The School of Arts & Sciences

Department of Computer Science & Mathematics

Jean Takchi

Jean Takchi is an associate professor of Mathematics. He joined the Lebanese American University in 1992. His research interest was Algebraic Complexity and now he is working in a different area, namely non-smooth analysis and its application to control theory. He teaches Calculus courses, Differential Equations, Numerical Methods. He was a professor at the Lebanese University-Fanar from 1985 until 1992.

Selected publications

  1.  C. Nour, R. J. Stern and J. Takche, Validity of the Union of Uniform Closed Balls Conjecture, Journal of Convex Analysis, 18, No. 2, (2011), 589-600.
  2. C. Nour, R.J. Stern and J. Takche, Generalized exterior sphere conditions and φ-convexity, Discrete and continuous Dynamical Systems-Serie A, 29, No. 2, (2011), pp.615-622.
  3. C. Nour, R. J. Stern and J. Takche, The θ-exterior sphere condition, φ-convexity and local semiconcavity, Nonlinear Analysis: Theory, Methods and Applications, 73 (2010), 573-589.
  4. C. Nour, R. J. Stern and J. Takche, The union of uniform closed ball conjecture, Control and Cybernetics, 38 (2009) No. 4B, 1525-1534.
  5. J. Ja’Ja’, J. Takchi, On the validity of the Direct Sum Conjecture, SIAM Journal on Computing. 15(4), pp. 1004-1020, 1986. 

Academic degrees


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