**August 17, 2018 -**Rational Approximation to Functions Involvig Fractional Powers of Elliptic Operators, Joseph Pasciak, Texas A&M University, TX, US**July 3, 2018 -**A New 3D Visualization Method for Protein Structure Analysis , Yanzhen Hou, PhD Student at Beijing Institute of Technology (PR China)**March 29, 2018 -**Scalable search methods applied to heterogeneous numerical tasks, Kalin Penev, Southampton Solent University, UK**May 23, 2017 -**Monte Carlo Methods for Multidimensional Integrals and Integral Equations and Applications, Venelin Todorov, IICT-BAS (predefense)**April 25, 2017 -**From an Atom to a Transistor: Multi-scaled Simulations and Modelling of Novel Electronic Devices, Dr. Vihar Georgiev, University of Glasgow, UK**April 11, 2017 -**Energy and Time in 1000-dimensional Search, Kalin Penev, Southampton Solent University, UK**March 07, 2017 -**Monte Carlo Algorithms for Sensitivity Analysis of Mathematical Models, Assoc. Prof. Rayna Georgieva, IICT-BAS**January 05, 2016 -**Post-Learning Strategy and Evolutionary Architecture in Neural Networks, Kristina Kapanova, IICT-BAS**October 13, 2015 -**Optimal Monte Carlo Methods for Multidimensional Integrals and Integral Equations, Venelin Todorov, IICT-BAS**September 8, 2015 -**A computational investigation for the optimal reaction type and for geothermal effects concerning Biochemical Oxygen Demand (BOD) removal in horizontal subsurface constructed wetlands (CW), Konstantinos Liolios, IICT-BAS**April 21, 2015 -**Molecular Dynamics Simulations - Basic Concepts and Methods, Elena Lilkova, IICT-BAS**December 9, 2014 -**Epigraphical Projection for Solving Least Squares Anscombe Transformed Constrained Optimization Problems, Stanislav Harizanov, IICT-BAS**Oktober 27, 2014 -**On Some Applications of the Finite Element Method in Computational Fluid Mechanics, Mihail Galabov, PHD Student, IICT-BAS**June 10, 2014 -**PARALUTION - a Library for Iterative Sparse Methods on CPU and GPU, Dimitar Lukarski, Department of Information Technology, Division of Scientific Computing, Uppsala University, Sweden**May 16, 2014 -**An easy way to analyze saddle point preconditioning, Owe Axelsson, Institute of Geonics, ASCR, Ostrava-Poruba, Czech Republic**November 5, 2013**- Nonlinear Modes of Vibration of Beams and Plates, Pedro Ribeiro, University of Porto, Portugal**October 8, 2013**- On Scalability Behaviour of Monte Carlo Sparse Approximate Inverse and Hybrid Algorithms for Matrix Computations, Vassil Alexandrov, Barcelona Supercomputing Centre, Barcelona, Spain**March 26, 2013**- A comparison of iterative methods to solve complex valued linear algebraic systems, Owe Axelsson, Uppsala University, Sweden; KAU, Saudi Arabia; Academy of Sciences, Czech Republic**February 26, 2013**- Auxiliary space multigrid method for high-frequency high-contrast problems, Johannes Kraus, RICAM, Austrian Academy of Sciences, Linz, Austria**December 11, 2012**- Robust multilevel preconditioning of quadratic FE discretizations of anisotropic elliptic problems, Maria Lymbery, IICT-BAS, Bulgaria**November 29, 2012**- High-Performance Computing of Complex Flows Related to Turbulent Fluid Flow, Mixing and Combustion, Jordan A. Denev, Technical University of Sofia, Department of Hydroaerodynamics and Hydraulic Machines and Karlsruhe Institute of Technology, Engler-Bunte-Institute, Combustion Division, Germany**October 16, 2012**- Nonlinear Vibrations of 3D Beams, Stanislav Stoykov, IICT-BAS, Bulgaria**October 02, 2012**- Transport phenomena in flows of granular materials, Ivan C. Christov, Princeton University, USA**March 29, 2011**- Solution methods for the Cahn-Hilliard equation, Petya Boyanova, IICT-BAS, Bulgaria**March 15, 2011**- Finite Element Simulation for the Microscale Model of Li-ion Battery, Vassilena Nakova and Maxim Taralov, IICT-BAS, Bulgaria