Matematiikan ja systeemianalyysin laitos

Ajankohtaista

Esitelmiä, seminaareja ja väitöksiä

* Seuraavan viikon tapahtumat merkitty tähdellä

Anne Schreuder (Cambridge University)
On Lévy-driven Loewner Evolutions
* Thursday 08 December 2022,   10:15,   Y405
This talk is about the behaviour of Loewner evolutions driven by a Lévy process. Schramm's celebrated version (Schramm-Loewner evolution), driven by standard Brownian motion, has been a great success for describing critical interfaces in statistical physics. Loewner evolutions with other random drivers have been proposed, for instance, as candidates for finding extremal multifractal spectra, and some tree-like growth processes in statistical physics. Questions on how the Loewner trace behaves, e.g., whether it is generated by a (discontinuous) curve, whether it is locally connected, tree-like, or forest-like, have been partially answered in the symmetric alpha-stable case. We consider the case of general Levy drivers. Joint work with Eveliina Peltola (Aalto and Bonn).
mathematical physics seminar (Kytölä, Peltola, Sahlsten)

Vivian Healey (Texas State University)
TBA
Thursday 15 December 2022,   10:15,   Y405
mathematical physics seminar (Kytölä, Peltola, Sahlsten)

Rahinatou Yuh Njah
Lattice-based cryptography (NB: unusual time!)
Thursday 15 December 2022,   13:15,   M3 (M234)
ANTA Seminar

Tuomas Tuukkanen (Princeton & Aalto)
[MSc thesis presentation]
Friday 16 December 2022,   11:00,   M3 (M234)
mathematical physics seminar (Kytölä / Peltola / Sahlsten)

Tuomas Sahlsten
TBA
Wednesday 18 January 2023,   12:15,   M3 (M234)
Seminar on analysis and geometry

Wilmar Bolanos
TBA
Wednesday 18 January 2023,   16:15,   M3 (M234)
ANTA Seminar

Systeemitieteiden kandidaattiseminaari / Bachelor seminar in systems analysis
Friday 20 January 2023,   09:30,   Riihi (Y225a)
Further information

Prof. Alexandru Paler
Graph states and the challenges for efficient quantum circuit compilation
Wednesday 25 January 2023,   16:15,   M3 (M234)
Graphs can be used as a diagrammatic representation of entangled states: vertices represent qubits, and edges are the entangling gates performed between the qubits. Arbitrary quantum circuits can be compiled into a fault-tolerant gate set, and the resulting circuit can be reformulated as a graph state. Such graphs can be manipulated by local operations (single qubit/vertex gates) such that edges are added and removed in a well defined manner during a process called local complementation. The latter might have interesting applications for the optimisation of (fault-tolerant) quantum circuits, quantum communication networks and in general whenever, either: a) there is a need to minimize the number of edges (entangling gates) without affecting the functionality of the state, or b) the state has to be embedded into a quantum hardware architecture that has a different connectivity. This talk is partially based on the work from https://arxiv.org/abs/2209.07345
ANTA Seminar

Systeemitieteiden kandidaattiseminaari / Bachelor seminar in systems analysis
Monday 06 March 2023,   09:30,   Riihi (Y225a)
Further information

Stephen Moore (Institute of Mathematics Polish Academy of Sciences)
TBA
Thursday 09 March 2023,   10:15,  
mathematical physics seminar (Kytölä, Peltola, Sahlsten)

Systeemitieteiden kandidaattiseminaari / Bachelor seminar in systems analysis
Monday 17 April 2023,   09:30,   Riihi (Y225a)
Further information

Systeemitieteiden kandidaattiseminaari / Bachelor seminar in systems analysis
Tuesday 16 May 2023,   09:30,   Riihi (Y225a)
Further information

Systeemitieteiden kandidaattiseminaari / Bachelor seminar in systems analysis
Friday 16 June 2023,   09:30,   Riihi (Y225a)
Further information

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