Tolga Etgü
Associate Professor

 

 

Department of Mathematics Koç University
Rumelifeneri Yolu
Sarıyer, İstanbul
34450 TURKEY
 
 
 
 
Office : SCI 267
Phone: +90 (212) 338-1787
Fax:     +90 (212) 338-1559
Email:  tetgu
at ku dot edu dot tr


Research:

My main research interests are low dimensional topology, symplectic and contact geometry and topology, Heegaard Floer homology.


Tight contact structures on laminar free hyperbolic three-manifolds (preprint)

Examples of planar tight contact structures with support norm one (with Yankı Lekili),  International Mathematics Research Notices (to appear)

Relative Giroux correspondence (with Burak Ozbagci), Proceedings of the Georgia Topology Conference (to appear)

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 47 (2010), 90-107.

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.

Seiberg-Witten invariants of Kähler surfaces, M.Sc. thesis, Middle East Technical University, 1997.


Curriculum Vitae  (April 2010)


Links:

Gökova Geometry-Topology Conferences

İstanbul Workshop on Contact Topology (2009)

İstanbul Workshop on Contact Topology (2010)

KU Math Colloquium

KU Geometry-Topology Seminars

 

Last Modified: July 2, 2010.