ODTUBilkent Algebraic Geometry Seminars
since September 2000
Total number of talks so far is 434
Legend of the last three columns: Date  talk given at
ODTU/Bilkent  order of talk in the series
Kürşat 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 
Ersan Akyıldız Goto Top  
1  Group actions and cohomology of homogeneous spaces  7 Dec 2001  O  39 
2  Group actions and cohomology of homogeneous spacesII  1 Mar 2002  O  43 
3  Group actions and cohomology of homogeneous spacesIII  8 Mar 2002  O  44 
4  On the Factorization of Poincare Polynomials  20 Dec 2002  O  64 
Selma Altınok 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  CayleyBacharach Theorems  29 Mar 2002  B  47 
4  Arf rings and index of regularity  6 Oct 2006  O  147 
5  Standard bases and CohenMacaulayness  26 Oct 2007  O  170 
Lucian Badescu Goto Top  
1  An introduction to the algebrogeometric
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 
Ahmet Beyaz Goto Top  
1  Genus zero GromovWitten invariants  2 Dec 2011  O  267 
Kazım 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 Coşkun 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 curvesI  10 Oct 2014  B  337 
9  Compact Riemann surfaces and algebraic curvesII  17 Oct 2014  O  338 
10  Compact Riemann surfaces and algebraic curvesIII  24 Oct 2014  B  339 
11 
The Beilinson spectral sequence 
24 Mar 2017 
B 
394 
12 
Serre's GAGAI 
9 Nov 2018 
B 
430 
13 
Serre's GAGAII  16 Nov 2018 
O 
431 
14 
Serre's GAGAIII  23 Nov 2018 
B 
432 
İzzet Coşkun 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 DeligneLusztig Curve of Ree type  13 Dec 2002  B  63 
Münevver Çelik Goto Top  
1  Calculating Alexander polynomials  27 Mar 2009  O  210 
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  Ktheoretic and cohomological methods  25 Mar 2005  B  117 
9  Ktheoretic and cohomological methodsII  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 nonabelian 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  LeraySerre spectral sequence I  18 Mar 2011  B  253 
21  LeraySerre 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 surfacesI  26 Sep 2014  B  335 
29  Lines on surfacesII  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 
SkeletonsII 
4 Mar 2016 
B 
373 
34 
Trigonal curves and monodromy  25 Mar 2016 
O 
376 
35 
Trigonal curves and monodromyII  1 Apr 2016 
B 
377 
36 
Trigonal curves and monodromyIII  15 Apr 2016 
B 
378 
37 
Trigonal curves and monodromyfurther
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 
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 
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 
Aslı Güçlükan Goto Top  
1  Vector bundles and their classification  2 Oct 2009  B  218 
2  Introduction to topological Ktheory  9 Oct 2009  B  219 
3  The topological index B  20 Apr 2012  B  280 
Rabia Gülşah Goto Top  
1 
BrauerManin obstruction 
4 May 2018 
O 
424 
Çisem Güneş 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 formsI 
5 May 2017 
O 
400 
4 
An introduction to Nikulin's theory of discriminants formsII  12 May 2017 
O 
401 
5 
Algebraic surfaces in $\mathbb{CP}^3$ 
27 Oct 2017 
O 
405 
Hakan Güntürkün Goto Top  
1  NonArchimedean Amoebas  30 Apr 2004  B  97 
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 selfdual 4manifolds  29 Dec 2006  O  157 
2  Hyperkahler manifolds with circle actions and the GibbonsHawking Ansatz  10 Dec 2010  O  246 
3  Geometric invariant theory and EinsteinWeyl geometry  9 Dec 2011  B  268 
4  The Hodge operator  23 Mar 2012  O  276 
5  EinsteinHermitian 4manifolds 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  313  
10  Blow ups. Resolution of Singularities. Torus action. Orbits. Divisors  III  15 Nov 2013  314  
Koray Karabina Goto Top  
1  Elliptic curve discrete logarithm problem  26 Apr 2013  O  305 
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 
Ebru Keyman Goto Top  
1  Braids with multiple points  15 Nov 2002  O  60 
Ali Ulaş Özgür Kişisel 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 RelationsII  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 AbelJacobi Mapping for HypersurfacesI  19 Dec 2003  B  89 
15  The Infinitesimal AbelJacobi Mapping for HypersurfacesII  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 surfacesII  11May2007  O  167 
27  Introduction to Spectral Curves  22 Feb 2008  B  179 
28  Applications to nonlinear equations  4 Apr 2008  O  184 
29  Applications to nonlinear equationsII  11 Apr 2008  B  185 
30  Applications to nonlinear equationsIII  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 CurvesI 
10 Mar 2017 
B 
392 
41 
Tropical CurvesII 
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 
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 differentialsII, 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  KahlerEinstein 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 MongeAmpere 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 BachMaxwell equations  3 June 2014  B  334 
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 
Çağatay Kutluhan Goto Top  
1  Counting Curves via Lattice Paths in Polygons  19 Mar 2004  B  93 
Ömer Küçüksakallı Goto Top  
1  Frey curves and Fermat's last theorem  8 Oct 2010  O  240 
Franz Lemmermayer Goto Top  
1  Values of polynomials over F_{p}  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 
Huishi Li Goto Top  
1  Some noncommutative quadric algebras  29 Nov 2002  B  63 
Uğur 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 nonisolated fixed point set 
8 Dec 2017 
O 
411 
Pınar 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 
Yıldıray 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 HypersurfacesII  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  Jholomorphic curves in the study of symplectomorphism groups of symplectic 4manifolds  10 Apr 2009  O  212 
27  On Bott's periodicity theorem  16 Oct 2009  O  220 
28  Algebraic Ktheory 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 
Turgut Önder Goto Top  
1  Equivariant Almost Complex Substructures on Manifoldsan update and the techniques involved  25 Oct 2002  O  57 
2  Foliations on 4manifolds 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 
Hurşit 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  CayleyBacharach property revisited  5 Apr 2002  O  48 
7  Vanishing Theorems  18 Oct 2002  O  56 
8  The AbelJacobi mapping  10 Oct 2003  B  81 
9  Properties of the AbelJacobi mapping  17 Oct 2003  O  82 
10  Hodge Theory and Algebraic CyclesI  1 Oct 2004  O  100 
11  Hodge Theory and Algebraic CyclesII  8 Oct 2004  O  101 
12  0cycles on open surfaces, I  25 Feb 2005  O  113 
13  0cycles 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 Özbağcı Goto Top  
1  Topology of Stein domains  22 Nov 2002  O  61 
Ferruh Özbudak Goto Top  
1  Improvements on TsfasmanVladutZink 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 
Mehmetcik Pamuk Goto Top  
1  4manifolds with free fundamental group  24 Oct 2008  B  194 
2  scobordism classification of 4manifolds  26 Nov 2010  O  244 
3  An application of AtiyahHirzebruch 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 
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 
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 antiinvariant 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 motivesII  9 Dec 2005  O  130 
22  Introduction to pure motivesIII  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  K_{0 }and K_{1 }of categories  4 Dec 2009  O  224 
41  GrothendieckRiemannRoch 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  AtiyahSinger Index TheoremPreliminaries  2 Mar 2012  B  273 
49  AtiyahSinger Index TheoremMotivation 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 IVlast  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 theoremI  12 Dec 2014  O  346 
58  Belyi's theoremII  19 Dec 2014  B  347 
59  Belyi's theoremIII  26 Dec 2014  O  348 
60  Belyi's theoremIV  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
surfacesI 
9 Oct 2015 
O 
362 
67 
The basic theory of elliptic surfacesII  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 surfacesII  3 Mar 2017 
O 
391 
75 
K3 covers of Enriques surfaces 
12 Oct 2018 
B 
426 
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 indeterminatesII  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 
Serguei Stepanov Goto Top  
1  Codes on fibre products of ArtinSchreier curves  23 Nov 2001  B  37 
Mesut Şahin 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, OrbitCone 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 idealsubscheme 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 
Nil Şahin 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 
Emre Şen Goto Top  
1  Chow groups of rational equivalence classes of cycles  23 Nov 2012  B  292 
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 
İnan 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 HodgeD conjecture  19 Sep 2008  B  190 
5  A brief introduction to higher Chow groups  24 Apr 2009  O  214 
6  Introduction to algebraic Ktheory  23 Oct 2009  B  221 
7  Introduction to algebraic Ktheory, II K_{1}of 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 Uludağ Goto Top  
1  The Universal Arithmetic Curve  15 May 2009  B  217 
2  The groupoid of orientation twists  5 Nov 2010  B  242 
Ali Kemal Uncu Goto Top  
1  Modular symbols on congruence subgroups of SL2(Z)  16 Apr 2010  O  234 
Melih Üçer Goto Top  
1 
MiyaokaYau inequality in higher dimensions 
27 Apr 2018 
O 
423 
Özgün Ünlü Goto Top  
1  On BuchsbaumEisenbudHorrocks conjecture  23 Nov 2007  O  174 
2  Steenrod operations and transformation groups  26 Dec 2008  B  202 
3  Spheres which are Hspaces  11 Dec 2009  B  225 
4  Homologically trivial group actions on products of spheres  7 May 2010  B  236 
5  AtiyahHirzebruch spectral sequence  22 Apr 2011  B  257 
6  Construction of the index homomorphism  4 May 2012  B  282 
7 
Free group actions on products of spheres 
6 Nov 2015 
B 
365 
8 
Semicharacteristic classes 
28 Apr 2017 
B 
399 
9 
The HalperinCarlsson conjecture 
15 Dec 2017 
B 
412 
Çetin Ürtiş 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 : MordellWeil group and torsion sections  13 Mar 2015  B  353 
Hanife Varlı Goto Top  
1 
Perfect discrete Morse functions on
connected sums 
20 Oct 2017 
O 
404 
Ergün Yalçın 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 F_{p}  22 Mar 2002  B  46 
3  Varieties of Modules and a Theorem of Jon Carlson  3 Dec 2004  B  108 
4  The top StiefelWhitney 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 LyndonHochschildSerre spectral sequence  8 Apr 2011  B  255 
11  Calculating the LHSspectral 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 
Oğuz Yayla Goto Top  
1 
The existnce theory of some objects in
finite geometry 
22 Dec 2017 
O 
413 
Hamza Yeşilyurt Goto Top  
1  RogersRamanujan functions  14 May 2010  B  237 
Oğuzhan 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 