ODTU-Bilkent Algebraic Geometry Seminars
since September 2000
Total number of talks so far is 488

Last update: 1 July 2021

The numbers in the following table give the number of talks given by the speaker in this seminar series since September 2000.
Click on the name of the speaker to see the list of talks given by that speaker.

 Kürþat Aker 1 Christophe Eyral 1 Bedia Akyar 1 Sergey Finashin 4 Uður Madran 1 Sema Salur 1 Özhan Genç 1 Turgay Akyar 2 Richard Gonzales 1 Haydar Göral 1 Ersan Akyýldýz 4 Aslý Güçlükan (Ýlhan) 3 Mücahit Meral 1 Anthony Scholl 3 Rabia Gülþah 1 Çisem Güneþ (Aktaþ) 6 Selma Altýnok (Bhupal) 2 Hakan Güntürkün 1 Pýnar Mete 2 Ali Sinan Sertöz 78 Kâzým Ýlhan Ýkeda 1 Fatma Altunbulak Aksu 1 Mustafa Devrim Kaba 4 Marcel Morales 1 Emre Can Sertöz 3 Feza Arslan 6 Mustafa Kalafat 11 Mutsuo Oka 1 Müfit Sezer 6 Deniz Ali Kaptan 1 Serkan Sonel 3 Koray Karabina 1 Serguei Stepanov 1 Halil Ýbrahim Karakaþ 2 Lucian Badescu 1 Tolga Karayayla 5 Yýldýray Ozan 36 Mesut Þahin 23 Burcu Baran 1 Ebru Keyman 1 Turgut Önder 4 Nil Þahin 4 Özgür Kiþisel 51 Emre Þen 1 Berrin Þentürk 1 Cem Tezer 1 Alp Bassa 1 Alexander Klyachko 16 Hurþit Önsiper 15 Mustafa Topkara 1 Kadri Ýlker Berktav 3 Ahmet Beyaz 1 Caner Koca 4 Meral Tosun 2 Kazým Büyükboduk 1 Deniz Kutluay 4 Burak Özbaðcý 1 Ýnan Utku Türkmen 10 Özgür Ceyhan 1 Yusuf Civan 1 Çaðatay Kutluhan 1 Ferruh Özbudak 3 Muhammed Uludað 4 Emre Coþkun 17 Engin Özkan 2 Ýzzet Coþkun 1 Ömer Küçüksakallý 1 Recep Özkan 1 Ali Kemal Uncu 1 Yanký Lekili 1 Emrah Çakçak 1 Franz Lemmermayer 1 Ali Öztürk 1 Özgün Ünlü 9 Ayþegül Öztürkalan 1 Melih Üçer 2 Sinan Ünver 1 Münevver Çelik 1 James D. Lewis 3 Mehmetcik Pamuk 5 Çetin Ürtiþ 1 Türkü Özlüm Çelik 1 Hanife Varlý 1 Davide Cesare Veniani 4 Alexander Degtyarev 52 Huishi Li 1 Piotr Pragacz 1 Ergün Yalçýn 13 Anar Dosi 1 Oðuz Yayla 1 Mehmet Akif Erdal 1 Hamza Yeþilyurt 1 Alperen Ergür 1 Oðuzhan Yörük 3 Remziye Arzu Zabun 1 Ayberk Zeytin 1

Legend of the last three columns: Date | talk given at ODTU/Bilkent/Zoom | order of talk in the series

 Kürþat Aker  Goto Top 1 Multiplicative generators for the Hecke ring of the Gelfand Pair (S(2n),H(n)) 17 Dec 2010 B 247 Bedia Akyar  Goto Top 1 Prismatic sets in topology and geometry 26 Mar 2010 B 232 Turgay Akyar   Goto Top 1 The fundamental group of a rationally connected variety 11 May 2018 B 425 2 Clifford's theorem on special divisors 22 Nov 2019 B 452 Ersan Akyýldýz  Goto Top 1 Group actions and cohomology of homogeneous spaces 7 Dec 2001 O 39 2 Group actions and cohomology of homogeneous spaces-II 1 Mar 2002 O 43 3 Group actions and cohomology of homogeneous spaces-III 8 Mar 2002 O 44 4 On the Factorization of Poincare Polynomials 20 Dec 2002 O 64 Selma Altýnok  Goto Top 1 Toric varieties associated with weighted graphs 18 Nov 2005 O 127 2 On piecewise polynomial functions and their dimension 25 Nov 2011 B 266 Fatma Altunbulak Aksu  Goto Top 1 Varieties of modules and a filtration theorem 4 May 2009 B 215 Feza Arslan  Goto Top 1 deRham and Dolbeault cohomology 17 Nov 2000 O 8 2 Hilbert functions and Arf rings 16 Nov 2001 B 36 3 Cayley-Bacharach Theorems 29 Mar 2002 B 47 4 Arf rings and index of regularity 6 Oct 2006 O 147 5 Standard bases and Cohen-Macaulayness 26 Oct 2007 O 170 6 Apery table, microinvariants and the regularity index 25 Dec 2020 Z 476 Lucian Badescu  Goto Top 1 An introduction to the algebro-geometric aspect of Hilbert's 14th problem (according to Zariski) 10 May 2002 O 53 Burcu Baran  Goto Top 1 Amoebas of algebraic varieties and tropical geometry 9 Apr 2004 O 96 Alp Bassa  Goto Top 1 Introduction to Tropical Algebraic Geometry 5 Mar 2004 B 91 Kadri Ýlker Berktav  Goto Top 1 Towards the stacky formulation of Einstein gravity 12 Apr 2019 O 440 2 Formal moduli problems and classical field theories 11 Oct 2019 B 446 3 Symplectic Structures on Derived Schemes 8 May 2020 Z 462 Ahmet Beyaz  Goto Top 1 Genus zero Gromov-Witten invariants 2 Dec 2011 O 267 Kazým Büyükboduk  Goto Top 1 Trivial Zeros, Kolyvagin Systems and Main Conjectures of Iwasawa Theory 3 Dec 2005 B 133 Özgür Ceyhan  Goto Top 1 Feynman integrals as periods in configuration spaces 5 Apr 2013 B 302 Yusuf Civan  Goto Top 1 Topology of torus actions 1 Nov 2002 B 58 Emre Coþkun  Goto Top 1 An introduction to moduli problems 12 Apr 2013 M 303 2 An introduction to moduli problems, II 19 Apr 2013 B 304 3 Deformation theory 1 18 Apr 2014 O 327 4 Deformation theory 2 25 Apr 2014 B 328 5 Deformation theory 3 9 May 2014 O 329 6 Deformation theory 4 16 May 2014 B 330 7 Deformation theory 5 23 May 2014 O 332 8 Compact Riemann surfaces and algebraic curves-I 10 Oct 2014 B 337 9 Compact Riemann surfaces and algebraic curves-II 17 Oct 2014 O 338 10 Compact Riemann surfaces and algebraic curves-III 24 Oct 2014 B 339 11 The Beilinson spectral sequence 24 Mar 2017 B 394 12 Serre's GAGA-I 9 Nov 2018 B 430 13 Serre's GAGA-II 16 Nov 2018 O 431 14 Serre's GAGA-III 23 Nov 2018 B 432 15 Quiver Representations I 21 Feb 2020 B 457 16 Quiver Representations II 6 Mar 2020 B 458 17 Quiver Representations III 17 Apr 2020 Z 460 Ýzzet Coþkun  Goto Top 1 Birational geometry of moduli spaces 18 Dec 2009 B 226 Emrah Çakçak  Goto Top 1 Subfields of the function field of the Deligne-Lusztig Curve of Ree type 13 Dec 2002 B 63 Münevver Çelik  Goto Top 1 Calculating Alexander polynomials 27 Mar 2009 O 210 Türkü Özlüm Çelik  Goto Top 1 Integrable Systems in Symbolic, Numerical and Combinatorial Algebraic Geometry 26 Mar 2021 Z 484 Alexander Degtyarev  Goto Top 1 Hodge Theory; A Fresh Look 27 Sept 2001 B 29 2 On Symmetric K3 Surfaces 3 Jan 2003 B 66 3 Hodge Theory 11 Apr 2003 B 74 4 Deligne Cohomology 18 Apr 2003 B 75 5 The Inversion Theorem for Generic Hypersurfaces 24 Oct 2003 B 83 6 Dessins d'enfants, trigonal curves and elliptic surfaces, I 19 Nov2004 B 106 7 Dessins d'enfants, trigonal curves and elliptic surfaces, II 26 Nov 2004 O 107 8 K-theoretic and cohomological methods 25 Mar 2005 B 117 9 K-theoretic and cohomological methods-II 1 Apr 2005 B 118 10 On deformations of singular sextics 17 Mar 2006 B 138 11 On total reality of meromorphic functions 1 Dec 2006 O 153 12 Oka's conjecture on irreducible plane sextics 6 Apr 2007 B 164 13 On irreducible sextics with non-abelian fundamental group 30 Nov 2007 B 175 14 On the number of solutions of quadratic equations 10 Oct 2008 B 192 15 Singular plane sextics via dessin d'enfants 31 Oct 2008 O 195 16 Towards the generalized Shapiro and Shapiro conjecture 3 Apr 2009 B 211 17 Real elliptic surfaces and real elliptic curves of type I (joint w/I. Itenberg) 17 Apr 2009 B 213 18 Dihedral covers of trigonal curves 19 Mar 2010 B 231 19 The Alexander module of a trigonal curve 1 Oct 2010 B 239 20 Leray-Serre spectral sequence I 18 Mar 2011 B 253 21 Leray-Serre spectral sequence II 1 Apr 2011 O 254 22 Products of two Dehn twists and real lefschetz fibrations 7 Oct 2011 B 261 23 Lines on quartic surfaces 14 Oct 2011 O 262 24 On lines on smooth quartics 21 Sep 2012 B 284 25 On the Bertini Involution 3 May 2013 B 306 26 Resolutions of singularities, Viro’s patchworking, and tropical geometry 29 Nov 2013 O 315 27 Viro’s patchworking 13 Dec 2013 O 317 28 Lines on surfaces-I 26 Sep 2014 B 335 29 Lines on surfaces-II 2 Oct 2014 O 336 30 Dessins d'enfants and topology of algebraic curves 8 May 2015 O 360 31 Lines on smooth quartics 2 Oct 2015 B 361 32 Skeletons 26 Feb 2016 O 372 33 Skeletons-II 4 Mar 2016 B 373 34 Trigonal curves and monodromy 25 Mar 2016 O 376 35 Trigonal curves and monodromy-II 1 Apr 2016 B 377 36 Trigonal curves and monodromy-III 15 Apr 2016 B 378 37 Trigonal curves and monodromy-further applications 29 Apr 2016 B 379 38 Lines in K3 surfaces 7 Oct 2016 B 380 39 Lines in K3 surfaces II 14 Oct 2016 O 381 40 Projective models of K3 surfaces 9 Dec 2016 B 388 41 Lines in polarized K3 surfaces 31 Mar 2017 O 395 42 Real algebraic curves with large finite number of real points 6 Oct 2017 O 402 43 Can a smooth sextic have more than 72 tritangents? 20 Apr 2018 B 422 44 A few further remarks on Enriques surfaces 2 Nov 2018 O 429 45 Tritangents to sextic curves via Niemer lattices 8 Mar 2019 B 437 46 Positivity and sums of squares of real polynomials 15 Mar 2019 O 438 47 Linear subspaces in algebraic varieties 25 Oct 2019 B 448 48 Linear subspaces in algebraic varieties II: Niemeier lattices 15 Nov 2019 O 451 49 The global Torelli theorem for cubic 4-folds and its applications 15 May 2020 Z 463 50 Counting 2-planes in cubic 4-folds in P5 9 Oct 2020 Z 466 51 Lines in singular triquadrics 4 Dec 2020 Z 473 52 800 conics in a smooth quartic surface 5 Mar 2021 Z 481 Anar Dosi Goto Top 1 Algebraic spectral theory and index of a variety 12 Mar 2021 Z 482 Mehmet Akif Erdal  Goto Top 1 James spectral sequence 6 May 2011 B 259 Alperen Ergür  Goto Top 1 Tropical varieties for exponential sums 4 Dec 2015 B 369 Christophe Eyral  Goto Top 1 A short introduction to Lefschetz theory on the topology of algebraic varieties 22 Oct 2010 B 241 Sergey Finashin  Goto Top 1 Invariants of 3+1 dimensional manifolds after Ozvath and Szabo 28 Dec 2001 B 42 2 Some Real Algebraic Aspects of Quantum Cohomology and Mirror Symmetry 3 May 2002 O 52 3 Invariants of complex algebraic surfaces via differential topology 15 Mar 2013 O 299 4 Invariants of complex algebraic surfaces via differential topology, II 22 Mar 2013 B 300 Özhan Genç Goto Top 1 Instanton Bundles on P1×F1 2 Apr 2021 Z 486 Richard Gonzales  Goto Top 1 KM theory of rationally smooth group embeddings 21 Oct 2011 B 263 Haydar Göral  Goto Top 1 Primality via height bound 27 Nov 2015 O 368 Aslý Güçlükan  Goto Top 1 Vector bundles and their classification 2 Oct 2009 B 218 2 Introduction to topological K-theory 9 Oct 2009 B 219 3 The topological index B 20 Apr 2012 B 280 Rabia Gülþah   Goto Top 1 Brauer-Manin obstruction 4 May 2018 O 424 Çisem Güneþ  Goto Top 1 Classification of simple quartics up to equisingular deformation - I 18 Nov 2016 O 385 2 Classification of simple quartics up to equisingular deformation - II 25 Nov 2016 B 386 3 An introduction to Nikulin's theory of discriminants forms-I 5 May 2017 O 400 4 An introduction to Nikulin's theory of discriminants forms-II 12 May 2017 O 401 5 Algebraic surfaces in $\mathbb{CP}^3$ 27 Oct 2017 O 405 6 Real representatives of equisingular strata of  projective models of K3-surfaces 30 Apr 2021 Z 488 Hakan Güntürkün  Goto Top 1 Non-Archimedean Amoebas 30 Apr 2004 B 97 Kâzým Ýlhan Ýkeda  Goto Top 1 Yoga of the Langlands reciprocity and functoriality principles 6 Novt 2020 Z 469 Mustafa Devrim Kaba  Goto Top 1 Cycles, zeta functions and Tate conjectures 23 Mar 2007 B 162 2 Tate conjectures for some fibered surfaces 30 Mar 2007 O 163 3 Manin's identity principle 14 Nov 2008 O 197 4 Motives of curves and surfaces 21 Nov 2008 B 198 Mustafa Kalafat  Goto Top 1 Scalar curvature and connected sums of self-dual 4-manifolds 29 Dec 2006 O 157 2 Hyperkahler manifolds with circle actions and the Gibbons-Hawking Ansatz 10 Dec 2010 O 246 3 Geometric invariant theory and Einstein-Weyl geometry 9 Dec 2011 B 268 4 The Hodge operator 23 Mar 2012 O 276 5 Einstein-Hermitian 4-manifolds of positive bisectional curvature 28 Dec 2012 B 296 6 Topology of $G_2$ manifolds 10 May 2013 O 307 7 Examples. Blow ups. Resolution of Singularities. Torus action. Orbits. Divisors. 25 Oct 2013 O 311 8 Blow ups. Resolution of Singularities. Torus action. Orbits. Divisors - I 1 Nov 2013 B 312 9 Blow ups. Resolution of Singularities. Torus action. Orbits. Divisors - II 8 Nov 2013 O 313 10 Blow ups. Resolution of Singularities. Torus action. Orbits. Divisors - III 15 Nov 2013 B 314 11 On special submanifolds of the Page space 27 Nov 2020 Z 472 Deniz Ali Kaptan  Goto Top 1 The Methods of Goldston-Pintz-Yýldýrým and Maynard-Tao, and results on prime gaps 13 Nov 2020 Z 470 Koray Karabina  Goto Top 1 Elliptic curve discrete logarithm problem 26 Apr 2013 O 305 Halil Ýbrahim Karakaþ  Goto Top 1 Arf numerical semigroups 19 Apr 2019 O 441 2 A decomposition of partitions and numerical sets 20 Dec 2019 B 456 Tolga Karayayla  Goto Top 1 Schubert calculus, Chow ring of Grassmannians, part I 2 Nov 2012 O 289 2 Schubert calculus, Chow ring of Grassmannians, part II 9 Nov 2012 B 290 3 Schubert calculus, Chow ring of Grassmannians, part III 14 Dec 2012 O 294 4 Singularities 9 Mar 2018 B 417 5 Singular fibre products of rational elliptic surfaces and fixed point free group actions on their desingularizations 3 May 2019 O 443 Ebru Keyman  Goto Top 1 Braids with multiple points 15 Nov 2002 O 60 Ali Ulaþ Özgür Kiþisel  Goto Top 1 Weierstrass theorems and corollaries 13 Oct 2000 O 3 2 Harmonic theory on compact complex manifolds 23 Feb 2001 O 18 3 Kahler manifolds 2 Mar 2001 O 19 4 Lefschetz decomposition 16 Mar 2001 B 20 5 Lefschetz decomposition II 23 Mar 2001 B 21 6 Kodaira vanishing theorem 27 Apr 2001 O 26 7 Integrable systems and quantum cohomology 14 Dec 2001 B 40 8 Quantum Cohomology 12 Apr 2002 O 49 9 Introduction to Hodge Theory 21 Feb 2003 B 67 10 Infinitesimal Period Relations 9 May 2003 O 78 11 Infinitesimal Period Relations-II 16 May2003 B 79 12 Lefschetz Pencils and Normal Functions 31 Oct 2003 O 84 13 Lefschetz Pencils for the Working Algebraic Geometer 7 Nov 2003 B 85 14 The Infinitesimal Abel-Jacobi Mapping for Hypersurfaces-I 19 Dec 2003 B 89 15 The Infinitesimal Abel-Jacobi Mapping for Hypersurfaces-II 26 Dec 2003 O 90 16 Work of Mikhalkin 12 Mar 2004 O 92 17 Connection between classical and tropical geometries 7 May  2004 O 98 18 On parts of Kontsevich's proof of Witten's conjecture 5 Nov 2004 B 104 19 On parts of Kontsevich's proof of Witten's conjecture, II 12 Nov 2004 O 105 20 Roitman's theorem 7 Oct 2005 O 123 21 Roitman's theorem III 21 Oct 2005 O 125 22 Abelian varieties, theta function and the Riemann theorem 10 Mar 2006 B 137 23 Spectral curves 28 Apr 2006 O 144 24 An additive group action on the hyperquot scheme 3 Nov 2006 O 149 25 Rational curves on K3 surfaces 20 Apr 2007 B 165 26 Rational curves on K3 surfaces-II 11May2007 O 167 27 Introduction to Spectral Curves 22 Feb 2008 B 179 28 Applications to non-linear equations 4 Apr 2008 O 184 29 Applications to non-linear equations-II 11 Apr 2008 B 185 30 Applications to non-linear equations-III 18 Apr 2008 O 186 31 Tropical intersections 30 Nov 2012 B 293 32 Riemann surfaces and discrete groups - I 31 Oct 2014 O 340 33 Riemann surfaces and discrete groups - II 7 Nov 2014 B 341 34 Riemann surfaces and discrete groups - III 14 Nov 2014 O 342 35 Riemann surfaces and discrete groups - IV 21 Nov 2014 B 343 36 Riemann surfaces and discrete groups - V 28 Nov 2014 O 344 37 Riemann surfaces and discrete groups - VI 5 Dec 2014 B 345 38 Moduli spaces of elliptic curves 11 Dec 2015 O 370 39 Arithmetic of K3 surfaces 16 Dec 2016 O 389 40 Tropical Curves-I 10 Mar 2017 B 392 41 Tropical Curves-II 17 Mar 2017 O 393 42 The cap set problem 1 Dec 2017 B 410 43 Introduction to minimal model program: MMP for surfaces 16 Feb 2018 O 414 44 Cone and contraction theorems for surfaces 23 Feb 2018 B 415 45 The logarithmic category 2 Mar 2018 O 416 46 Vanishing theorems 16 Mar 2018 O 418 47 Cone and contraction theorems in higher dimensions 23 Mar 2018 B 419 48 Flips 30 Mar 2018 O 420 49 Existence and termination of flips 6 Apr 2018 B 421 50 Random real algebraic plane curves 1 Nov 2019 O 449 51 On complex 4-nets 18 Dec 2020 Z 475 Alexander Klyachko  Goto Top 1 Curves with big number of rational points 26 Oct  2001 B 33 2 Branched coverings of torus and holomorphic differentials 19 Apr 2002 B 50 3 Branched coverings of torus and holomorphic differentials-II, Counting coverings 17 May2002 B 54 4 Spectral Problems and Geometry (ICM 2002 Beijing Talk) 11 Oct 2002 B 55 5 Schubert Calculus and Quantum Marginal Problem 15 oct 2004 B 102 6 Etale Cohomology 22 Apr 2005 O 119 7 Cayley hyperdeterminants 16 Dec 2005 B 131 8 Poncelet porism and the numerical range of matrices 5 May 2006 B 145 9 Kahler-Einstein metric on toric varieties 17 Nov 2006 O 151 10 Invariants and covariants of skew symmetric forms 4 May 2007 B 166 11 Hurwitz numbers and moduli spaces 14 Dec 2007 B 177 12 Pauli principle revisited 16 May2008 O 189 13 Quantum mechanics and Poncelet porism 5 Dec 2008 B 200 14 Toric and flag varieties 30 Dec 2011 O 271 15 Exceptional Belyi coverings 24 Apr 2015 B 359 16 Transformation of cyclic words into Lie elements 21 Apr 2017 B 398 Caner Koca  Goto Top 1 The Monge-Ampere equations and Yau's proof of the Calabi conjecture 21 May 2014 B 331 2 Einstein's equations on compact complex surfaces 27 May 2014 B 333 3 Extremal Kahler metrics and Bach-Maxwell equations 3 June 2014 B 334 4 Kähler Geometry and Einstein-Maxwell Metrics 5 Feb 2021 Z 477 Deniz Kutluay  Goto Top 1 Knot groups 6 Mar 2009 O 207 2 Fox calculus 13 Mar 2009 B 208 3 Jones polynomial 26 Feb 2010 O 228 4 Tait's conjecture 5 Mar 2010 B 229 Çaðatay Kutluhan  Goto Top 1 Counting Curves via Lattice Paths in Polygons 19 Mar 2004 B 93 Ömer Küçüksakallý  Goto Top 1 Frey curves and Fermat's last theorem 8 Oct 2010 O 240 Yanký Lekili Goto Top 1 A panorama of Mirror Symmetry 16 Apr 2021 Z 487 Franz Lemmermayer  Goto Top 1 Values of polynomials over Fp 10 Nov 2006 B 150 James D. Lewis  Goto Top 1 Biextensions associated to algebraic cycles, I 22 Jan 2009 B 203 2 Biextensions associated to algebraic cycles, II 23 Jan 2009 B 204 3 The Hodge Conjecture 29 May 2020 Z 465 Huishi Li  Goto Top 1 Some noncommutative quadric algebras 29 Nov 2002 B 63 Uður Madran  Goto Top 1 Modular vector invariants 10 Dec 2004 O 109 Mücahit Meral  Goto Top 1 Semifree Hamiltonian circle actions on 6 dimensional manifolds with non-isolated fixed point set 8 Dec 2017 O 411 Pýnar Mete  Goto Top 1 Hilbert function via Semigroup gluing 2 Nov 2007 B 171 2 Minimal systems of generators of toric varieties 2 May 2008 O 186 Marcel Morales  Goto Top 1 On the Nash problem for arcs on a singular surface 22 Dec 2006 B 156 Mutsuo Oka  Goto Top 1 Polar weighted homogeneous polynomials and mixed Brieskorn singularity 28 May 2010 B 238 Yýldýray Ozan   Goto Top 1 Nulstellensatz 20 Oct 2000 O 4 2 Complex manifolds 27 Oct 2000 B 5 3 Complex manifolds II 3 Nov 2000 B 6 4 Submanifolds and subvarieties 10 Nov 2000 O 7 5 Topology of manifolds 12 Jan 2001 B 14 6 Topology of manifolds II 19 Jan 2001 O 15 7 Chern classes of line bundles 6 Apr 2001 O 23 8 Chern classes of line bundles II 13 Apr 2001 B 24 9 Lefschetz theorem on hyperplane sections 4 May 2001 O 27 10 Lefschetz theorem on (1,1)-classes 11 May 2001 B 28 11 On relative topology of a real algebraic set in its complexification 2 Nov 2001 O 34 12 Algebraic and Hamiltonian circle actions 26 Apr 2002 B 51 13 Real Algebraic Differential Forms in Real Algebraic Geometry 8 Nov 2002 B 59 14 Fundamental Structures in Hodge Theory 28 Feb 2003 O 68 15 More Fundamental Structures in Hodge Theory 7 Mar 2003 O 69 16 Lefschetz Decomposition 14 Mar 2003 B 70 17 Topology of Certain Singular Hypersurfaces 14 Nov 2003 O 86 18 Topology of Certain Singular Hypersurfaces-II 5 Dec 2003 B 87 19 Counting Holomorphic Curves by Tropical Curves 14 May 2004 B 99 20 Action of the homology of the diffeomorphism group 22 Oct 2004 O 103 21 Curves on threefolds and the intermediate Jacobians 11 Mar 2005 O 115 22 Curves on threefolds and the intermediate Jacobians, II 18 Mar 2005 B 116 23 Roitman's theorem II 14 Oct 2005 B 124 24 Contact Topology : An introduction and some examples 8 Dec 2006 B 154 25 Luttinger surgery along Lagrangian submanifolds 28 Dec 2007 O 178 26 J-holomorphic curves in the study of symplectomorphism groups of symplectic 4-manifolds 10 Apr 2009 O 212 27 On Bott's periodicity theorem 16 Oct 2009 O 220 28 Algebraic K-theory in the study of regular maps in real algebraic geometry 9 Apr 2010 O 233 29 On cohomology of Hamiltonian groups 29 Apr 2011 O 258 30 The Dirac operator 30 Mar 2012 B 277 31 Some applications of differential topological invariants to algebraic surfaces 29 Mar 2013 O 301 32 Manifolds admitting no real projective structure 7 Dec 2018 O 433 33 Equivariant cohomology and localization after Anton Alekseev 29 Mar 2019 B 439 34 An obstruction for algebraic realization of smooth closed manifolds with prescribed algebraic submanifolds and some examples 17 May 2019 O 445 35 A filtration on the Borel-Moore homology of wonderful compactifications of some symmetric spaces 18 Oct 2019 O 447 36 Liftable homeomorphisms of finite abelian p-group regular branched covers over the 2-sphere and the projective plane 12 Feb 2021 Z 478 Turgut Önder  Goto Top 1 Equivariant Almost Complex Substructures on Manifolds-an update and the techniques involved 25 Oct 2002 O 57 2 Foliations on 4-manifolds and minimal genus of embedded surfaces 17 Dec 2004 B 110 3 The ring K(X) 6 Apr 2012 O 278 4 The ring K(X), part II 13 Apr 2012 B 279 Hurþit Önsiper   Goto Top 1 Calculus on complex manifolds 24 Nov 2000 B 9 2 Sheaves and cohomology 1 Dec 2000 B 10 3 Sheaves and cohomology II 8 Dec 2000 O 11 4 On the moduli spaces of some special surfaces of general type 9 Nov 2001 O 35 5 Some pathologies in characteristic p 15 Mar 2002 O 45 6 Cayley-Bacharach property revisited 5 Apr 2002 O 48 7 Vanishing Theorems 18 Oct 2002 O 56 8 The Abel-Jacobi mapping 10 Oct 2003 B 81 9 Properties of the Abel-Jacobi mapping 17 Oct 2003 O 82 10 Hodge Theory and Algebraic Cycles-I 1 Oct 2004 O 100 11 Hodge Theory and Algebraic Cycles-II 8 Oct 2004 O 101 12 0-cycles on open surfaces, I 25 Feb 2005 O 113 13 0-cycles on open surfaces, II 4 Mar 2005 B 114 14 Vengeance of Arithmetic, I 29 Apr 2005 O 120 15 Vengeance of Arithmetic, II 6 May 2005 O 121 Burak Özbaðcý  Goto Top 1 Topology of Stein domains 22 Nov 2002 O 61 Ferruh Özbudak  Goto Top 1 Improvements on Tsfasman-Vladut-Zink Bound 24 Dec 2004 O 111 2 Finite number of Kummer cover and curves with many points 16 Dec 2011 O 269 3 Perfect nonlinear and quadratic maps on finite fields and some connections to finite semifields, algebraic curves and cryptography 20 Feb 2015 O 350 Engin Özkan  Goto Top 1 Compatible (Ga,Gm ) actions on a toric surface 13 Oct 2006 B 148 2 Normality of  Toric Orbit Closures in G/P 7 Dec 2007 O 176 Recep Özkan  Goto Top 1 Concrete sheaves and continuous spaces 13 Nov 2015 O 366 Ali Öztürk  Goto Top 1 Real Abelian Varieties with Many Line Bundles (after Prieto and Kollar) 27 Dec 2002 O 65 Ayþegül Öztürkalan Goto Top 1 Loops in moduli spaces of real plane projective sextics 24 Apr 2020 Z 461 Mehmetcik Pamuk  Goto Top 1 4-manifolds with free fundamental group 24 Oct 2008 B 194 2 s-cobordism classification of 4-manifolds 26 Nov 2010 O 244 3 An application of Atiyah-Hirzebruch spectral sequence 13 may 2011 O 260 4 Surgery methods of classifying manifolds 18 Nov 2011 O 265 5 Pseudodifferential operators 27 Apr 2012 O 281 Piotr Pragacz  Goto Top 1 Positivity of Schur function expansions of Thom polynomials 15 Dec 2006 O 155 Sema Salur  Goto Top 1 Applications of calibrations: Mirror dualities 28 Nov 2008 O 199 Anthony Scholl  Goto Top 1 Recent Progress in the Arithmetic of Elliptic Curves 4 Apr 2003 B 73 2 Moduli of curves of genus three 21 Apr 2006 O 143 3 Plectic structures on locally symmetric varieties 26 Feb 2021 Z 480 Emre Can Sertöz  Goto Top 1 Idea of the moduli space of curves 17 May 2013 B 308 2 Enumerative geometry of double spin curves 13 Oct 2017 B 403 3 Separating periods of quartic surfaces 16 Oct 2020 Z 467 Ali Sinan Sertöz   Goto Top 1 Cauchy's formula and applications 29 Sep 2000 B 1 2 Cauchy's formula and applications II 6 Oct 2000 B 2 3 Cohomology 15 Dec 2000 O 12 4 Some cohomology calculations 22 Dec 2000 B 13 5 Vector Bundles, connections and curvature 9 Feb 2001 B 16 6 Vector Bundles, connections and curvature II 16 Feb 2001 B 17 7 Divisors and line bundles 30 Mar 2001 O 22 8 Adjunction formulas 20 Apr 2001 B 25 9 On some K3 covers of Enriques surfaces 5 Oct 2001 O 30 10 On some K3 covers of Enriques surfaces II 12 Oct 2001 O 31 11 Smooth curves on algebraic K3 surfaces 19 Oct 2001 B 32 12 Spectral Sequences 21 Mar 2003 B 71 13 Hodge Structures 28 Mar 2003 O 72 14 Variation of Hodge Structure within a Flat Family 25 Apr 2003 O 76 15 Griffiths Periodicity 2 May 2003 O 77 16 Residues and sheaf cohomology 3 Oct 2003 O 80 17 Intermediate Jacobians 12 Dec 2003 O 88 18 Zero cycles on surfaces 18 Feb 2005 B 112 19 On the anti-invariant lattice of some K3 surfaces (joint with C. Koca) 23 Sep 2005 B 122 20 Introduction to pure motives 2 Dec 2005 B 129 21 Introduction to pure motives-II 9 Dec 2005 O 130 22 Introduction to pure motives-III 23 Dec 2005 O 132 23 The mean Jacobian of a threefold (après Tyurin) 17 Feb 2006 O 134 24 The cylinder map 24 Feb 2006 B 135 25 Geometry of the cubic 24 Mar 2006 O 139 26 Geometry of the cubic II 31 Mar 2006 O 140 27 The cubic threefold 14 Apr 2006 O 142 28 Preliminaries on K3 surfaces 2 Mar 2007 O 159 29 The Fermat quartic 9 Mar 2007 B 160 30 Rational curves on an Enriques surface, apres Namikawa 16 Mar 2007 O 161 31 General Information on theta functions 29 Feb 2008 O 180 32 Theta functions on Abelian tori 7 Mar 2008 B 181 33 Theta functions on Riemann surfaces 21 Mar 2008 O 182 34 Abel map and the Jacobi inversion theorem 28 Mar 2008 B 183 35 Correspondences apres Manin 26 Sep 2008 O 191 36 Motifs apres Manin 17 Oct 2008 O 193 37 What is wrong with the proof of the Hodge conjecture? 20 Feb 2009 B 205 38 Hodge conjecture; is it still open? 27 Feb 2009 O 206 39 Preliminaries on motifs 8 May 2009 O 216 40 K0 and K1 of categories 4 Dec 2009 O 224 41 Grothendieck-Riemann-Roch Theorem 19 Feb 2010 B 227 42 Counting the number of lines on an algebraic surface 24 Dec 2010 O 248 43 Basics of spectral sequences 18 Feb 2011 B 249 44 Basics of spectral sequences II 25 Feb 2011 O 250 45 Basics of spectral sequences III 4 Mar 2011 B 251 46 Basics of spectral sequences IV 11 Mar 2011 O 252 47 An overview of counting lines on algebraic surfaces 4 Nov 2011 B 264 48 Atiyah-Singer Index Theorem-Preliminaries 2 Mar 2012 B 273 49 Atiyah-Singer Index Theorem-Motivation and statement 9 Mar 2012 O 274 50 Proof of the Index Theorem 11 May 2012 B 283 51 The Chow ring of G(1,3) 28 Sep 2012 O 285 52 The Chow ring of G(1,3), part II 5 Oct 2012 B 286 53 The Chow ring of G(1,3), part III 12 Oct 2012 O 287 54 The Chow ring of G(1,3), part IV-last 19 Oct 2012 B 288 55 Lines on hypersurfaces 1 Mar 2013 O 297 56 Chern classes as degeneracy cycles and some applications 8 Mar 2013 B 298 57 Belyi's theorem-I 12 Dec 2014 O 346 58 Belyi's theorem-II 19 Dec 2014 B 347 59 Belyi's theorem-III 26 Dec 2014 O 348 60 Belyi's theorem-IV 27 Feb 2015 B 351 61 Belyi's theorem V 20 Mar 2015 O 354 62 Exit Belyi, enter dessins d'enfants 27 Mar 2015 B 355 63 From dessins d'enfants to Belyi pairs 3 Apr 2015 O 356 64 Calculating the Belyi function associated to a dessin 10 Apr 2015 B 357 65 From Belyi pairs to dessins 17 Apr 2015 O 358 66 The basic theory of elliptic surfaces-I 9 Oct 2015 O 362 67 The basic theory of elliptic surfaces-II 16 Oct 2015 B 363 68 Elliptic surfaces 11 Mar 2016 O 374 69 Elliptic surfaces and Weierstrass theory 18 Mar 2016 B 375 70 Introduction to complex K3 surfaces 21 Oct 2016 B 382 71 K3 surfaces and lattices 4 Nov 2016 O 383 72 K3 lattice of a K3 surface 11 Nov 2016 B 384 73 On the moduli of K3 surfaces 24 Feb 2017 B 390 74 On the moduli of K3 surfaces-II 3 Mar 2017 O 391 75 K3 covers of Enriques surfaces 12 Oct 2018 B 426 76 Arf Rings I 22 Feb 2019 B 435 77 Arf Rings II 1 Mar 2019 O 436 78 From Calculus to Hodge 11 Dec 2020 Z 474 Müfit Sezer  Goto Top 1 Noether numbers for cyclic groups of prime order 11 Nov 2005 O 126 2 Grobner basis of ideals generated by minors of matrices of indeterminates 9 Nov 2007 O 172 3 Grobner basis of ideals generated by minors of matrices of indeterminates-II 16 Nov 2007 B 173 4 Separating invariants 9 May 2008 B 188 5 Toric ideals and partition identities 7 Nov 2008 B 196 6 Invariants of the Klein four group in characteristic two 16 Nov 2012 O 291 Serkan Sonel  Goto Top 1 Which K3 surfaces with Picard number $\rho(X)\leq 18$ doubtly cover Enriques surfaces 17 Nov 2017 B 408 2 K3 covers of Enriques surfaces with Picard rank 18 and 19 19 Oct 2018 O 427 3 on K3 surfaces covering an Enriques surface 6 Dec 2019 B 454 Serguei Stepanov  Goto Top 1 Codes on fibre products of Artin-Schreier curves 23 Nov 2001 B 37 Mesut Þahin  Goto Top 1 Roitman's theorem on complete intersections 25 Nov 2005 B 129 2 On some monomial curves that are set theoretic complete intersections 29 Sep 2005 B 146 3 Extending STCI property of monomial curves 18 May 2007 B 168 4 Extending certain properties of monomial curves 19 Oct 2007 B 169 5 Toric ideals of simple surface singularities 20 Mar 2009 B 209 6 On toric codes 23 Dec 2011 B 270 7 Affine toric varieties, cones, lattices, semigroup rings, toric ideals 4 Oct 2013 O 309 8 Fans, toric variety of a fan via gluing affine toric varieties, Orbit-Cone correspondence 11 Oct 2013 B 310 9 Projective toric varieties 6 Dec 2013 B 316 10 Coordinate ring of a toric variety I 20 Dec 2013 B 318 11 Coordinate ring of a toric variety II 27 Dec 2013 O 319 12 Toric varieties I 28 Feb 2014 B 320 13 Toric varieties II 7 Mar 2014 O 321 14 Toric varieties III 14 Mar 2014 B 322 15 Toric varieties IV 21 Mar 2014 O 323 16 Toric ideal-subscheme correspondence 28 Mar 2014 B 324 17 Multigraded Hilbert functions and toric complete intersection codes 1 4 Apr 2014 O 325 18 Multigraded Hilbert functions and toric complete intersection codes 2 11 Apr 2014 B 326 19 On pseudo symmetric monomial curves 18 Dec 2015 B 371 20 Lattice ideals and toric codes 7 Apr 2017 B 396 21 Vanishing ideals of parameterized toric varieties 24 Nov 2017 O 409 22 evaluation codes defined on subsets of a toric variety 26 Apr 2019 B 442 23 Rational points of subgroups inside a toric varietyover a finite field 13 Dec 2019 O 455 Nil Þahin  Goto Top 1 Singularity theory and Arf rings 21 Dec 2012 O 295 2 On pseudo symmetric monomial curves 14 Apr 2017 B 397 3 One dimensional Gorenstein local rings with decreasing Hilbert function 14 Dec 2018 B 434 4 k-sparse numerical semigroups 10 May 2019 B 444 Emre Þen  Goto Top 1 Chow groups of rational equivalence classes of cycles 23 Nov 2012 B 292 Berrin Þentürk Goto Top 1 Free Group Action on Product of 3 Spheres 9 Apr 2021 Z 486 Cem Tezer  Goto Top 1 Anosov diffeomorphisms: Revisiting an old idea 20 Nov 2015 B 367 Mustafa Topkara  Goto Top 1 Relating the enumeration of tropical curves to counting lattice paths 2 Apr 2004 B 95 Meral Tosun  Goto Top 1 Tyurina components 21 Dec 2001 B 41 2 A new root system and free divisors 19 Feb 2021 Z 479 Ýnan Utku Türkmen  Goto Top 1 Enumeration of Tropical Curves in R2 26 Mar 2004 O 94 2 The Griffiths component 3 Mar 2006 O 136 3 Lines on a cubic hypersurface 7 Apr 2006 B 141 4 Higher indecomposable Chow cycles and Hodge-D conjecture 19 Sep 2008 B 190 5 A brief introduction to higher Chow groups 24 Apr 2009 O 214 6 Introduction to algebraic K-theory 23 Oct 2009 B 221 7 Introduction to algebraic K-theory, II K1of rings 6 Nov 2009 O 222 8 Detecting indecomposable higher Chow cycles 12 Mar 2010 O 230 9 An indecomposable cycle on self product of sufficiently general product of two elliptic curves 12 Nov 2010 O 243 10 The de Rham and Dolbeaut operators 16 Mar 2012 B 275 Muhammed Uludað  Goto Top 1 The Universal Arithmetic Curve 15 May 2009 B 217 2 The groupoid of 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Z 468 Çetin Ürtiþ  Goto Top 1 Sphere packings, lattices and theta functions 6 Jan 2012 B 272 Davide Cesare Vaniani  Goto Top 1 Lines on K3 quartic surfaces 13 Feb 2015 B 349 2 An introduction to elliptic fibrations - part I : Singular fibres 6 Mar 2015 O 352 3 An introduction to elliptic fibrations - part I I : Mordell-Weil group and torsion sections 13 Mar 2015 B 353 4 Free involutions on ihs manifolds 12 Mar 2020 B 459 Hanife Varlý  Goto Top 1 Perfect discrete Morse functions on connected sums 20 Oct 2017 O 404 Ergün Yalçýn  Goto Top 1 The variety of the cohomology ring of a finite group 30 Nov 2001 O 38 2 Steenrod closed ideals in polynomial rings over Fp 22 Mar 2002 B 46 3 Varieties of Modules and a Theorem of Jon Carlson 3 Dec 2004 B 108 4 The top Stiefel-Whitney class of an augmented regular representation 24 Nov 2006 B 152 5 Serre's theorem in group cohomology 23 Feb 2007 B 158 6 A problem in commutative algebra related to group actions 19 Dec 2008 O 201 7 Wall's finiteness obstruction and its generalizations 13 Nov 2009 B 223 8 Koszul resolutions and the Lie algebra cohomology 30 Apr 2010 O 235 9 Productive elements in group cohomology 3 Dec 2010 B 245 10 The Lyndon-Hochschild-Serre spectral sequence 8 Apr 2011 B 255 11 Calculating the LHS-spectral sequence 15 Apr 2011 O 256 12 Group actions on spheres with rank one isotropy 23 Oct 2015 O 364 13 Moore spaces and the dade group 3 Nov 2017 B 406 Oðuz Yayla  Goto Top 1 The existnce theory of some objects in finite geometry 22 Dec 2017 O 413 Hamza Yeþilyurt  Goto Top 1 Rogers-Ramanujan functions 14 May 2010 B 237 Oðuzhan Yörük   Goto Top 1 Which K3 surfaces of Picard rank 19 cover an Enriques surface 2 Dec 2016 O 387 2 Which K3 surfaces doubly cover an Enriques surface 10 Nov 2017 O 407 3 Parity arguments on K3 covers of Enriques surfaces with Picard rank 19 26 Oct 2018 B 428 Remziye Arzu Zabun Goto Top 1 Topology of Real Schläfli Six-Line Configurations on Cubic Surfaces and in RP3RP3RP3RP3 19 Mar 2021 Z 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