Tsitsas, Nikolaos L.

Personal Information:

Position: Assistant Professor Tsitsas, Nikolaos L.
Research areas:
  • Applied Mathematics
Phone: +30-231099.1866
Location: Kalamaria, Office 19, Aristotle University of Thessaloniki. Thessaloniki, Greece.

Publications

  • G. Fikioris, N. L. Tsitsas and G. K. Charitos. "Spurious Oscillations in a Combined Method-of-Auxiliary-Sources/Extended-Integral-Equation Solution to a Simple Scattering Problem", Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 123. 2013, pp. 30-40. [More] 
  • N. L. Tsitsas. "A low-frequency electromagnetic near-field inverse problem for a spherical scatterer", Journal of Computational Mathematics, Vol. 31. 2013, pp. 439-448. [More] 
  • C. A. Valagiannopoulos, N. L. Tsitsas and G. Fikioris. "Convergence analysis and oscillations in the method of fictitious sources applied to dielectric scattering problems", ournal of the Optical Society of America A, Vol. 29. 2012, pp. 1-10. [More] 
  • R. Mittra, C. Pelletti, N. L. Tsitsas and G. Bianconi. "A New Technique for Efficient and Accurate Analysis of FSSs, EBGs and Metamaterials", Microwave and Optical Technology Letters, Vol. 54. 2012, pp. 1108–1116. [More] 
  • N. L. Tsitsas. "Analysis of Electromagnetic Wave Propagation in Frequency Bands of Nonlinear Metamaterials", Applied Computational Electromagnetics Society Journal, Vol. 27. 2012, pp. 169-180. [More] 
  • N. L. Tsitsas, A. Lakhtakia and D. J. Frantzeskakis. "Solitons in a Homogenized Two-Phase, Isotropic, Nonlinear, Particulate Composite Medium", Journal of the Optical Society of America B, Vol. 29. 2012, pp. 2610–2616. [More] 
  • Y. Shen, N. Whitaker, P. G. Kevrekidis, N. L. Tsitsas and D. J. Frantzeskakis. "Ultrashort Pulses and Short-Pulse Equations in 2+1 Dimensions", Physical Review A, Vol. 86. 2012. [More] 
  • C. A. Valagiannopoulos and N. L. Tsitsas. "Field Enhancement in a Grounded Dielectric Slab by Using a Single Superstrate Layer", Advances in Optoelectronics, Vol. 2012. 2012. [More] 
  • C. A. Valagiannopoulos and N. L. Tsitsas. "Integral equation analysis of a low-profile receiving planar microstrip antenna with a cloaking superstrate", Radio Science, Vol. 47. 2012. [More] 
  • N. L. Tsitsas and P. A. Martin. "Finding a source inside a sphere", Inverse Problems, Vol. 28. 2012. [More] 
  • G. Fikioris, N. L. Tsitsas and I. Psarros. "On the Nature of Oscillations in Discretizations of the Extended Integral Equation", IEEE Transactions on Antennas and Propagation, Vol. 59. 2011, pp. 1415-1419. [More] 
  • N. L. Tsitsas, A. Lakhtakia and D. Frantzeskakis. "Vector solitons in nonlinear isotropic chiral metamaterials", Journal of Physics A: Mathematical and Theoretical, Vol. 44. 2011, pp. 13 pp. [More] 
  • N. L. Tsitsas, T. R. Horikis, Y. Shen, P. G. Kevrekidis, N. Whitaker and D. J. Frantzeskakis. "Short pulse equations and localized structures in frequency band gaps of nonlinear metamaterials", Physics Letters A, Vol. 374. 2010, pp. 1384-1388. [More] 
  • P. J. Papakanellos, N. L. Tsitsas and H. T. Anastassiu. "Efficient modelling of radiation and scattering for a large array of loops", IEEE Transactions on Antennas and Propagation, Vol. 58. 2010, pp. 999-1002. [More] 
  • C. E. Athanasiadis, V. Sevroglou, I. G. Stratis and N. L. Tsitsas. "Point-source elastic scattering by a nested piecewise homogeneous obstacle in an elastic environment", Mathematics and Mechanics of Solids, Vol. 15. 2010, pp. 419-438. [More] 
  • N. L. Tsitsas. "On block matrices associated with discrete trigonometric transforms and their use in the theory of wave propagation", Journal of Computational Mathematics, Vol. 28. 2010, pp. 864-878. [More] 
  • N. L. Tsitsas and N. K. Uzunoglu. "Scattering by a Grating Slab Waveguide with Regular Plane Regions Grooves: Integral Equation Modeling", IEEE Transactions on Magnetics, Vol. 45. 2009, pp. 1080-1083. [More] 
  • C. A. Valagiannopoulos and N. L. Tsitsas. "Linearization of the T-matrix solution for quasi-homogeneous scatterers", Journal of the Optical Society of America A, Vol. 26. 2009, pp. 870-881. [More] 
  • N. L. Tsitsas, N. Robotis, I. Kourakis, P. G. Kevrekidis and D. J. Frantzeskakis. "Higher-order effects and ultra-short solitons in left-handed metamaterials", Physical Review E, Vol. 79. 2009, pp. 037601. [More] 
  • N. L. Tsitsas. "Direct and inverse dipole electromagnetic scattering by a piecewise homogeneous sphere", eitschrift fur die Angewandte Mathematik und Mechanik (ZAMM), Vol. 89. 2009, pp. 833-849. [More] 
  • C. A. Valagiannopoulos and N. L. Tsitsas. "On the resonance and radiation characteristics of multi-layered spherical microstrip antennas", Electromagnetics, Vol. 28. 2008, pp. 243-264. [More] 
  • C. Athanasiadis and N. L. Tsitsas. "Radiation relations for electromagnetic excitation of a layered chiral medium by an interior dipole", Journal of Mathematical Physics. 2008, pp. 013510. [More] 
  • N. L. Tsitsas and C. E. Athanasiadis. "Point-source excitation of a layered sphere: direct and far-field inverse scattering problems", Quarterly Journal of Mechanics and Applied Mathematics, Vol. 61. 2008, pp. 549-580. [More] 
  • N. L. Tsitsas, N. K. Uzunoglu and D. I. Kaklamani. "Diffraction of plane waves incident on a grated dielectric slab: An entire domain integral equation analysis", Radio Science, Vol. 42. 2007, pp. RS6S22. [More] 
  • N. L. Tsitsas and C. Athanasiadis. "On the interior acoustic and electromagnetic excitation of a layered scatterer with a resistive or conductive core", Bulletin of the Greek Mathematical Society, Vol. 54. 2007, pp. 127-141. [More] 
  • C. Athanasiadis and N. L. Tsitsas. "Electromagnetic scattering theorems for interior dipole excitation of a layered obstacle", Mathematical Methods in the Applied Sciences, Vol. 30. 2007, pp. 1467–1482. [More] 
  • C. Athanasiadis and N. L. Tsitsas. "Scattering Theorems for Acoustic Excitation of a Layered Obstacle By an Interior Point Source", Studies in Applied Mathematics, Vol. 118. 2007, pp. 397-418. [More] 
  • N. L. Tsitsas, E. G. Alivizatos and G. H. Kalogeropoulos. "A recursive algorithm for the inversion of matrices with circulant blocks", Applied Mathematics and Computation, Vol. 188. 2007, pp. 877–894. [More] 
  • D. G. Lymperopoulos, N. L. Tsitsas and D. I. Kaklamani. "A Distributed Intelligent Agent Platform for Genetic Optimization in CEM: Applications in a Quasi-Point Matching Method", IEEE Transactions on Antennas and Propa- gation (Special Issue on Synthesis and Optimization Techniques in Electromagnetics and Antenna System Design), Vol. 55. 2007, pp. 619-628. [More] 
  • N. L. Tsitsas, E. G. Alivizatos, D. I. Kaklamani and H. T. Anastassiu. "Optimization of the Method of Auxiliary Sources (MAS) for Oblique Incidence Scattering by an Infinite Dielectric Cylinder", Electrical Engineering, Vol. 89. 2007, pp. 353-361. [More] 
  • N. L. Tsitsas, D. I. Kaklamani and N. K. Uzunoglu. "Rigorous integral equation analysis of nonsymmetric coupled grating slab waveguides", Journal of the Optical Society of America A, Vol. 23. 2006, pp. 2888-2905. [More] 
  • N. L. Tsitsas, D. I. Kaklamani and N. K. Uzunoglu. "Integral equation analysis of coupling in symmetric grating assisted optical waveguides", Journal of the Optical Society of America A, Vol. 23. 2006, pp. 1488-1502. [More] 
  • N. L. Tsitsas and C. Athanasiadis. "On the scattering of spherical electromagnetic waves by a layered sphere", Quarterly Journal of Mechanics and Applied Mathematics, Vol. 59. 2006, pp. 55-74. [More] 
  • N. L. Tsitsas, E. G. Alivizatos, H. T. Anastassiu and D. I. Kaklamani. "Optimization of the Method of Auxiliary Sources (MAS) for Scattering by an Infinite Cylinder under Oblique Incidence", Electromagnetics, Vol. 25. 2005, pp. 39-54. [More] 
  • E. G. Alivizatos, I. D. Chremmos, N. L. Tsitsas and N. K. Uzunoglu. "Green’s function method for the analysis of propagation in holey fibers", Journal of the Optical Society of America A, Vol. 21. 2004, pp. 847-857. [More] 
 


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