Department Chair

  • Edwin Rogers, Ph.D.
    Professor of Mathematics
    Roger Bacon Hall 444
    (518) 783-2392
    rogers@siena.edu

Dr. Mohammad Javaheri

Email: mjavaheri@siena.edu
Office: Roger Bacon Hall 448
Phone: (518) 783-4201

Personal Website

Education

B.S., Mathematics, 1999, Sharif University of Technology, Iran

Ph.D., Mathematics, 2005, Stony Brook University, Stony Brook, NY

Courses Taught

  • Mathematical Problem Solving
  • Calculus I, II, and III
  • Foundations of Mathematics
  • Euclidean and Non-Euclidean Geometry
  • Differential Equations
  • Linear Algebra
  • Real Analysis
  • Complex Analysis
  • Discrete Mathematics
  • Statistics

Research Interests

Differential Geometry, Dynamical Systems, Number Theory.

Recent Publications

  1. Maximally transitive semigroups of nxn matrices, J. Math. Anal. Appl. 401 (2013) 743--753.
  2. A Collatz-type conjecture on the set of rational numbers, J. Number Theory 132 (2012), no. 11, 2582--2594.
  3. Dense 2-generator subsemigroups of 2x2 matrices, J. Math. Anal. Appl. 387 (2012) 103--113.
  4. Semigroups of matrices with dense orbits, Dyn. Syst. 26 (3) (2011), 235--243.
  5. Topologically transitive semigroup actions of real linear fractional transformations, J. Math. Anal. Appl. 368 (2010), 587--603.
  6. Rigidity of conformally compact manifolds with the round sphere as the conformal infinity, Adv. Math. 224 (2010) 525--538. Joint with Satyaki Dutta.
  7. On a property of plane curves, J. Math. Anal. Appl. 361 (2010), 332--337.
  8. Convergence of Ricci flow on R^2 to flat space, J. Geom. Anal. (2009), no. 19, 809--816. Joint with James Isenberg.
  9. Chord theorems on graphs, Proc. Amer. Math. Soc. 137 (2009), 553--562.
  10. A generalization of Dirichlet approximation theorem for the affine actions on real line, J. Number Theory 128 (2008), no. 5, 1146--1156.
  11. Dirichlet problem on locally finite graphs, Discrete Appl. Math. 155 (2007), no. 18, 2496--2506.
  12. A new arrangement inequality, J. Inequal. Pure Appl. Math. 7 (2006), no. 5, Article 162.

 Dr. Mohammad Javaheri

Dr. Mohammad Javaheri
Assistant Professor