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USD 250 /hr
Hire Dr. Joshua C.
United States
USD 250 /hr

Experienced mathematician & data scientist, specializing in ML, stochastic processes, combinatorial algorithms, and NLP.

Profile Summary
Subject Matter Expertise
Services
Work Experience

AtomBeam, LLC

Chief Scientist

March 2018 - Present

Professor

University of South Carolina

December 2016 - Present

Chief Data Scientist

BehaviorMatrix

August 2012 - August 2017

Education

Doctor of Philosophy (Ph.D.) -Mathematics and Computer Science

University of California, San Diego

August 1999 - June 2003

PhD (Mathematics)

University of California San Diego

September 1999 - May 2003

BS (Mathematics)

Massachusetts Institute of Technology

September 1995 - May 1999

BS (Mathematics, Linguistics)

Massachusetts Institute of Technology

August 1995 - December 1998

Certifications
  • Certification details not provided.
Publications
JOURNAL ARTICLE
Cooper, J., Rorabaugh, D.(2018). Density dichotomy in random words . Contributions to Discrete Mathematics. 13. (1). p. 120-135.
Li, W., Cooper, J., Chang, A.(2017). Analytic connectivity of k-uniform hypergraphs . Linear and Multilinear Algebra. 65. (6). p. 1247-1259.
Cooper, J., Swifton, A.(2017). Throwing a ball as far as possible, revisited . American Mathematical Monthly. 124. (10). p. 955-959.
Cooper, J., Davis, J.(2016). Successful pressing sequences for a bicolored graph and binary matrices . Linear Algebra and Its Applications. 490. p. 162-173.
Cooper, J., Kirkpatrick, A.(2016). The complexity of counting poset and permutation patterns . Australasian Journal of Combinatorics. 64. (1). p. 154-165.
Cooper, J., Rorabaugh, D.(2016). Asymptotic density of zimin words . Discrete Mathematics and Theoretical Computer Science. 18. (3).
Bahls, P., Cooper, J., Godbole, A.P., Poznanović, S.(2016). The twelfth international conference on permutation patterns, 2014 . Australasian Journal of Combinatorics. 64. (1). p. 1-2.
Cooper, J., Dutle, A.(2015). Computing hypermatrix spectra with the Poisson product formula . Linear and Multilinear Algebra. 63. (5). p. 956-970.
Cooper, J., Kirkpatrick, A.(2014). Critical sets for Sudoku and general graph colorings . Discrete Mathematics. 315-316. (1). p. 112-119.
Beeler, K.E., Berenhaut, K.S., Cooper, J.N., Hunter, M.N., Barr, P.S.(2014). Deterministic walks with choice . Discrete Applied Mathematics. 162. p. 100-107.
Brualdi, R.A., Cooper, J.(2014). Note on the spectral radius of alternating sign matrices . Linear Algebra and Its Applications. 442. p. 99-105.
Cooper, J., Heitsch, C.E.(2013). Generalized Fibonacci recurrences and the lex-least de Bruijn sequence . Advances in Applied Mathematics. 50. (4). p. 465-473.
Cooper, J., Lundberg, E., Nagle, B.(2013). Generalized pattern frequency in large permutations . Electronic Journal of Combinatorics. 20. (1). p. 1-15.
Cooper, J., Dutle, A.(2013). Greedy Galois games . American Mathematical Monthly. 120. (5). p. 441-451.
Cooper, J.(2013). Bioterrorism and the fermi paradox . International Journal of Astrobiology. 12. (2). p. 144-148.
Cooper, J.N., Riasanovsky, A.W.N.(2013). On the reciprocal of the binary generating function for the sum of divisors . Journal of Integer Sequences. 16. (1).
Cooper, J., Dutle, A.(2012). Spectra of uniform hypergraphs . Linear Algebra and Its Applications. 436. (9). p. 3268-3292.
Cooper, J., Cooper, J., Lenz, J., Le Saulnier, T.D., Wenger, P.S., West, D.B.(2012). Uniquely C<inf>4</inf>-Saturated Graphs . Graphs and Combinatorics. 28. (2). p. 189-197.
Cooper, J., Lu, L.(2011). Graphs with asymptotically invariant degree sequences under restriction . Internet Mathematics. 7. (1). p. 67-80.
Cooper, J., Fenner, S., Purewal, S.(2011). Monochromatic boxes in colored grids . SIAM Journal on Discrete Mathematics. 25. (3). p. 1054-1068.
Cooper, J., Heitsch, C.(2010). The discrepancy of the lex-least de Bruijn sequence . Discrete Mathematics. 310. (6-7). p. 1152-1159.
Cooper, J., Walters, M.(2010). Iterated point-line configurations grow doubly-exponentially . Discrete and Computational Geometry. 43. (3). p. 554-562.
Cooper, J., Doerr, B., Friedrich, T., Spencer, J.(2010). Deterministic random walks on regular trees . Random Structures and Algorithms. 37. (3). p. 353-366.
Cooper, J., Doerr, B., Friedrich, T., Spencer, J.(2007). Deterministic Random Walks on Regular Trees . Electronic Notes in Discrete Mathematics. 29. (SPEC. ISS.). p. 509-513.
Cooper, J., Doerr, B., Cooper, J., Doerr, B., Spencer, J., Tardos, G.(2007). Deterministic random walks on the integers . European Journal of Combinatorics. 28. (8). p. 2072-2090.
Cooper, J.N., Spencer, J.(2006). Simulating a random walk with constant error . Combinatorics Probability and Computing. 15. (6). p. 815-822.
Cooper, J.N.(2006). A permutation Regularity Lemma . Electronic Journal of Combinatorics. 13. (1 R). p. 1-20.
Cooper, J.N.(2006). Continued fractions with partial quotients bounded in average . Fibonacci Quarterly. 44. (4). p. 297-301.
Cooper, J.N.(2005). Quasirandom arithmetic permutations . Journal of Number Theory. 114. (1). p. 153-169.
Cooper, J.N., Solymosi, J.(2005). Collinear points in permutations . Annals of Combinatorics. 9. (2). p. 169-175.
Chung, F., Cooper, J.N.(2004). De bruijn cycles for covering codes . Random Structures and Algorithms. 25. (4). p. 421-431.
Cooper, J.N.(2004). Quasirandom permutations . Journal of Combinatorial Theory. Series A. 106. (1). p. 123-143.
Cooper, J.N., Ellis, R.B., Kahng, A.B.(2003). Erratum: "Asymmetric binary covering codes" (Journal of Combinatorial Theory, Series A (2002) vol. 100 (232-249)) . Journal of Combinatorial Theory. Series A. 102. (2). p. 451.
Cooper, J.N., Ellis, R.B., Kahng, A.B., Cooper, J.N., Ellis, R.B., Kahng, A.B.(2002). Asymmetric binary covering codes . Journal of Combinatorial Theory. Series A. 100. (2). p. 232-249.
CONFERENCE PAPER
Cooper, J., Doerr, B., Friedrich, T., Spencer, J.(2008). Deterministic random walks on regular trees . Proceedings of the Annual ACM-SIAM Symposium on Discrete Algorithms. p. 766-772.
Cooper, J., Doerr, B., Spencer, J., Tardos, G.(2006). Deterministic random walks . Proceedings of the 8th Workshop on Algorithm Engineering and Experiments and the 3rd Workshop on Analytic Algorithms and Combinatorics. 2006. p. 185-197.