Previous PhD Seminars
27 November 2024: Milica Ðukic, Symplectic embeddings
20 November 2024: Jonathan Lindell, Deformation theory
23 October 2024: Benjamin Meco, The Positive Mass Theorem in Mathematical General Relativity
16 October 2024: Max Raner, When philosophy matters: probability dilution in satellite conjunction analysis and the False confidence theorem
9 October 2024: Daniele Migliorati, Wait is this still electromagnetism?
2 October 2024: Wei Xing, Riemann-Roch theorem on finite graphs and chip-firing games
25 September 2024: Alireza Ataei, Pythagorean triples
18 September 2024: Topias Tolonen-Weckström, Erik’s favorite problem and sequential testing of a Brownian Motion
15 May 2024: Ruoyu Wang, Benjamini-Schramm convergence: definition and examples
8 May 2024: William Hedlund, Covering spaces and Cayley complexes
24 April 2024: Jonathan Lindell, Galois connections
17 April 2024: Marcus Vaktnäs, Gibbs Phenomenon
10 April 2024: Lukas Nakamura, How to climb a mountain using wrinkles
20 March 2024: Wei Xing, Cluster structure on braid varieties
13 March 2024: Martin Bäcke, The categoricity of second-order arithmetic
6 March 2024: Milica Ðukić, Invariants of Legendrian knots
21 February 2024: Amandine Caut, Mastering the language: a crash course in large language model
7 February 2024: Anna Rodriguez Rasmussen, Weisfeiler-Leman Algorithms for Groups
31 January 2024: Elias Riedel Gårding, From electromagnetism to differential cohomology
24 January 2024: Alireza Ataei, A generalized Liouville's equation
17 January 2024: Aron Persson, A Riemannian Manifold of Riemannian Metrics of a Smooth Closed Manifold
22 November 2023: Benjamin Meco, Ergodic theory and connections to combinatorics and number theory
15 November 2023: Max Raner, Asymptotic absolute continuity
1 November 2023: Darius Dramburg, Periodic lozenge tilings of the plane
25 October 2023: Mingyi Hou, On an inequality between Dirichlet and Neumann eigenvalues for the Laplace operator
18 October 2023: Taisia Morozova, Modelling and simulation in cellular networks
11 October 2023: Filip Strakoš, Height in 4 dimensions using a sphere-valued holomorphic tape measure
4 October 2023: Ask Ellingsen, Reality is not realistic out of context
27 September 2023: Topias Tolonen, Learning by doing
20 September 2023: Vilhelm Agdur, Deterministically cutting things in pieces
13 September 2023: Mateusz Stroinski, Graphical calculus, linear algebra and categorical nonsense
26 April 2023: Axel Husin, Perspective on perspective
19 April 2023: William Hedlund, Reidemeister Torsion
12 April 2023: Ruoyu Wang, Local density of a tree
22 March 2023: Tobias Mattsson, The multiplier problem for the ball
15 March 2023: Milica Ðukić, The smooth closing lemma
8 March 2023: Marcus Vaktnäs, Hermite-Padé approximation
1 March 2023: Lukas Nakamura, How to park a car efficiently
22 February 2023: Amandine Caut, Gradient-domain image processing
15 February 2023: Johan Rydholm, Stairway to phi^4
8 February 2023: Topias Tolonen, Hiring and Firing: Application in Game Theory for PhD Students Who Find no Joy in Economics
1 February 2023: Elias Riedel Gårding, Quantum anomalies and group cohomology
25 January 2023: Alireza Tavakoli, A few words on symmetrization
7 December 2022: Taisia Morozova, Lindley recursion in queueing system
30 November 2022: Anna Rodriguez Rasmussen, Skew group algebras
23 November 2022: Joel Dahne, Highest cusped waves and computer assisted proofs
16 November 2022: Darius Dramburg, Lego for grown-ups aka topological interlockings
9 November 2022: Christoffer Söderberg, Theory and history of Penrose tiltings
2 November 2022: Wei Xing, Covering techniques in quiver representations
12 October 2022: Benjamin Meco, There are not that many twin primes
5 October 2022: Alireza Ataei, Historical approach to PDEs
21 September 2022: Aron Persson, On Brownian Motion, the Heat Equation and Geometric Properties of the Exit-Time Problem
14 September 2022: Vilhelm Agdur, Randomly cutting things in half, as a proof technique
7 September 2022: Mateusz Stroinski, Pointless topology for sober spaces
31 August 2022: Mingyi Hou, Localization phenomena in physics and its mathematical interpretation
25 May 2022: Axel Husin, Whitney-Graustein theorem
18 May 2022: William Hedlund, A Look at Associahedra
11 May 2022: Carmina Fjellström, Long Short-Term Memory Neural Network
4 May 2022: Malte Litsgård, Using convex analysis to solve the Dirichlet problem (or at least show it can be done).
27 April 2022: Martin Andersson, Graph Laplacians and their applications in machine learning
20 April 2022: Amandine Caut, Introduction to Deep Learning
6 April 2022: Markus Thuresson, Some combinatorics and quasi-hereditary algebras
30 March 2022: Fabian Burghart, The reconstruction conjecture
23 March 2022: Christoffer Söderberg, Tropical Matrices and Different Notions of Rank
16 March 2022: Taisia Morozova, PASTA for remaining service time in stable and unstable queues
2 March 2022: Mingyi Hou, Energy and entropy estimates for rate of convergence
23 February 2022: Joel Dahne, Some phenomena in fluid mechanics
9 February 2022: Robert Moscrop, The McKay correspondence and (some) string theory
2 February 2022: Alireza Tavakoli, ABP method: from maximum principles to isoperimetric inequality
19 January 2022: Elias Riedel Gårding, Quantum field theories as cobordism functors
15 December 2021: Aksel Bergfeldt, Nonlinear Schrödinger equations
8 December 2021: Rebekka Müller, When intuition is misleading
24 November 2021: Christoffer Olsson, Random matrices and the mysterious Tracy-Widom distribution
17 November 2021: Yuqiong Wang, The tale of a coin flipper with OCD
10 November 2021: Tobias Mattsson, Local smoothing conjecture
3 November 2021: Darius Dramburg, Rolling spheres, Mathieu group(oid)s and projective puzzles
13 October 2021: Mateusz Stroinski, 2-dimensional TQFTs and Frobenius algebras
6 October 2021: Johan Rydholm, The rectangular peg problem
29 September 2021: Lukas Nakamura, On periodic orbits of balls in a potential
22 September 2021: Aron Persson, On Mean Values in Manifolds
8 September 2021: Vilhelm Agdur, How to be a maths influencer
12 May 2021: Johan Rydholm, The Dold-Kan correspondence
5 May 2021: David Lundberg, Introduction to Lyapunov-Schmidt reduction methods for PDEs
21 April 2021: Aksel Bergfeldt, What if 0.999... ≠ 1?
14 April 2021: Axel Husin, The fundamental theorem of algebra
7 April 2021: Carmina Fjellström, Diffusion Maps
24 March 2021: Martin Andersson, The Fokker-Planck Equation and Neural Networks
17 March 2021: Christoffer Söderberg, An Introduction to Matroids
3 March 2021: Markus Thuresson, Building blocks of representation theory
17 February 2021: Fabian Burghart, How spheres grow spiky in high dimensions
3 February 2021: Joel Dahne, Computer Assisted Proofs (or How to introduce bugs in your proofs)
9 December 2020: Malte Litsgård, What is a Kolmogorov-type operator and what does it do?
2 December 2020: Yuqiong Wang, How to walk home tipsy: from random walks to PDEs
25 November 2020: Colin Desmarais, Colouring vertices of random recursive trees
11 November 2020: Christoffer Olsson, The Kakeya Problem
4 November 2020: Marcus Westerberg, On the geometry of influence functions for parametric models
9 September 2020: Elin Persson Westin, The symmetric group of a complex number, or Schur-Weyl duality for the partition algebra
2 September 2020: Helena Jonsson, Schur-Weyl Duality for Brauer Algebra