There is no branch of mathematics, however abstract, which may not some day be applied to phenomena of the real world.
Nikolai Ivanovich Lobachevsky
YAKLAŞAN SEMİNERLER
Boğaziçi University Mathematics Colloquium
A new obstruction for Sasaki-extremal metrics
Craig van Coevering, Boğaziçi University
A Sasakian manifold is a metric contact manifold which is an odd dimensional version of a Kähler manifold. As with Kähler manifolds, an important problem is the existence of a canonical Sasakian metric, such as Einstein or constant scalar curvature. These are known not to exist in many cases. In particular, the Futaki invariant obstructs constant scalar...Detay »
İstanbul University Department Seminars
Weighted Dirichlet spaces and Q^p
Gökhan Göğüş, Sabancı University
We investigate Dirichlet spaces with superharmonic weights on the open unit disk. Carleson measures characterization on these spaces will be explained. We also characterize the boundedness and compactness of composition operators on these spaces. There is a relation with Möbius invariant spaces of analytic functions. What we know and what can be investigate...Detay »
Middle East Technical University Department Seminars
Constructions of Cyclic Subspace Codes and Maximum Rank Distance Codes
Kamil Otal, METU
This talk is a survey of the recent results on the constructions of cyclic subspace codes and maximum rank distance codes. Linearized polynomials are the main tools used to introduce both constructions. This is a joint work with Ferruh ÖzbudakDetay »
Mimar Sinan Fine Arts University Department Seminars
Parallel Incremental Optimization Algorithm for Solving Partially Separable Problems in Machine Lear ...
İlker Birbil, Sabancı University
Consider a recommendation problem, where multiple firms are willing to cooperate to improve their rating predictions. However, the firms insists on finding a machine learning approach, which guarantees that their data remain in their own servers. To solve this problem, I will introduce our recently proposed approach HAMSI (Hessian Approximated Multiple Subse...Detay »
Gebze Technical University Department Seminars
Subspaces and Dense Manifolds of Disjoint Hypercyclic Vectors
Özgür Martin, Mimar Sinan Fine Arts University
Contrary to popular belief, linear dynamical systems can be chaotic. However, in order to find an example of a chaotic linear map, one needs to work on infinite-dimensional metric spaces. We will make an introduction to Linear Dynamics, which is a new and active branch of Functional Analysis, and we will answer a question of H. Salas about subspaces and dens...Detay »
Middle East Technical University ODTÜ-BİLKENT Algebraic Geometry Seminars
Algebraic surfaces in CP^3
Çisem Güneş Aktaş, Bilkent University
In this talk we give a deeper insight into the theory of K3-surfaces, which essentially boils down to the global Torelli theorem, subjectivity of period map and Riemann Roch theorem (for example, we conclude that all singular points of a K3-surface have to be simple ones). After recalling principle properties of K3-surfaces, we explain the arithmetical reduc...Detay »
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