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Nick Anderson

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An image of Nick and a little boy

I am an assistant professor at BYU. From 2016 to 2019 I was an assistant adjunct professor (postdoc) at UCLA. During the Spring semester 2017 I was a postdoctoral research associate at MSRI in the Analytic Number Theory program. I received my PhD in 2016 from UIUC under the direction of Scott Ahlgren. I completed my BS in mathematics with a minor in physics in 2011 at BYU.

My research interests are in number theory. I am particularly interested in arithmetic aspects of automorphic forms and their relation to (in no particular order) invariants of quadratic number fields, hyperbolic geodesics, class numbers, L-functions, and additive number theory.
Here is my CV.

Contact:
nick [at] math [dot] byu [dot] edu
Office 328 TMCB

Selected Papers

  • Asymptotic distribution of traces of singular moduli (with W. Duke)
    submitted. [arxiv]
  • Zeros of GL2 L-functions on the critical line (with J. Thorner)
    Forum Math., to appear. [arxiv]
  • On a theorem of Davenport and Schmidt (with W. Duke)
    Acta Arith., to appear. [arxiv]
  • The Minkowski Chain and Diophantine approximation (with W. Duke)
    J. Theor. Nombres Bordeaux, to appear. [arxiv]
  • Modular invariants for real quadratic fields and Kloosterman sums (with W. Duke)
    Algebra & Number Theory, to appear. [arxiv]
  • Markov spectra for modular billiards (with W. Duke)
    Math. Annalen 373 (2019), no. 3-4, 1151-1175. [arxiv] [journal]
  • Level reciprocity in the twisted second moment of Rankin-Selberg L-functions (with E. M. Kiral)
    Mathematika 64 (2018), no. 3, 770-784. [arxiv] [journal]
  • Shifted polyharmonic Maass forms for PSL(2,Z) (with J. Lagarias and R. Rhoades)
    Acta Arith. 185 (2018), 39-79. [arxiv] [journal]
  • A polyharmonic Maass form of depth 3/2 for SL2(Z) (with S. Ahlgren and D. Samart)
    J. Math. Anal. Appl. 468 (2018), no. 2, 1018-1042. [arxiv] [journal]
  • Vector-valued modular forms and the mock theta conjectures
    Res. Number Theory (2016) 2:32. [arxiv] [journal]
  • Kloosterman sums and Maass cusp forms of half integral weight for the modular group (with S. Ahlgren)
    Int. Math. Res. Notices, rnw234 (2016), 1-79. [arxiv] [journal]
  • Algebraic and transcendental formulas for the smallest parts function (with S. Ahlgren)
    Adv. Math. 289 (2016) 411-437. [arxiv] [journal]
  • Singular invariants and coefficients of weak harmonic Maass forms of weight 5/2
    Forum Math. 29 (2017), no. 1, 7-29. [arxiv] [journal]
  • Periods of the j-function along infinite geodesics and mock modular forms
    Bull. Lond. Math. Soc. 47 (2015), 407-415. [arxiv] [journal]
  • Classification of congruences for mock theta functions and weakly holomorphic modular forms
    Q. J. Math. (2014) 65 (3): 781-805. [arxiv] [journal]

You can find a complete list of papers here.

Teaching

In Winter 2020 I am teaching Math 290: Fundamentals of Mathematics and Math 371: Introduction to Abstract Algebra. I am also supervising a Python programming lab [Fall Labs] [Winter Labs] See the teaching page for my previous teaching.

Papers

  1. Non-convex geometry of numbers and continued fractions
    with W. Duke, Z. Hacking, and A. Woodall, submitted. [arxiv]
  2. Asymptotic distribution of traces of singular moduli
    with W. Duke, submitted. [arxiv]
  3. Odd, spoof perfect factorizations
    with the BYU Computational Number Theory Group, J. Number Theory, to appear. [arxiv]
  4. Zeros of GL2 L-functions on the critical line
    with J. Thorner, Forum Math., to appear. [arxiv]
  5. On a theorem of Davenport and Schmidt
    with W. Duke, Acta Arith., to appear. [arxiv]
  6. The Minkowski chain and Diophantine approximation
    with W. Duke, J. Theor. Nombres Bordeaux, to appear. [arxiv]
  7. Modular invariants for real quadratic fields and Kloosterman sums
    with W. Duke, Algebra & Number Theory, to appear. [arxiv]
  8. Markov spectra for modular billiards
    with W. Duke, Math. Annalen 373 (2019), no. 3-4, 1151-1175. [arxiv] [journal]
  9. Level reciprocity in the twisted second moment of Rankin-Selberg L-functions
    with E. M. Kiral, Mathematika 64 (2018), no. 3, 770-784. [arxiv] [journal]
  10. Shifted polyharmonic Maass forms for PSL(2,Z)
    with J. Lagarias and R. Rhoades, Acta Arith. 185 (2018), 39-79. [arxiv] [journal]
  11. A polyharmonic Maass form of depth 3/2 for SL2(Z)
    with S. Ahlgren and D. Samart, J. Math. Anal. Appl. 468 (2018), no. 2, 1018-1042. [arxiv] [journal]
  12. Images of Maass-Poincare series in the lower half-plane
    with K. Bringmann and L. Rolen, L-functions and automorphic forms, Contrib. in Math. and Comp. Science 10, Springer 2017. [arxiv] [book]
  13. Vector-valued modular forms and the seventh order mock theta functions
    Analytic number theory, modular forms and q-hypergeometric series, 11-23, Springer Proc. Math. Stat., 221, Springer, Cham, 2017. [pdf] [book]
  14. Vector-valued modular forms and the mock theta conjectures
    Res. Number Theory (2016) 2:32. [arxiv] [journal]
  15. Kloosterman sums and Maass cusp forms of half integral weight for the modular group
    with S. Ahlgren, Int. Math. Res. Notices, rnw234 (2016), 1-79. [arxiv] [journal]
  16. Algebraic and transcendental formulas for the smallest parts function
    with S. Ahlgren, Adv. Math. 289 (2016) 411-437. [arxiv] [journal]
  17. Singular invariants and coefficients of weak harmonic Maass forms of weight 5/2
    Forum Math. 29 (2017), no. 1, 7-29. [arxiv] [journal]
  18. Periods of the j-function along infinite geodesics and mock modular forms
    Bull. Lond. Math. Soc. 47 (2015), 407-415. [arxiv] [journal]
  19. Euler-like recurrences for smallest parts functions
    with S. Ahlgren, Ramanujan J. 36 (2015), special issue in memory of Basil Gordon, 237-248. [arxiv] [journal]
  20. Weak harmonic Maass forms of weight 5/2 and a mock modular form for the partition function
    with S. Ahlgren, Res. Number Theory (2015) 1:10. [arxiv] [journal]
  21. Classification of congruences for mock theta functions and weakly holomorphic modular forms
    Q. J. Math. (2014) 65 (3): 781-805. [arxiv] [journal]
  22. Hecke grids and congruences for weakly holomorphic modular forms
    with S. Ahlgren, Contemp. Math. 627 (2014). [arxiv] [book]
  23. Effective congruences for mock theta functions
    with H. Friedlander, J. Fuller, H. Goodson, Mathematics (2013), 1, 100-110. [arxiv]
  24. Hecke-type congruences for two smallest parts functions
    Int. J. Number Theory, 09, 713-728 (2013). [arxiv] [journal]
  25. Divisibility properties of coefficients of level p modular functions for genus zero primes
    with P. Jenkins, Proc. Amer. Math. Soc. 141 (2013), 41-53. [arxiv] [journal]

If you would like to see my thesis, here it is, but I recommend that you look at the individual papers instead (8, 9, 11, and 12 above).

Awards and Honors

  • National Science Foundation Grant, 2017-2021, DMS-1701638 (co-PI with W. Duke)
  • Plenary speaker at PANTS XXVIII (2017)
  • Plenary speaker at TORA VII (2016)
  • 2016 Bateman Prize (excellence in number theory research)
  • Dissertation Completion Fellowship (2015-2016)
  • 2015 Bateman Fellowship (excellence in number theory research)
  • 2014-2016 Illinois ARCS Scholar (research grant)
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Current Teaching

Winter 2021: Math 487 (Number Theory) and Math 371 (Introduction to Abstract Algebra)UIUC TA teaching awards committee (2015-2016)

Previous Teaching

Fall 2020 (UCLA): Math 290 (Fundamentals of Mathematics) and Math 113 (Calculus II)

Winter 2020 (UCLA): Math 290 (Fundamentals of Mathematics) and Math 371 (Introduction to Abstract Algebra)

Fall 2019 (UCLA): Math 290 (Fundamentals of Mathematics)

Spring 2019 (UCLA): Math 32B (Multivariable Calculus) and Math 33A (Linear Algebra)

Fall 2018 (UCLA): Math 205A (Analytic Number Theory) and Math 31B (Integration and Infinite Series)

Summer 2018 (UCLA): Boot Camp: Linear Algebra for incoming graduate students

Spring 2018 (UCLA): Math 132 (Complex Analysis) and Math 32A (Multivariable Calculus)

Winter 2018 (UCLA): Math 3B (Calculus for Life Sciences)

Fall 2017 (UCLA): Math 131A (Real Analysis) and Math 33B (Differential Equations)

Fall 2016 (UCLA): Math 31B (Integration and Infinite Series)

Fall 2014 (UIUC): Math 220 (Calculus I) - full instructor

Spring 2013 (UIUC): Math 220 (Merit Calculus I) - TA

Fall 2012 (UIUC): Math 241 (Merit Calculus III) - TA

Spring 2012 (UIUC): Math 241 (Merit Calculus III) - TA

Fall 2011 (UIUC): Math 221 (Calculus I) - TA

Awards and Honors

  • UCLA Distinguished Teaching Award (2018)
  • UIUC Campus Award for Excellence in Undergraduate Teaching (2016)
  • UIUC College of LAS Award for Excellence in Undergraduate Teaching (2016)
  • UIUC Mathematics Departmental TA Instructional Award (2015)
  • UIUC List of teachers ranked as excellent by their students (every semester in which I taught)
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