Tolga Etgü
Associate Professor

My main research interests are low dimensional topology, symplectic and contact geometry and topology, Heegaard Floer homology.
Here are my preprints, papers, dissertation and thesis.

  Examples of planar tight contact structures with support norm one (with Yankı Lekili)

  Partial open book decompositions and the contact class in sutured Floer homology (with Burak Ozbagci),
          Turkish Journal of Mathematics 33 (2009), 295-312.

  On the contact Ozsvath-Szabo invariant (with Burak Ozbagci),
            Studia Scientiarum Mathematicarum Hungarica (to appear)
  Elliptic open books on torus bundles over the circle,
          Geometriae Dedicata 132 (2008), 53-63.
  Explicit horizontal open books on some plumbings (with Burak Ozbagci),
            International Journal of Mathematics 17 (2006), 1013-1031.
  Symplectic and Lagrangian surfaces in 4-manifolds,
             Rocky Mountain Journal of Mathematics 38 (2008), 1975-1989.
  A note on fundamental groups of symplectic torus complements in four-manifolds (with B. Doug Park),
           Journal of Knot Theory and Its Ramifications 17 (2008), 1063-1075.
  Lagrangian tori in homotopy elliptic surfaces (with David McKinnon and B. Doug Park),
              Transactions of the American Mathematical Society  357 (2005), 3757-3774.
  Symplectic tori in rational elliptic surfaces (with B. Doug Park).  
              Mathematische Annalen 334 (2006), 679-691.
   Homologous non-isotopic symplectic tori in homotopy rational elliptic surfaces (with B. Doug Park),
             Mathematical Proceedings of the Cambridge Philosophical Society  140 (2006), 71-78.
  Homologous non-isotopic symplectic tori in a K3-surface (with B. Doug Park),
              Communications in Contemporary Mathematics  7 (2005), 325-340.
  Non-isotopic symplectic tori in the same homology class (with B. Doug Park),
              Transactions of the American Mathematical Society 356 (2004), 3739-3750.
  A note on the geometry of M³ and symplectic structures on S¹ x M³,
            Acta Mathematica Hungarica  114 (2007), 195-199.
   Lefschetz fibrations, complex structures and Seifert fibrations on S¹ x M³,
               Algebraic and Geometric Topology 1 (2001), 469-489.
  Symplectic structures on product 4-manifolds,
        Ph.D. dissertation, University of California at Berkeley, 2002. (advisor: Robion C. Kirby)
  Seiberg-Witten invariants of Kähler surfaces,
        M.Sc. thesis, Middle East Technical University, 1997. (advisor: Turgut Önder)

 

   Curriculum Vitae 

Recent Teaching:

Spring 2009:     Math 302 - Real Analysis II

Fall 2008:         Math 102 - Calculus                                    Math 301 - Real Analysis I 

Spring 2008:     Math 302 - Real Analysis II                     Math 402 - Topology 

Fall 2007:         Math 204 - Differential Equations         Math 301 - Real Analysis I