Arrangementer - Side 2

Tid og sted: 1. nov. 2017 14:15 - 16:00, Desolation Row, Sognsveien 77 B

I will discuss machine computations in a finite range, using Bruner's ext-program, of Ext over A, the mod 2 Steenrod algebra, and over A(2), the subalgebra of A generated by Sq^1, Sq^2 and Sq^4. These are the E_2-terms of the mod 2 Adams spectral sequences for S and tmf, respectively.

Tid og sted: 30. okt. 2017 15:15 - 16:00, Hurricane

Sedimentation-diffusion equilibrium of Quincke rollers  

Tid og sted: 27. okt. 2017 13:00 - 14:00, hurricane

Iceberg drift on dead water

Tid og sted: 26. okt. 2017 14:15 - 16:00, Ullevål
Tid og sted: 24. okt. 2017 09:00 - 10:00, Seminarrom 108

Du er halvveis i semesteret! Hvordan går det? Kom og få gratis kaffe og mat på seminarrom 108 / You are halfway through the semester! How are you? Come and get free coffee and food in the seminar room 108

Tid og sted: 23. okt. 2017 12:45 - 13:45, Gates of Eden

Erik Bedos (UiO) will give a talk with title "On Exel-Pardo algebras as Cuntz-Pimsner algebras"

Abstract:

In a joint work with S. Kaliszweski and J. Quigg (https://arxiv.org/pdf/1512.07302.pdf, to appear in JOT), we consider a continuous action of a locally compact group G on a topological graph E, equipped with a G-valued continuous cocycle, and show how to construct a C*-correspondence from these data, giving rise to a Toeplitz algebra and a Cuntz-Pimsner algebra. In the talk we will sketch this construction, but restrict ourselves to the discrete case. We will also describe these algebras in terms of generators and relations when E is row-finite. As a corollary we get that the associated Cuntz-Pimsner algebra coincides with the C*-algebra recently introduced by Exel and Pardo when E is finite and sourceless.  
 
Tid og sted: 20. okt. 2017 11:15 - 12:00, Hurricane

Reyna Ramirez

Tid og sted: 19. okt. 2017 14:15 - 16:00, Ullevål
Tid og sted: 16. okt. 2017 12:45 - 13:45, Gates of Eden, Ullevål

Nicolai Stammeier (Oslo) will give a talk with title: The inner structure of boundary quotients of right LCM semigroups  

Abstract: In joint work with Roberto Conti, Stefano Rossi, and Valeriano Aiello, we use semidirect products built from algebraic dynamical systems to model right LCM semigroups to study various structural aspects in connection with a selection of distinguished subalgebras of the associated boundary quotients. Our two guiding examples are integral dynamics as considered in work of Barlak - Omland - Stammeier, and exact injective group endomorphisms of discrete abelian groups with finite cokernel as studied by Cuntz and Vershik.

Tid og sted: 13. okt. 2017 14:30, "End of the Line" Ullevål stadion. Sognsveien 77 B.

Tittel: 

Simulating sleep

Simulating interstitial fluid flow in sleeping and awake mice

Tid og sted: 12. okt. 2017 14:15 - 16:00, Ullevål
Tid og sted: 11. okt. 2017 13:15 - 14:00, Seminar room: "Hurricane", Matematisk Institutt, Ullevål stadion (Sognsveien 77 B, 2nd floor)

Eric Schaanning (Norges Bank) gives a lecture with the title: Interbank contagion and systemic risk: How robust are estimates?

Tid og sted: 27. sep. 2017 14:15 - 16:00, B638, NH Abels hus
Tid og sted: 27. sep. 2017 13:15, Eilert Sundts hus, A-blokka: Auditorium 1

M.Sc. Endre Joachim Mossige ved Matematisk institutt vil forsvare sin avhandling for graden ph.d.:

Continuous Hydrodynamic Separation and Concentration of Particles according to Size by use of the Trilobite Technology

Tid og sted: 27. sep. 2017 10:15, Vilhelm Bjerknes' hus: Auditorium 1

M.Sc. Endre Joachim Mossige ved Matematisk institutt avholder prøveforelesning over oppgitt emne: "The physics behind a perfectly boiled egg".

Tid og sted: 21. sep. 2017 14:15 - 16:00, B638, NH Abels hus
Tid og sted: 19. sep. 2017 12:45 - 13:45, Gates of Eden

Adam Sørensen (UiO) will give a talk with title: C*-stable groups.

Abstract: In this talk we will look at when group C*-algebra have stable relations, which loosely speaking means that any almost representation of the group in a C*-algebra will be close to an exact representation. A particularly interesting case is if we assume the C*-algebra is finite dimensional. I will mostly discuss a collection of examples. The talk is based on ongoing joint work with Søren Eilers and Tatiana Shulman.  

Tid og sted: 15. sep. 2017 11:15 - 12:00, Hurricane
Tid og sted: 12. sep. 2017 10:15, Hurricane, Ullevål stadion, Sognsveien 77 B

Tittel: 

Sensitivity Analysis of Prices of Claims in Turbulent Markets

Tid og sted: 8. sep. 2017 12:00, Møterom Hurricane, Ullevål stadion

Tittel: 

Verification and Validation of a

Monolithic Fluid-Structure Interaction Solver in FEniCS 

Tid og sted: 7. sep. 2017 18:00 - 22:00, Vilhelm Bjerknes' hus

Vi inviterer tidligere studenter til litt fagprat og et sosialt treff der du kan møte dine gamle medstudenter og se hvor mye (eller lite?) campus har forandret seg siden du var student.

Tid og sted: 7. sep. 2017 10:15 - 12:00, Ole Johan Dahls hus

The seminar takes place in the meeting room, floor 9 of Ole Johan Dahls hus.

The room has been reserved Thursdays 10.15 - 12.00 from August 31 to November 30.

The program is subject to changes.

Tid og sted: 6. sep. 2017 13:15 - 14:00, Meeting room End of the Line, Ullevål stadion (Sognsveien 77 B, second floor)

Nils Detering (University of California, Santa Barbara) gives a lecture with the title: Managing Default Contagion in Inhomogeneous Financial Networks

Tid og sted: 31. aug. 2017 11:00 - 15:45, Runde Auditorium, Domus Medica, UiO

On the occasion of Professor Sylvia Richardson, University of Cambridge, receiving a Honorary Doctorate from the University of Oslo, we arrange a workshop in her honour. Please join us in the celebration of Sylvia and the statistics community at the University of Oslo, with presentations of some of the ongoing statistical research in the life sciences at our university!

Tid og sted: 29. aug. 2017 13:15, Gates of Eden, Ullevål stadion

Cand.Scient. Jørn Birknes-Berg ved Matematisk institutt vil forsvare sin avhandling for graden ph.d.:

Wave loads and offshore-related problems - Advanced numerical methods and simulations