Past Colloquium Talks

( r: research seminar)

2022
06 January, 2022	Giray Ökten - Florida State University - Polynomial chaos and Monte Carlo

2021
13 January, 2021	John Pike - Bridgewater State University - Double jump phase transition in a soliton cellular automaton

2020
11 March, 2020	Richard Gonzales - Pontificia Universidad Catolica del Peru - Equivariant Operational Theories and the Localization Principle
9 January, 2020	Mehmet Kıral - Sofia University - Kloosterman Sums for SL3 long word element

2019
25 December, 2019	Özgür Bayındır - University of Haifa - DGAs with polynomial homology
4 December, 2019	Mohammad Sadek - Sabanci University - Counting (hyper)elliptic curves with a given discriminant
20 November, 2019	Olcay Coşkun - Bogazici University - The functor of p-permutation modules
13 November, 2019	Mohan Ravichandran - Bogazici University - Generalized Permutohedra: Ehrhart Positivity and Minkowski Additive Valuations
6 November, 2019	Matias Courdurier - Pontificia Universidad Catolica de Chile - An Inverse Problem in Fluorescence Microscopy
30 October, 2019	Murat Tuncalı - Nipissing University - Countable Rank Maps
23 October, 2019	Yasemin Kara - Bogazici University- Asymptotic Generalized Fermat's Last Theorem over Number Fields
16 October, 2019	José Luis Cisneros-Molina - UNAM- Invariants of Hyperbolic 3-manifolds in Relative Group Homology
7 August, 2019	Izzet Coskun - University of Illnois at Chicago- The geometry of moduli spaces of sheaves on surfaces
10 July, 2019	Ozlem Ejder - Colorado State University- Sporadic Points on Modular Curves
12 June, 2019	Saadet Oyku Yurttas - Dicle University - Algorithms for braids and multicurves with Dynnikov coordinates
29 May, 2019	Deniz Ali Kaptan - Alfred Renyi Institute - Small Gaps Between Primes in Arithmetic Progressions
20 May, 2019 r	Basak Gürel - University of Central Florida - From Hamiltonian systems with infinitely many periodic orbits to pseudo-rotations via symplectic topology
8 May, 2019	Emrah Sercan Yilmaz - Bogazici University - Counting Points on Curves and Irreducible Polynomials over Finite Fields
17 April, 2019	Ezgi Kantarci - Sabanci University - A Queer Crystal Structure on Shifted Tableaux
3 April, 2019	Sümeyra Sakalli - Max Planck Institute for Mathematics - Surgeries and Exotica in Dimension Four
27 March, 2019	Ömer Kücüksakalli - Middle East Technical University - Arithmetically exceptional polynomial mappings
20 March, 2019	Ali Devin Sezer - Middle East Technical University - Approximation of the Exit Probability of a Stable Markov Modulated Constrained Random Walk

2018
26 December, 2018	Souaad Lazergui - University of Mostaganem (UMAB), Algeria - High frequency asymptotic of the Kirchhoff amplitude for convex obstacles
31 October, 2018	Nurettin Ergün - Marmara University - The Reed & Zenor Theorem
12 October, 2018	Eknath Ghate - Tata Institute of Fundamental Research, School of Mathematics, Mumbai - The Tau of Ramanujan
10 October, 2018	Christian Houdre - Georgia Institute of Technology - On the Limiting Shape of Young Diagrams Associated With Markov Random Words
26 September, 2018	Mehmet Akif Erdal - Bilkent University - Equivariant model structures via orbit spaces
2 May, 2018	Müge Kanuni - Düzce University - Leavitt path algebras: A taste for all?
25 April, 2018	Sibel Şahin - Mimar Sinan Fine Arts University - An Introduction to Toric Pluripotential Theory
11 April, 2018	Roghayeh Hafezieh - Gebze Technical University - The Influence of Irreducible Character Degrees on Group Structures via Associated Graphs
4 April, 2018	Muhammed Uludağ - Galatasaray University - Mapping Class Grupoids and Thompson's Groups
28 March, 2018	Fatih Demirkale - Orthogonal Arrays; Enumeration and Applications
21 March, 2018	Sibel Özkan - Gebze Technical University - Extending Partial Latinized Rectangles.
14 March, 2018	Garth H.Dales - Manchester University - The hyper-Stonean envelope of a compact space.
7 March, 2018	Can Kozcaz - Bogazici University - Refined topological vertex and its different applications.
28 February, 2018	Benjamin Matschke - Koc University - On inscribing quadrilaterals into Jordan curves.
14 February, 2018	Burak Gürel - Bogazici University - Smoothing for Dispersive PDE.
10 January, 2018	Mehmet Burak Erdoğan - University of Illinois Urbana-Champaign - Fractal Solutions of Dispersive PDE.
2017
13 December, 2017	İlker Arslan - Characterization of the potential smoothness of one-dimensional dirac operator and its Riesz basis property.
6 December, 2017	Deniz Karlı - Işık University - Singular Integral Operators by Means of Stable Processes and their Connection to Fractional Derivatives.
22 November, 2017	Atabey Kaygun - İstanbul Technical University - Distributive Laws and Unramified Graph Coverings.
15 November, 2017	Giorgos Kapetanakis - Sabancı University - Prescribing coefficients of invariant irreducible polynomials.
8 November, 2017	Ayhan Günaydın - Boğaziçi University - Topological Study of Pairs of Algebraically Closed Fields.
25 October, 2017	Craig van Coevering - Boğaziçi University - A new obstruction for Sasaki-extremal metrics.
18 October, 2017	Turgay Bayraktar - Sabancı University - Universality principles for zeros of random polynomials.
11 October, 2017	Kaan Kurşungöz - Sabancı University - Andrews and Bressoud Style Identities for Partitions and Overpartitions.
4 October, 2017	Mine Çağlar - Koç University - Planar Brownian Flows and Rank-Based Characteristics.
26 April, 2017	Marek Golasinski - University of Warmia and Mazury, Poland - Real analytic and entire functions.
12 April, 2017	Sinem Celik Onaran - Hacettepe University - Contact Surgery on Contact 3-manifolds.
5 April, 2017	Flavio D'Alessandro - Sapienza Università di Roma - On the counting and growth functions of context-free languages.
29 March, 2017	Handan Yildirim - Istanbul University - On extended Legendrian dualities and their applications.
22 March, 2017	Ismail Guloglu - Dogus University - Groups of Automorphisms with TNI-centralizers.
15 March, 2017	Konstantinos Tyros - Koç University - Some Density Ramsey type results.
1 March, 2017	Özlem Beyarslan - Boğaziçi University - Geometric Representation in the Theory of Pseudofinite Fields.
22 February, 2017	Mohan Ravichandran - Mimar Sinan Fine Arts University - Kadison-Singer redux.
2016
7 December, 2016	Cüneyt Ferahlar - Lehigh University - Vanishing Theorems on a compact complex manifold and applications to the Hopf Conjecture and the existence of complex structure on the 6-sphere.
23 November, 2016	Ayesha Asloob Qureshi - Sabancý University - Algebraic Structures Arising from Isotonian Maps between Posets.
16 November, 2016	Jens Hoppe - KTH Stockholm - From Minimal Surfaces to Quantum Geometry.
9 November, 2016	Mustafa Topkara - Mimar Sinan Fine Arts University - Decomposability of Fiber Bundles.
19 October, 2016	H. G. Dales - Lancaster University - Algebras sitting on Stone–Cech compactifications.
12 October, 2016	Murad Ozaydin - University of Oklahoma - The Obituary for the Holy Grail of Topological Combinatorics.
4 May, 2016	Yusuf Danisman - Mevlana University - Representation Theory of Matrix Groups over Non-archimedean Local Fields.
13 April, 2016	Ali Ulger - Boğaziçi University - Sets of Spectral Synthesis: A Short Survey and Some Recent Results.
30 March, 2016	Maria Esteban - Université Paris-Dauphine - Nonlinear flows and optimality for functional inequalities.
23 March, 2016	Ayberk Zeytin - Galatasaray University - Arithmetic of quadratic extensions.
16 March, 2016	Enver Ozdemir - Informatics Institute, ITU - Computing in the Jacobians of Nodal Curves.
9 March, 2016	Ayten Koc - Istanbul Kültür University - Representations of Leavitt Path Algebras.
2 March, 2016	Elcim Elgun - Lakehead University - The Eberlein Compactification of the Heisenberg Type Group ZxTxT.
17 February, 2016	Mohan Ravichandran - Mimar Sinan Fine Arts University - The van der Waerden conjecture and real stable polynomials.
2015
30 December, 2015	E. Mehmet Kiral - Texas A&M University - The Voronoi formula and double Dirichlet series.
23 December, 2015	Hatice Boylan - Istanbul University - 22 matrices of determinant 1 and its finite dimensional representations.*
16 December, 2015	Ergun Yalcin - Bilkent University - Finite group actions on spheres.
9 December, 2015	Ugur Madran - Izmir University of Economics - Recent developments in invariant theory.
25 November, 2015	Tolga Etgu - Koc University - Simply laced Dynkin diagrams.
18 November, 2015	Laurence J. Barker - Bilkent University - Algebras associated with Green functors, and algebras that ought to be associated with Green functors.
11 November, 2015	Kivanc Ersoy - Mimar Sinan Fine Arts University - Finite groups with splitting automorphisms.
4 November, 2015	Matthew Gelvin - Bilkent University - Minimal characteristic bisets of fusion systems.
21 October, 2015	Baris Coskunuzer - Koc University - Geometrik topoloji ve bir milyon dolar.
14 October, 2015	Ipek Tuvay - Mimar Sinan Fine Arts University - The effect of Clifford theory on multiplicity modules.
7 October, 2015	Alexandre V. Borovik - University of Manchester - One-way Algebra.
10 June, 2015	Kellogg Stelle - Imperial College - Spherically symmetric solutions in higher derivative gravity.
13 May, 2015	Burak Ozbagci - Koc University - Open books and contact structures.
6 May, 2015	Christophe Ritzenthaler - University Rennes 1 - Plane quartics.
29 April, 2015	Zafeirakis Zafeirakopoulos - National and Kapodistrian University of Athens - Polyhedral Omega: A linear Diophantine system solver.
8 April, 2015	George Moutsopoulos - Boðaziçi University - Non-geometric backgrounds of string theory.
1 April, 2015	Hakan Gunturkun - Gediz University - Linear tropicalizations.
25 March, 2015	Henning Stichtenoth - Sabanci University - Asymptotic bounds for codes.
4 March, 2015	Richard Gonzales - Heinrich-Heine-Universitat Dusseldorf - Understanding algebraic varieties through group actions.
25 February, 2015	Peter Paule - Research Institute for Symbolic Computation, Johannes Kepler University Linz - The concrete tetrahedron in algorithmic combinatorics.
11 February, 2015	Kagan Kursungoz - Sabanci University - Radial limits of partial theta and similar series.
14 January, 2015	Olgur Celikbas - University of Connecticut - Vanishing of Tor, and depth properties of tensor products of modules.
2014
24 December, 2014	Mehmet Haluk Sengun - University of Sheffield - Asymptotics of torsion homology of hyperbolic 3-manifolds.
17 December, 2014	Debasis Sen - Indian Institute of Technology Kanpur, India - Realizing homotopy group actions.
26 November, 2014	Ozgur Martin - Mimar Sinan Fine Arts University - Disjoint supercyclic weighted shifts.
19 November, 2014	Dieter Van Den Bleeken - Boðaziçi University - Blackholes under microscope
12 November, 2014	Michel Lavrauw - University of Padova - Finite non-associative division algebras: semifields
22 October, 2014	Serkan Sutlu, Hopf-cyclic cohomology of quantum enveloping algebras
15 October, 2014	Kazim Buyukboduk - Koc University - An Asymptotic Birch and Swinnerton-Dyer Conjecture
4 June, 2014	Song-Sun Lin - National Chiao Tung University - Hsinchu, Taiwan - Pattern generation problems arising in multiplicative integer systems
28 May, 2014	Thomas Scanlon - UC Berkeley - Algebraic differential equations for analytic covering maps
14 May, 2014	Alp Eden - Boğaziçi University - Cumhuriyetin İlk Matematikçileri: Kerim Erim, Ratip Berker ve Cahit Arf
7 May, 2014	Ryan O'Donnell - Carnegie Mellon University - Testing surface area
30 April, 2014	Stephan Garcia - Pomona College - Supercharacters and their super powers
16 April, 2014	Ayhan Günaydın - Mimar Sinan Fine Arts University - Uniform Versions of the Mordell-Lang Conj. for Multip. Groups
2 April, 2014	Bruno Poizat - Lyons 1 – Supergeneric subsets of a group
19 March, 2014	İsmet Yurduşen - Hacettepe University - Superintegrability with spin
19 February, 2014	Boumediene Hamzi - Yıldız Technical University - On Control and Random Dynamical Sys. in Reprod. Kernel Hilbert Spaces
3 January, 2014	E. Mehmet Kıral - Brown University - Subconvexity bounds for L functions of halfintegral weight modular forms
2013
11 December, 2013	Raytcho Lazarov - Texas A&M University - Galerkin FEM for time-dependent inhomogeneous fractional diffusion equations
4 December, 2013	Özgün Ünlü - Bilkent University - Equivariant Homotopy Diagrams
27 November, 2013	Evgenii Bashkirov - Fatih University - On subgroups of the group GL7 over a field
20 November, 2013	Ehud Hrushovski - The Hebrew University of Jerusalem - Between Model Theory and Additive Combinatorics
30 October, 2013	Peter J. Sternberg – Indiana University - Rotating Vortex Solutions to Gross-Pitaevskii on S2
23 October, 2013	Emre Mengi - Koç University - Numerical Optimization of Eigenvalues of Hermitian Matrix-Valued Functions
2 October, 2013	Garth Dales - Lancaster University - Finitely-generated maximal left ideals in Banach algebras
3 July, 2013	Raffaella Servadei - University of Calabria (Italy) - Elliptic non-local fractional equations
12 June, 2013	Cagri Karakurt - University of Texas at Austin - Exotic smooth structures and corks of 4-manifolds
12 June, 2013	Ekin Ozman - University of Texas at Austin - Rational Points on Modular Curves and Obstruction Problems
15 May, 2013	Faruk Temur - University of Illinois at Urbana-Champaign - Restriction Estimates for the Fourier Transform
19 April, 2013	Enver Ozdemir - Nanyang Technological University (Singapore) - Detecting prime numbers
17 April, 2013	Zubeyir Cinkir - Zirve University - Metrized Graphs for Arithmetic Geometry
3 April, 2013	Ludomir Newelski - The Mathematics Institute of University of Wroclaw - Topological Methods in Model Theory
27 March, 2013	Mohan Ravichandran - Bilgi University - Diagonals of operators and convexity in operator algebras

2012
26 December, 2012	Flavio d'Alessandro - University of Rome La Sapienza - Synchronizing automata and the hybrid Cerny-Road coloring Problem
28 November, 2012	Alp Bassa - Sabanci University - How many rational points can a high genus curve over a finite field have?
16 November, 2012	Willam D. Gillam - ETH Zurich - Degeneration techniques in algebraic geometry and topology
7 November, 2012	Muazzez Simsir - Hitit University - Affine manifolds and harmonic maps
10 October, 2012	Giray Okten - Florida State University - The Story of RASRAP
3 October, 2012	Joel Spencer - Courant Institue, NYU - Discrete Percolation
19 September, 2012	Robert Boltje - University of California Santa Cruz - The (double) Burnside ring of a finite group
6 June, 2012	Olcay Coskun - Bogazici Univeristy - Tower Tableaux
9 May, 2012	Ayse Berkman - Mimar Sinan Guzel Sanatlar Universitesi - Multiply transitive group actions
18 April, 2012	Sinan Unver - Koc University - Periods and motives
11 April, 2012	F. Alberto Grunbaum - University of California, Berkeley - Soliton mathematics as a unifying force
28 March, 2012	Ofer Zeitouni - Weizmann Institute of Science - Maxima of Gaussian free fields and branching random walks
21 March, 2012	Aybike Catalozer - Istanbul Technical University - A massive S-duality in four dimensions

2011
28 December, 2011	Martin Hils - Universite Paris 7 - Finite rank expansions of fields
21 December, 2011	Onur Gun - Weierstrass Institute - Trap models and aging for spin glasses
14 December, 2011 r	Saadet Oyku Yurttas - Dicle University - Study of pseudo-Anasov braids using Dynnikov's coordinates
7 December, 2011	Rahmi Guven - Bogazici University - Observations and Interactions between Geometry and Physics
30 November, 2011	Giorgi Khimshiashvili - Ilia State University (Georgia) - Geometry and topology of polygonal linkages
2 November, 2011	Sahin Kocak - Anadolu Universitesi - Politoplar? i?t? hacimleri
26 October, 2011 r	Tolga Karayayla - Bogazici Universitesi - Automorphism groups of rational elliptic surfaces with section
19 October, 2011	Anthony Lau - University of Alberta - Fourier algebra and group von Neumann algebra
12 October, 2011 r	Richard Gonzales - Bogazici Universitesi - GKM theory of certain group embeddings
5 October, 2011	Serban Stratila - Institute of Mathematics of the Romanian Academy - The fundamental theorem of analysis
10 August, 2011	Kellogg S. Stelle - Imperial College, London - Gravity and unification: Hints from microphysics and cosmology
8 June, 2011	Theodora Bourni - Max Planck Institute for Gravitational Physics, Potsdam - Curvature estimates for surfaces with bounded mean curvature
25 May, 2011	Aurelian Gheondea - Bilkent Universitesi - Some noncommutative Lebesgue-Radon-Nikodym decompositions
18 May, 2011	Kemal Ilgar Eroglu - Bilgi Universitesi - Measure and dimension results for sums of Cantor sets
11 May, 2011	Burak Erdogan - University of Illinois at Urbana-Champaign - Global smoothing for Korteweg de Vries equation with periodic boundary conditions
4 May, 2011	Ferruh Ozbudak - ODTU - Quadratics forms in even characteristics and maximal/minimal curves over finite fields
20 April, 2011 r	Ayse Altıntas - Yildiz Teknik Universitesi - Examples of finitely determined map-germs
13 April, 2011	Burak Ozbagci - Koc Universitesi - Milnor fillable contact structures are universally tight
6 April, 2011	Ergun Yalcin - Bilkent Universitesi - Fusion systems and constructions of finite groupactions on products of spheres
16 March, 2011	Husnu Erbay - Isik Universitesi - Global existence and blow-up results for nonlocal nonlinear wave equations
9 March, 2011	Ali Ulger - Koc Universitesi - Sets of uniqueness for the trigonometric series

2010
5 January, 2011 r	Elcim Elgun - Idempotents in the Eberlein compactification of locally compact abelian groups
29 December, 2010 r	Ali Gokturk - Brown University - Comparison of Teichmuller geodesics and Weil-Petersson geodesics
22 December, 2010	Nick Bezhanishvili - Imperial College London - Topological bisimulations
15 December, 2010	Michele Vergne - Institut de Mathematiques de Jussieu - Atiyah-Bott index theorem and locally polynomial functions
1 December, 2010	Metin Arik - Bogazici Universitesi Fizik - Construction of a Hopf algebra as the quantum invariance group of an algebra
10 November, 2010 r	Asli Pekcan - On Darboux integrability of semi-discrete hyperbolic type
3 November, 2010	Aybike Ozer - Istanbul Teknik Universitesi - Postponed
20 October, 2010	Christophe Eyral - University of Aarhus - A short introduction to Lefschetz theory on the topology of algebraic varieties
13 October, 2010	Zafer Ercan - Bolu Izzet Baysal Universitesi - Some recent results on Banach Stone Theorem for Banach lattice valued continuous functions
22 September, 2010	Kazim Buyukboduk - Koc Universitesi - Zeta-functions and arithmetic
3 August, 2010	Allan P. Fordy - University of Leeds - Integrable maps and Poisson algebras derived from cluster algebras
21 July, 2010 r	Baver Okutmustur - Universite de Pierre et Marie Curie - Finite volume methods for nonlinear hyperbolic conservation laws on manifolds
7 July, 2010	Yevhen Zelenyuk - University of the Witwatersrand - Regular idempotents in Î²G
5 July, 2010	Basak Gurel - Vanderbilt University - Action and index spectra and periodic orbits of hamiltonian systems
2 July, 2010	Robert Boltje - UC Santa Cruz - On the depth of subgroups
30 June, 2010	Ali Gokturk - Brown University - When do Teichmuller geodesics fellowtravel WP geodesics?
3 June, 2010	Atilla Yilmaz - UC Berkeley - Large Deviations for Random Walk in a Random Environment
12 May, 2010	Sinem Celik Onaran - Bogazici Universitesi - Legendrian knots and open book decompositions
21 April, 2010	Cem Guneri - Sabanci Universitesi - Some applications of curves over finite fields
7 April, 2010	Robin Wilson - Open University, UK - Leonhard Euler 300 years on
31 March, 2010	Matias Courdurier - Pontificia Universidad Catolica de Chile - Computed tomography and inversion formulas with incomplete measurements
24 March, 2010	Turker Biyikoglu - Isik Universitesi - Extremal eigenvalues of graphs

Son Güncelleme: 16:23:36 - 11.04.2025