ALEXANDER Y. GORDON
Contact information:
Department of Mathematics and Statistics, University of North Carolina at Charlotte,
9201 University City Blvd, Charlotte, NC 28223, U.S.A.
Phone: 704-687-4576; Fax: 704-687-6415
E-mail: aygordon@uncc.edu
EDUCATION AND DEGREES
1988 – Ph.D. in Mathematics: Moscow Institute of Electronic Machine Building
(since 1993 – Moscow State Institute of Electronics and Mathematics).
Thesis: “Spectral Properties of Operators Approximable by Periodic Ones and Decay of Gaps for a Bounded Potential” (Prof. S. A. Molchanov supervised the thesis).
1970 – M.S. with High Honors in Mathematics: Moscow State University.
Thesis: “On Linear Conjugation of Homeomorphisms of Compact Spaces”.
Advisors: Prof. E. A. Gorin, Prof. V. Ya. Lin.
POSITIONS HELD OVER THE LAST 15 YEARS
- University of North Carolina at Charlotte, Department of Mathematics and Statistics (Charlotte, NC)
Associate Professor (August, 2012 – present) - University of North Carolina at Charlotte, Department of Mathematics and Statistics (Charlotte, NC)
Assistant Professor (August, 2006 – July 2012) - University of Rochester, Department of Biostatistics and Computational Biology (Rochester, NY)
Assistant Professor (July, 2004 – August, 2006) - University of Rochester, Department of Biostatistics and Computational Biology (Rochester, NY)
Analyst/Programmer lead (December, 2002 – June, 2004) - PDH International, Inc. (Hallandale, FL)
Senior Software Engineer/Research Mathematician (January, 1999 – November, 2002) - UNC-Charlotte, Department of Mathematics (Charlotte, NC)
Visiting Assistant Professor/Lecturer/Visiting Research Assistant Professor
(January, 1995 – December, 1998)
REFEREED ARTICLES
- Gordon, A.Y. (2014) Absence of $l^1$ eigenfunctions for lattice
operators with fast local periodic approximation. – To be published in
Journal of Spectral Theory. - Gordon, A.Y. (2014) New operator inequalities in finite-dimensional
vector spaces. – To be published in Proceedings of the American Mathematical Society. - Gordon, A.Y. (2014) Imperfectly grown periodic medium:
absence of localized states. – To be published in Journal of Spectral Theory. - Gordon, A.Y., Ray, E. (2014) Extendability of eigenvalues for continuous families of self-adjoint operators. – To be published in Applicable Analysis.
Published online: 08 May 2013; DOI:10.1080/00036811.2013.770476 - Gordon, A.Y. Smoothing of stepwise multiple testing procedures. –
Statistics and Probability Letters 87 (2014) pp. 149-157.
DOI: 10.1016/j.spl.2013.12.018 - Gordon, A.Y. A spectral alternative for continuous families of self-adjoint opera-
tors. – Journal of Spectral Theory 3 (2013) pp. 129-145. DOI: 10.4171/JST/40 - Gordon, A.Y. A sharp upper bound for the expected number of false rejections. – Statistics and Probability Letters 82 (2012) pp. 1507-1514.
- Gordon, A.Y. A new optimality property of the Holm step-down procedure. – Statistical Methodology 8 (2011) pp. 129-135.
- Gordon, A.Y. and Quinn, J.E. Iterated conditional expectations. – Journal of Mathematical Analysis and Applications 367 (2010) pp. 699-704. doi:10.1016/j.jmaa.2010.02.001.
- Gordon, A.Y. Inequalities between generalized familywise error rates of a multiple testing procedure. – Statistics and Probability Letters 79 (2009), pp. 1996-2004. doi: 10.1016/j.spl.2009.06.009
- Gordon, A., Chen, L., Glazko, L. and Yakovlev, A. Balancing type one and two errors in multiple testing for differential expression of genes. – Computational statistics and data analysis 53(2009), pp. 1622-1629.
- Gordon, A.Y. On a problem of Borsuk and Ulam. – Proceedings of the American Mathematical Society 137 (2009), pp. 2135-2137.
- Gordon, A.Y. and Salzman, P. Optimality of the Holm procedure among general step-down multiple testing procedures. – Statistics and Probability Letters 78 (2008), pp. 1878-1884.
- Gordon, A., Glazko, G., Qiu, X. and Yakovlev, A. Control of the mean number of false discoveries, Bonferroni, and stability of multiple testing. – The Annals of Applied Statistics 1 (2007), pp. 179-190. DOI: 10.1214/07-AOAS102.
- Xiao, Y., Gordon, A. and Yakovlev, A. A C++ program for the Cramér-von Mises two-sample test. – Journal of Statistical Software 17, issue 8 (2007), 15 p.
- Gordon, A.Y. Explicit formulas for generalized family-wise error rates and unimprovable step-down multiple testing procedures. – Journal of Statistical Planning and Inference 137 (2007), pp. 3497?-3512 (S.N.Roy Centennial Volume); available online at http://dx.doi.org/10.1016/j.jspi.2007.03.027
- Gordon, A.Y. Family-wise error rate of a step-down procedure. – Random Operators and Stochastic Equations 15 (2007), pp. 397-406.
- Gordon, A.Y. Unimprovability of the Bonferroni procedure in the class of general step-up multiple testing procedures. – Statistics and Probability Letters 77 (2007), pp. 117-122; available online at www.sciencedirect.com.
- Gordon, A., Holt, J., Laptev, A. and Molchanov, S. On the Simon-Spencer theorem. – Journal of Mathematical Physics, Analysis, Geometry 4 (2007) pp. 1-14.
- Klebanov, L., Gordon, A., Xiao, Y., Land, H., and Yakovlev, A. A permutation test motivated by microarray data analysis. – Computational Statistics and Data Analysis 50 (2006), pp. 3619-3628.
- Qiu, X., Xiao, Y., Gordon, A., and Yakovlev, A. Assessing stability of gene selection in microarray data analysis. – BMC Bioinformatics 2006 7:50.
- Xiao, Y., Gordon, A. and Yakovlev, A. The -version of the Cramér-von Mises test for two-sample comparisons in microarray data analysis. – EURASIP Journal on Bioinformatics and Systems Biology Volume 2006, Article ID 85769, pp. 1-9. doi:10.1155/BSB/2006/85769.
- Glazko, G., Gordon, A., and Mushegian, A. The choice of optimal distance measure in genome-wide data sets. – Bioinformatics 2005 21: iii3-iii11.
- Dow, A., Ganguli, S., Gordon, A.Y., and Molchanov, S. A problem by E. Landis and generic behavior of non-generic sets. – Applicable Analysis 84 (2005), pp. 927-952.
- Xiao, Y., Frisina, R., Gordon, A.Y., Klebanov, L., and Yakovlev, A. Multivariate search for differentially expressed gene combinations. – BMC Bioinformatics 2004, 5:134.
- Derfel, G., Gordon, A.Y., and Molchanov, S.A. Random matrices over and testing random number generators. – Random Operators and Stochastic Equations 12 (2004), pp. 1-10.
- Figotin, A., Gordon, A.Y., Molchanov, S.A., Quinn, J.E., and Stavrakas, N. Occupancy numbers in testing random number generators. – SIAM Journal of Applied Mathematics 62 (2002), no. 6, pp. 1980-2011.
- Figotin, A., Gordon, A.Y., Molchanov, S.A., Quinn, J.E., and Stavrakas, N. Generalized quantum statistics and testing of randomizers with and without asymptotic assumptions. – Monte Carlo Methods and Applications 7 (2001), pp. 167-176.
- Gordon, A.Y. and Kechris, A.S. Measurable enumeration of eigenelements, – Applicable Analysis, 71 (1999), pp. 41-62.
- Gordon, A.Y. Purely continuous spectrum for generic almost-periodic potential. – Contemporary Mathematics, 217 (1998), pp. 183-189.
- Gordon, A.Y., Jitomirskaya, S., Last, Y., and Simon, B. Duality and singular continuous spectrum in the almost Mathieu equation, Acta Mathematica 178 (1997), pp. 169-183.
- Gordon, A.Y. Instability of dense point spectrum under finite rank perturbations, Communications in Mathematical Physics 187 (1997), pp. 583-595.
- Gordon, A.Y. A fast algorithm for the solution of the inviscid Burgers equation, Vychislitel’naja Seismologija (Computational Seismology) 29, Moscow, 1997, pp. 179-189 (in Russian).
- Gordon, A.Y. Eigenvalues of the one-dimensional Schrédinger operator that are located on its essential spectrum, Algebra i Analiz (Algebra and Analysis) 8, no. 1 (1996), pp. 113-121 (in Russian).
- Gordon, A.Y. Strong unboundedness of unbounded analytic functions, Proceedings of the American Mathematical Society 122 (1994), pp. 525-529.
- Gordon, A.Y. Pure point spectrum under one-parameter perturbations and instability of Anderson localization, Communications in Mathematical Physics 164 (1994), pp. 489-505.
- Gordon, A.Y., Jaksic, V., Molchanov, S.A., and Simon, B. Spectral properties of random Schrédinger operators with unbounded potentials, Communications in Mathematical Physics 157(1993), pp. 23-50.
- Maslov, V.P., Molchanov, S.A., and Gordon, A.Y. Behaviour of generalized eigenfunctions at infinity and the Schrédinger conjecture. Russian Journal of Mathematical Physics 1, no. 1 (1993), pp. 71-104.
- Gordon, A.Y. On exceptional values of boundary phase for Schrédinger equation on the half-axis, Russian Mathematical Surveys 47, no. 1 (1992), pp. 260-261.
- Gordon, A.Y., Molchanov, S. A., and Tzagani, B. Spectral theory of one-dimensional Schrédinger operators with strongly fluctuating potentials, Functional Analysis and its Applications 25, no. 3 (1991), pp. 236-238.
- Gordon, A.Y. A deterministic potential with pure point spectrum, Mathematical Notes 48, no. 5 – 6 (1990), pp. 1197-1203.
- Gordon, A.Y. A sufficient condition for the continuity of the spectrum of a discrete Schrédinger operator, Functional Analysis and its Applications 20, no. 4 (1986), pp. 313-315.
- Gordon, A.Y. An example of an analytic flow on a torus with a mixed spectrum, Theory of Functions, Functional Analysis and their Applications, No. 33, Kharkov Univ. Press, Kharkov, 1980, pp. 40-45 (in Russian). English translation: Selecta Mathematica Sovetica 8, no. 4, pp. 292-298, Birkhéuser Verlag, Basel, 1989.
- Gordon, A.Y. Continuous spectrum of a one-dimensional Schrédinger operator, Functional Analysis and its Applications 13, no. 3 (1979), pp. 218-219.
- Gordon, A.Y. On the point spectrum of one-dimensional Schrédinger operator, Uspehi Matematicheskih Nauk (Russian Mathematical Surveys) 31, no. 4 (1976), pp. 257-258 (in Russian).
- Gordon, A.Y. Sufficient condition for unsolvability of the additive functional homological equation connected with the ergodic rotation of a circle, Functional Analysis and its Applications 9, no. 4 (1975), pp. 334-336.
- Gordon, A.Y. and Levin, B.Y. On the division of quasi-polynomials, Functional Analysis and its Applications 5, no. 1 (1971).
- Gordon, A.Y. The linear conjugation of homeomorphisms of compact spaces, Uspehi Matematicheskih Nauk (Russian Mathematical Surveys) 25, no. 6 (1970) pp. 257-258 (in Russian).
REFEREED BOOK CHAPTERS
- Gordon, A.Y. Multiple testing procedures: monotonicity and some of its implications. – Accepted for publication in the Collections series of the Institute of Mathematical Statistics.
- Gordon, A. and Sonin, I. The expected number of intersections of a four valued bounded martingale with any level may be infinite. – In: Optimality and Risk – Modern Trends in Mathematical Finance (Editors: F. Delbaen et al), Springer-Verlag, Berlin (2009), pp. 87-98. DOI: 10.1007/978-3-642-02608-9_1.
- Gordon, A., Holt, J. and Molchanov, S. Spectral theory of 1-D Schrédinger operators with unbounded potentials. – In: CRM Proceedings and Lecture Notes 42 (2007), pp. 181-198.
- Gordon, A., Molchanov, S. and Quinn, J. Fermi – Dirac generators and tests for randomness. – In: CRM Proceedings and Lecture Notes 42 (2007), pp. 199-224.
- Gordon, A.Y. On the inverse problem of the best approximation by the entire functions of exponential type. – In: “Studies in the theory of functions of several real variables”. – Yaroslavl University Press, Yaroslavl, 1990 (in Russian). – English version in: Lecture Notes in Mathematics 1043 (Linear and Complex Analysis Problem Book), Springer-Verlag, 1984, pp. 592-594.
- Gordon, A.Y., Gorin, E.A., Lin, V.Ya., and Tonev, T.V. On topological conjugation of semi-linear homeomorphisms. – In: “Studies in the theory of functions of several real variables”, Yaroslavl University Press, Yaroslavl, 1980, pp. 63-83 (in Russian; review 84j:54028 in Mathematical Reviews).
- Gordon, A.Y. An algorithm for the solution of the minimax scheduling problem. – In: “Studies in Discrete Optimization”, Moscow, “Nauka”, 1976, pp. 327-333 (in Russian).
PATENT
US Patent No. US 6,745,217 B2 (awarded June 1, 2004)
“Random number generator based on the spontaneous alpha-decay”
(A. Figotin, I. Vitebskiy, V. Popovich, G. Stetsenko, S. Molchanov, A. Gordon, J. Quinn, N. Stavrakas)
RECENT CONFERENCE TALKS
- 35th Conference of SIAM-SEAS (Society for Industrial and Applied Mathematics, Southeastern Atlantic Section), Charlotte, NC, March 26-27, 2011. “A class of random operators with continuous spectra” (contributed talk).
- Central Section Meeting of AMS (American Mathematical Society), Iowa City, IA, March 18-20, 2011. “On the Simon-Spencer Theorem” (contributed talk). This was a joint research with J.Holt, A.Laptev and S.Molchanov.
- Annual meeting of WNAR (Western North American Region of the International Biometric Society), Seattle, WA, June 20-23, 2010. “Expected number of false discoveries for stepwise procedures” (contributed talk).
- Joint Statistical Meeting, Washington, DC, August 2-6, 2009. “A new optimality property of the Holm procedure” (contributed talk in Biometrics section).
- Statistical Modeling for Biological Systems, Rochester, NY, June 8-9, 2009. “Monotone multiple testing procedures” (invited talk).
- Joint Statistical Meeting, Denver, TX, August 2-7, 2008. “Monotone multiple testing procedures and implications of monotonicity” (contributed talk in Biometrics section).
- Joint Statistical Meeting, Salt Lake City, UT, July 29 – August 2, 2007. “Exonerating Bonferroni’s multiple testing procedure” (contributed talk in Biometrics section). This was a joint research with G. Glazko, X. Qiu and A. Yakovlev.
- Annual meeting of WNAR (Western North American Region of the International Biometric Society), Irvine, CA, June 24-27, 2007. “Multiple testing procedures and their generalized family-wise error rates” (contributed talk).
- Joint Statistical Meeting, Minneapolis, MN, August 6-11, 2005. “Generalized family-wise error rates for threshold step-down multiple testing procedures” (contributed talk in Biometrics section).
- Conference “Probability and Mathematical Physics”, CRM, Université de Montréal, Montréal, June 27 – July 1, 2005. “Cantor spectrum for a generic almost periodic operator with given frequencies” (invited talk).
- Annual meeting of ENAR (Eastern North American Region of the International Biometric Society), Austin, TX, March 20-23, 2005. “-value-only-based stepwise procedures for multiple testing and their optimality properties” (contributed talk).
RECENT COLLOQUIUM TALKS
- Seminar in Mathematical Physics, University of California at Irvine, June 28, 2007. “Iterated conditional expectations”.
- Seminar in Mathematical Physics, Rice University, Houston, TX, February 23, 2007. “A spectral alternative for continuous families of self-adjoint operators”.
- Seminar in Mathematical Physics, University of California at Irvine, June 19, 2006. “Genericity of Cantor spectrum for almost periodic operators”.
MEMBERSHIP IN A HONORARY SCIENTIFIC ASSOCIATION
– International Association of Mathematical Physics
MEMBERSHIP IN OTHER PROFESSIONAL ASSOCIATIONS
– Institute of Mathematical Statistics
– American Mathematical Society
– Mathematical Association of America
EDITORIAL BOARD MEMBERSHIP
– “Biology Direct”
TEACHING
- Spring 2011
MATH2241-003 (Calculus III)
MATH2241-090 (Calculus III)
- Fall 2010
MATH2241-005 (Calculus III)
MATH2241-006 (Calculus III)
- Spring 2010
MATH2241-004 (Calculus III)
MATH2241-090 (Calculus III)
- Fall 2009
MATH2241-005 (Calculus III)
MATH3122/STAT3122-090 (Probability and Statistics I)
- Spring 2009
MATH2241-004 (Calculus III)
MATH7141/MATH8141-090 (Complex Analysis – graduate course)
- Fall 2008
MATH2241-005 (Calculus III)
MATH3122/STAT3122-090 (Probability and Statistics I)
- Spring 2008
MATH2241-004 (Calculus III)
MATH2242-090 (Calculus IV)
- Fall 2007
MATH2241-004 (Calculus III)
MATH2241-090 (Calculus III)
- Spring 2007
MATH2242-001 (Calculus IV)
MATH2242-090 (Calculus IV)
- Fall 2006
STAT5126-001 (Theory of statistics I – graduate course)
WORK IN PROGRESS
- Gordon, A.Y., Molchanov, S., Sonin, I. The shift and index inequalities and their properties. – Under review.
- Gordon, A.Y. A sharp upper bound for the expected number of false discoveries in microarray data analysis. – In preparation.
- Gordon, A.Y., Holt, J., Laptev, A., Molchanov, S. Generalized Simon – Spencer theorem. – In preparation.
- Gordon, A.Y., Molchanov, S. The limit behavior on the real line of Hilbert transforms of discrete approximations to a measure. – In preparation.
Listed below are some of those projects on which I worked over the last few years and which are most likely to become papers in the near future.
- Gordon, A.Y. Multiple testing procedures: some general notions and their applications.
- Gordon, A.Y. Smoothing of stepwise multiple testing procedures.
- Gordon, A.Y. Familywise error rate of a step-up-down procedure.
- Gordon, A.Y. Unsolvable homological equations on the circle.
- Gordon, A.Y. The Borsuk – Ulam problem on a general compact manifold.