Domast PhD seminar

 

The Domast student seminar is an informal seminar for doctoral students of mathematics and statistics. The aim is to give students an opportunity to develop science communication and presentation skills and to get a peek into other fields than their own. Students of Domast may get study credits for presenting in or organising the seminar. After every speaker there will be a relaxed discussion as well as a feedback session, so be prepared to take part in these if you attend. The seminar is organised for the first time in Fall 2020 and will be developed along the way.

Everyone is welcome and we hope to have speakers from all Domast fields!

If you wish to give a talk in the seminar or have other questions, contact the seminar organisers Patrik Nummi (firstname.lastname@helsinki.fi) or TBA. If you wish to be one of the seminar organisers in Autumn 2022, contact the current organisers.

The seminar is held bi-weekly on Fridays at 14-16, currently via Zoom:

https://helsinki.zoom.us/j/67639570507?pwd=OFpiaTBrRDh4TkRKNUJSVC9vS1JxQT09

Meeting ID: 676 3957 0507
Passcode: 12345678

The seminar schedule for the current semester is found below.

Spring 2022 Speaker
21 January 2022

Jaakko Sinko

A necessary condition for compactness of commutators of singular integrals

We study commutators [b,T]=bTf-b(Tf) from L^p to L^p, that are associated to a Calderón-Zygmund operator T and a function b. The condition that b is a VMO function is necessary for the compactness of such a commutator.  We extend an earlier result of Lacey & Li to a larger class of Calderón-Zygmund kernels and also to complex-valued multiplier functions b. Through this result, the aim is to give some insight into my research.

Prerequisites: At least, a basic understanding of L^p spaces is needed.

4 February 2022 Susanna Heikkilä

TBA

.
18 February 2022 Janne Siipola

TBA

.

4 March 2022 Patrik Nummi

TBA

.

18 March 2022

 

TBA

TBA
.
1 April 2022 TBA

TBA

.

 

8 April 2022

(Tentatively moved 1 week earlier due to 15.4 being Good Friday)

TBA

TBA

.

 

22 April 2022 Saara Sarsa

TBA

.