of two squares are strongly biased towards quadratic residues
    O. Gorodetsky, Algebra & Number Theory 17 (2023), no. 3, 775-804.
    Journal arXiv

  16. Squarefrees are Gaussian in short intervals
    O. Gorodetsky, A. P. Mangerel, B. Rodgers, J. Reine Angew. Math. (Crelle's journal) 795 (2023), 1-44.
    Journal arXiv

  17. Uniform estimates for smooth polynomials over finite fields
    O. Gorodetsky, Discrete Anal. (2023), Paper No. 16, 31 pp.
    Journal arXiv

  18. Smooth integers and the Dickman ρ function
    O. Gorodetsky, J. Anal. Math. 151 (2023), no. 1, 139-169.
    Journal arXiv

  19. Smooth integers and de Bruijn's approximation Λ
    O. Gorodetsky, appeared online in Proc. Roy. Soc. Edinburgh Sect. A.
    Journal arXiv

  20. Magic squares, the symmetric group and Möbius randomness
    O. Gorodetsky, Monatsh. Math. 204 (2024), no. 1, 27-46.
    Journal arXiv

  21. Equidistribution of high traces of random matrices over finite fields and cancellation in character sums of high conductor
    O. Gorodetsky, V. Kovaleva, Bull. Lond. Math. Soc. 56 (2024), no. 7, 2315-2337.
    Journal arXiv

  22. On an Erdős–Kac-type conjecture of Elliott
    O. Gorodetsky, L. Grimmelt, Q. J. Math. 75 (2024), no. 2, 695-713.
    Journal arXiv

  23. The variance of integers without small prime factors in short intervals
    O. Gorodetsky, Math. Z. 308 (2024), no. 4, Paper No. 59.
    Journal arXiv

  24. On Erdős sums of almost primes
    O. Gorodetsky, J. D. Lichtman, M. D. Wong, to appear in Comptes Rendus Mathematique.
    arXiv

  25. Smooth permutations and polynomials revisited
    O. Gorodetsky, to appear in Mathematical Proceedings of the Cambridge Philosophical Society.
    arXiv

Preprints

  1. A short proof of Helson's conjecture
    O. Gorodetsky, M. D. Wong, submitted.
    arXiv

  2. Martingale central limit theorem for random multiplicative functions
    O. Gorodetsky, M. D. Wong, submitted.
    arXiv

  3. Sharp local estimates for smooth numbers
    O. Gorodetsky, submitted (available upon request).

PhD Thesis

    The variance of sums of arithmetic functions
    Tel Aviv University Theses (Local copy)

Comments

  1. Paper no. 2 supersedes arXiv preprint 1611.06502. In Theorem 1 of paper no. 2 as stated, we should assume ϴ restricted to Fn* is regular (in addition to ϴ being regular). The theorem is true for all other regular ϴ if it is interpreted as equality of virtual characters.
  2. Here you can find combinatorial questions related to paper no. 4.
  3. Here you can find the SageMath code that generates the graphs presented in the paper no. 7. The function generate_all_graphs() generates the various graphs, but one first must run the MATLAB files 1 and 2 in the same folder.
  4. In subsection 3.4 of paper no. 14, it is mentioned that empirically, two symmetric Laurent polynomials given explicitly in that subsection, have certain constant term series (coinciding with the generating functions of sequences known as s18 and (γ)). This empirical observation has since been verified rigorously using the HolonomicFunctions Mathematica package.
  5. Here you can find unpolished notes from a talk, based mostly on paper no. 18 (on smooth integers and the Dickman function).
  6. At this link you will find slides and recording of a talk, based mostly on papers no. 17 and no. 19 (on smooth integers and polynomials via the indirect saddle point method).

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