Department of Mathematics and Systems Analysis

Department of Mathematics and Systems Analysis

The five main research areas of the Department are: algebra and discrete mathematics; analysis; applied mathematics and mechanics; stochastics and statistics; systems analysis and operations research. We offer major and minor studies at the bachelor's and master's level and provide doctoral research training. Our graduates have been recruited by universities, research institutes, governmental agencies as well as companies in the financial, energy and transportation sectors, for instance.

Calendar

21.2. 10:15  Riikka Kangaslampi: Graph Curvature – M237

22.2. 12:15  Aleksis Koski (University of Jyväskylä): Nonlinear Beltrami equations: Improved regularity – M3 (M234)

22.2. 15:15  Ivo Kubjas: Two-Party Function Computation – M3 (M234)

28.2. 15:15  Eero Saksman (University of Helsinki): – M1 (M232)

1.3. 12:15  Clifford Gilmore (University of Helsinki): TBA – M3 (M234)

7.3. 10:15  Amaro Barreal: Lattices for physical layer network coding – M205

7.3. 10:40  Lauri Perkkiö: Differential material parameter in finite element analysis – M205

7.3. 15:15  Ferdinand Blomqvist: The closest vector problem in high dimension – M203

7.3. 15:40  Antti Ojalammi: On exterior acoustics and speech modelling – M203

7.3. 16:15  Tiina Vesanen: Numerical aspects of multicentric calculus – M203

7.3. 16:40  Diana Apetrei : Advances in multicentric calculus – M203

8.3. 14:40  Juha Kuortti: Spectral characteristics of the vocal tract – M205

8.3. 15:00  Prof. Kaie Kubjas (Aalto): Matrices, photos and Netflix – TU1

8.3. 15:15  Anna-Lena Horlemann-Trautmann: TBD – M3 (M234)

8.3. 15:15  Vesa Kaarnioja: On the structure and eigenvalues of lattice-theoretic tensors – M205

8.3. 15:40  Lauri Mustonen: Surrogate models and computational inverse problems – M205

8.3. 16:15  Mikael Laaksonen: Spectral inverse iteration for stochastic eigenvalue problems – M205

8.3. 16:40  Tom Gustafsson: Numerical methods for lubrication and elastic contact – M205

9.3. 10:15  Mikko Harju: Spatial decision analysis with incomplete information – M205

9.3. 10:40  Pekka Laitila: Facilitating expert elicitation of probabilities for Bayesian networks – M205

9.3. 11:15  Heikki Puustinen: Network optimization and simulation in military air mission planning – M205

9.3. 11:40  Anton von Schantz: Modeling crowd dynamics in an evacuation as a multiagent system – M205

9.3. 13:15  Yrjänä Hynninen: Mathematical methods for medical decision making – M3 (M234)

9.3. 13:40  Juho Andelmin: Solving the green vehicle routing problem and allocating resources based on efficiency analysis – M3 (M234)

9.3. 14:15  Armando Gutiérrez: The horoboundary of metric spaces and its role in dynamics – M3 (M234)

9.3. 14:40  Hoa Ngo: Information spreading in large networks – M3 (M234)

9.3. 15:15  Pekka Lehtelä: Generalized solutions to the porous medium equation – M3 (M234)

9.3. 15:40  Casimir Lindfors: Regularity for nonlinear parabolic PDEs with general growth – M3 (M234)

10.3. 14:15  Jonas Tölle: The p-Laplace evolution equation as p tends to 1: Mosco convergence and convergence of solutions – M3 (M234)

15.3. 12:15  Eero Ruosteenoja (University of Jyväskylä): TBA – M3 (M234)

Visitors

Giancarlo Pastor Figueroa 1.3.2016–31.8.2017

Xuxin Yang (Hunan First Normal University) 16.1.–19.2.

Ivo Kubjas 16.1.–15.4.

Lisa Beck (Augsburg University) 13.2.–24.2.

Sihem Mesnager (University of Paris VIII) 14.2.–19.2.

Anna-Lena Horlemann (Algorithmics Laboratory, EPF Lausanne) 6.3.–12.3.

Estibalitz Durand-Cartagena (UNED) 12.3.–18.3.

Research

Defence of dissertation in the field of mathematics, Emanuele Ventura, M.Sc., 9.1.2017

22. December 2016

Emanuele Ventura,  M.Sc., will defend the dissertation "Geometry of Real Tensors and Phylogenetics" on 9 January 2017 at 15 at the Aalto University School of Science, lecture hall M1, Otakaari 1, Espoo.

 

Professor Kristian Ranestad, University of Oslo, will act as the opponent. Custos is professor Alexander Engström, Department of Mathematics and Systems Analysis. Dissertation release is available at: http://sci.aalto.fi/en/current/events/vaitos_ventura_emanuele/.

 

Research

Defence of dissertation in the field of mathematics, Janne Korvenpää, M.Sc. (Tech.), 18.11.2016

29. November 2016

Janne Korvenpää, M.Sc. (Tech.), will defend the dissertation "Nonlocal nonlinear potential theory and fractional integral operators" on 18 November 2016 at 12 noon in Aalto University School of Science, lecture hall M1, Otakaari 1, Espoo. In the dissertation, potential theory for fractional Laplace type equations is developed. These equations are nonlocal integro-differential equations having many similarities with typical partial differential equations.

Professor Lorenzo Brasco, University of Ferrara, will act as the opponent. Custos is Professor Juha Kinnunen, Department of Mathematics and Systems Analysis. Dissertation release is available in Finnish at: http://sci.aalto.fi/en/current/events/vaitos_korvenpaa_janne/

Research

Defence of dissertation in the field of mathematics, Helle Majander 11.11.2016

29. November 2016

 

 

Helle Majander, M.Sc., will defend the dissertation "Efficient reconstruction algorithms for three-dimensional tomographic imaging" on 11 November 2016 at 12 noon in Aalto University School of Science, lecture hall 1, Otakaari 1, Espoo. In the dissertation, we study the iterative algorithms for solving the inverse problems related to tomographic imaging. We present an efficient algorithm that can be used with different imaging modalities and we study the compensation of geometric modeling errors in particular for electrical impedance tomography.

Associate Professor Kim Knudsen, Technical University of Denmark, will act as the opponent. Custos is Professor Nuutti Hyvönen, Department of Mathematics and Systems Analysis. Dissertation release is available in Finnish at: http://sci.aalto.fi/en/current/events/vaitos_majander_helle/.

Research

Defence of dissertation in the field of systems and operations research, Jussi Kangaspunta, M.Sc. (Tech.), 4.11.2016

29. November 2016

 

 

Jussi Kangaspunta, M.Sc. (Tech.), will defend the dissertation "Resource Allocation Methods for Defence and Infrastructure Systems" on 4 November 2016 at 12 noon in Aalto University School of Science, lecture hall H304, Otakaari 1, Espoo. In this dissertation, methods to support the allocation of resources to investment alternatives are studied and developed. These methods have been illustrated by examining problems from defence planning and critical infrastructure risk management.

Professor Vicki Bier, University of Wisconsin-Madison, will act as opponent. Custos is professor Ahti Salo, Department of Mathematics and Systems Analysis. Dissertation release is available in Finnish at: http://sci.aalto.fi/en/current/events/vaitos_kangaspunta_jussi/.

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