faculty member

Prof.
Dani Kotlar 
Associate Professor
 Computer Science  B.Sc. Program
 0527495214
 dannykot@telhai.ac.il

Combinatorics and Graph Theory, Cryptography, Programming

I received my B.Sc. (1986) and M.Sc. (1987) in mathematics from the Technion, and my Ph.D. in Mathematics from the University of Oregon (1992). I have been a faculty member at TelHai College since 1996

Combinatorics and Graph Theory, Extremal problems Matroid Theory

Introduction to Computer Science (Python)
Logic in Computer Science
Programming in C#
Introduction to Cryptography

 D. Kotlar, E. Roda and R. Ziv, On sequential basis exchange in matroids, under review
 R. Stones, R. Falcon, D. Kotlar, T. Marbach, Computing autotopism groups of partial Latin rectangles, J. Experimental Algorithmics, to appear (2020).
 R. Stones, R. Falcon, D. Kotlar, T. Marbach, Computing autotopism groups of partial Latin rectangles: a pilot study, Computational and Mathematical Methods, https://doi.org/10.1002/cmm4.1094 (2020).
 E. Danan, R. Falcon, D. Kotlar, T. Marbach, R. Stones, Refining invariants for computing autotopism groups of partial Latin rectangles, Discrete Mathematics 343 (5) (2020).
 R. Aharoni, E. Berger, D. Kotlar and R. Ziv, Degree conditions for matchability in 3partite hypergraphs, Journal of Graph Theory 87 (1) 6171 (2018).
 R. Aharoni, D. Kotlar, R. Ziv, Uniqueness of the extreme cases in theorems of Drisko and ErdősGinzburgZiv, European J. Combin. 67, 222229 (2018).
 R. Aharoni, D. Kotlar, R. Ziv, Representation of large matchings in bipartite graphs, SIAM Journal of Discrete Mathematics. 31(3) 1726–1731 (2017).
 R. Aharoni, E. Berger, D. Kotlar, R. Ziv, Fair representation in the intersection of two matroids, Elec. J. Combinatorics. 24(4) (2017).
 R. Aharoni, N. Alon, E. Berger, M. Chudnovsky, D. Kotlar, M. Loebl, R. Ziv, Fair representation by independent sets, to appear in "A Journey Through Discrete Mathematics: A Tribute to Jiří Matoušek", 2017.
 D. Kotlar and R. Ziv, Decomposition of bicolored square arrays into bichromatic diagonals. Journal of Combinatorial Designs, Vol 24 (11 Nov.) (2016) pp 487 494.
 R. Aharoni, E. Berger, D. Kotlar, R. Ziv, On a conjecture of Stein, Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg, pp 19, Halin Volume, 4 January 2017.
 R. Aharoni, D. Kotlar, R. Ziv, "Rainbow sets in the intersection of two matroids". Journal of Combinatorial Theory, Series B. 118, 129136 (2016).
 D. Kotlar, Distance magic labeling in complete 4partite graphs. Graphs and Combinatorics. 32(3), 10271038 (2016)
 D. Kotlar and R. Ziv, Rainbow sets in the intersection of two matroids: A generalization of results of Drisko and Chappell. Discrete Mathematics. 338(5), 695697 (2015).
 D. Kotlar, "Computing the autotopy group of a Latin square by cycle structure", Discrete Mathematics. 331, 7482 (2014).
 R. Aharoni, D. Kotlar, "A Weak Version of Rota's Basis Conjecture for Odd Dimensions. SIAM J. Discrete Math., 28(1), 385–393 (2014)
 D. Kotlar and R. Ziv, Large matchings in bipartite graphs have a rainbow matching. European Journal of Combinatorics. Vol. 38, 97101 (2014).
 D. Kotlar, " On circuits and serial symmetric basisexchange in matroids", SIAM Journal on Discrete Mathematics. Vol. 27 (3), 12741286 (2013).
 D. Kotlar, R. Ziv, “On Serial Symmetric Exchanges of Matroid Bases”, Journal of Graph Theory 73(3) 296304 (2013)
 D. Kotlar, "On extensions of the AlonTarsi Latin Square Conjecture", Elec. J. Combinatorics, volume 19(4) (2012)
 D. Kotlar, "Parity Types, Cycle Structures and Autotopisms of Latin Squares", Elec. J. Combinatorics, volume 19(3) (2012)
 D. Kotlar, R. Ziv, “On the Length of a Partial Independent Transversal in a Matroidal Latin Square”, Elec. J. Combinatorics, volume 19(2) (2012)
 D. Kotlar, Y. Lavner, Codon bias and translation selection in the human genome. BMC Genomics 7:67 , (2006)
 D. Kotlar, R. Ziv, “On partitioning two matroids into common independent subsets”, Discrete Mathematics 300 239244 (2005).
 Y. Lavner, D. Kotlar, Codon bias as a factor in regulating expression in the human genome. Gene 345 127138 (2005).
 D. Kotlar, Y. Lavner, “Gene prediction by spectral rotation (SR) measure – a new method for identifying proteincoding regions”, Genome Research 13, 8: 19301937 (2003).
 D. Kotlar. The Regular Irreducible Components of Induced Cuspidal Characters, Journal of Algebra, 174, 729748 (1995).
 D. Kotlar. On the Irreducible Components of Degenerate GelfandGraev Characters, Journal of Algebra 173, 348360 (1995).
 D. Kotlar, M. Schacher, J. Sonn. Double Covers of Symmetric Groups as Galois Groups over Number Fields. Journal of Algebra 125, 8399 (1989).