Meetings Archive

Distinguished Lecture Series: Amie Wilkinson

Online, Zoom Webinars

We’re pleased to announce that Amie Wilkinson’s (University of Chicago) postponed Distinguished Lecture series from May 2020 has now been rescheduled to May 2021. The colloquia details will be confirmed shortly. Visit the event website for further information.

The talks will be over three days:

10 May 2021, 16:00 – 17:00

12 May 2021, 16:00 – 17:00

14 May 2021, 16:00 – 17:00

Registration is now open.


If you have any questions, please contact heilbronn-coordinator@bristol.ac.uk.

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Colloquium – Larry Guth

16:00 – 17:00pm

Online, Zoom Webinar

We’re very excited to welcome Larry Guth (Massachusetts Institute of Technology), as a Heilbronn Virtual Visiting Professor.

Title: Local smoothing for the wave equation

Abstract:  The local smoothing problem asks about how much solutions to the wave equation can focus. It was formulated by Chris Sogge in the early 90s. Hong Wang, Ruixiang Zhang, and I recently proved the conjecture in two dimensions.

For more information and to register please visit the event website.


For more information, please contact heilbronn-coordinator@bristol.ac.uk.

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Colloquium – Kaisa Matomäki

16:00 – 17:00pm

Online, Zoom Webinar

We’re very excited to welcome Kaisa Matomäki (University of Turku, Finland), as a Heilbronn Virtual Visiting Professor. For further information and to register for the colloquium, please visit the event website.

Title: On primes and other interesting sequences in short intervals

Abstract: By the prime number theorem, the number of primes up to $x$ is known to be asymptotically $x/\log x$. This suggests that whenever $H \leq x$ is reasonably large, the interval $[x, x+H]$ contains about $H/\log x$ primes. I will discuss what is known and what is not known about primes and almost primes (i.e. numbers with only few prime factors) in short intervals.
I will also talk about the Riemann zeta function and the Liouville function (defined, for an integer $n$, to be $+1$ or $-1$ depending on whether $n$ has an even or odd number of prime factors), both of which are closely connected to the prime numbers.


Registration is now open, please click here to register.

For more information, please contact heilbronn-coordinator@bristol.ac.uk.

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Young Researchers in Mathematics 2021

This online conference will take place from Monday 6- Wednesday 9 June 2021.

Young Researchers in Mathematics is the conference for all PhD students! We want to welcome each and every early-career mathematician to this conference, where you can (virtually) meet researchers from all areas in a friendly environment.

YRM is the perfect opportunity to give talks about your maths, whether it be introductory or your own results. We also invite you to the plenary talks, which showcase a wide range of mathematics happening in the UK now.

Whether this is the first or final year of your PhD, this is the conference for you!

Registration is now open! The deadline for contributed talks is Monday 24 May 2021. Please click here to register.

For questions please email: yrm-2020 at bristol dot ac dot uk.

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Random matrices and integrable systems

Fry Building

Random matrices and integrable systems event

We’re very excited to welcome Random matrices and integrable systems online event between 16-18th June 2021. For further information and to register please click on the Register button or click here.

The past decade has seen enormous progress in understanding the behaviour of large random matrices and interacting particle systems.

A large variety of complementary methods have emerged to study these systems, and in particular methods originating from integrable systems.

This workshop is the first of a series of workshops organized within the PIICQ network “Integrable probability, classical and quantum integrability”.

Confirmed speakers

Giulio Ruzza (Université’ Catholique de Louvain)
Karol Koslowski (ENS Lyon)
Sofia Taricone (Angers)
Jérémie Bouttier (ENS Lyon)
Mattia Cafasso (Angers)
Guido Mazzuca (SISSA, Trieste)
Jinho Baik (University of Michigan Ann Arbor)
Theo Assiotis (University of Edinburgh)
Laure Dumaz (ENS Paris)
Nick Simm (University of Sussex)
Tom Claeys (Université’ Catholique de Louvain)
Neil O’Connell (University College, Dublin)
Jon Keating (University of Oxford)
Thomas Bothner (University of Bristol)
Emilia Alvarez (University of Bristol)
Bhargavi Jonnadula (University of Bristol)

 

Organisers

Francesco Mezzadri
Joseph Najnudel
Tamara Grava
Nina Snaith

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Colloquium – Wei Biao Wu

16:00 – 17:00pm

Online, Zoom Webinar

We’re very excited to welcome our first Heilbronn Virtual Visiting Professor, Wei Biao Wu (University of Chicago), for an online colloquium on Wednesday 24 March. For further information and to register for the colloquium, please visit the event website.

Title: Fast Algorithms for Estimating Covariance Matrices of Stochastic Gradient Descent Solutions

Abstract: Stochastic gradient descent (SGD), an important optimization method in machine learning, is widely used for parameter estimation especially in online setting where data comes in stream. While this recursive algorithm is popular for the computation and memory efficiency, it suffers from randomness of the solutions. In this talk we shall estimate the asymptotic covariance matrices of the averaged SGD iterates (ASGD) in a fully online fashion. Based on the recursive estimator and classic asymptotic normality results of ASGD, we can conduct online statistical inference of SGD estimators and construct asymptotically valid confidence intervals for model parameters. The algorithm for the recursive estimator is efficient and only uses SGD iterates: upon receiving new observations, we update the confidence intervals at the same time as updating the ASGD solutions without extra computational or memory cost. This approach fits in online setting even if the total number of data is unknown and takes the full advantage of SGD: computation and memory efficiency. This work is joint with Wanrong Zhu and Xi Chen.


Registration is now open, please click here to register.

For more information, please contact heilbronn-coordinator@bristol.ac.uk

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Young Researchers in Algebraic Number Theory (Y-RANT) 2021

Online

Due to the COVID-19 pandemic, this event will now take place online. Please note that there will no longer be a registration fee.

Y-RANT is a (relatively) new conference aimed at postgraduate students and early career researchers in algebraic number theory, promoting discussion and sharing of ideas between members of the community. Participants are strongly encouraged to register to give short talks on their research or other topics of interest. In addition there will be three keynote talks given by senior researchers in the field. Visit the event website for further information.

The keynote speakers will be:

Tim Dokchitser (Bristol)

Beth Romano (Oxford)

Samir Siksek (Warwick)


Registration is now open

Registration closes on 18 June 2021, 23:59 GMT. For more information please contact heilbronn-coordinator@bristol.ac.uk.

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CMI-HIMR Dynamics and Geometry Online Summer School

The Clay Mathematics Institute and Heilbronn Institute for Mathematical Research are organising a virtual two-week summer school on “Dynamics and Geometry” in summer 2021, hosted by the School of Mathematics at the University of Bristol.

This will be the third in a series of UK postgraduate mathematics summer schools, jointly funded by the Clay Mathematics Institute and the Heilbronn Institute for Mathematical Research.

Dynamics and Geometry are two intertwined areas of mathematics that have seen revolutionary breakthroughs in recent years. In this online summer school world-leading experts (see below) will speak about some of these developments, alongside problem sessions and other opportunities for discussion and interaction. The full summer school programme will be released closer to the event.

Confirmed lecturers:


Applications are now open, please apply here. The application deadline is 7 May 2021, 23:59 GMT.

If you have any questions, please contact heilbronn-coordinator@bristol.ac.uk. Visit the summer school’s event website for further information.

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Heilbronn Annual Conference 2021

The Heilbronn Institute for Mathematical Research welcomes eight distinguished speakers, to deliver lectures intended to be accessible to a general audience of mathematicians.

Invited speakers:

Caucher Birkar, University of Cambridge

Jon Brundan, University of Oregon

Ana Caraiani, Imperial College London

Heather Harrington, University of Oxford

Gil Kalai, Hebrew University of Jerusalem

Peter Keevash, University of Oxford

Jeremy Quastel, University of Toronto

Tatiana Smirnova-Nagnibeda, University of Geneva


Please email heilbronn-coordinator@bristol.ac.uk for more information.

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Fry Conference Series: Statistics at Bristol: Future Results and You 2021

This is event is part of the Fry Conference Series, being held to celebrate the move of the School of Mathematics at the University of Bristol to the recently refurbished Grade II listed Fry Building at the heart of the university campus.

In 1871, Florence Nightingale published the second of two seminal papers on the preparation of hospital data.  These are still widely regarded as some of the most important works in the history of statistics. Exactly 150 years later, with challenges from climate change to epidemics, unlocking the potential of data is more important than ever. Where will you fit in?

Visit the event website

Speakers to include:

Moulinath Banerjee, University of Michigan

Arnaud Doucet, University of Oxford

Peter Green, University of Bristol

Thomas House, University of Manchester

Po-Ling Loh, University of Wisconsin-Madison

Alon Orlitsky, UC San Diego

Judith Rousseau, University of Oxford

Sara van de Geer, ETH Zurich

 


Registration for this conference will open shortly. Until then, please register your interest to receive event updates and be the first to know when registration opens. For more information please contact heilbronn-coordinator@bristol.ac.uk.

Join the Heilbronn Event mailing list to keep up to date with our upcoming events.

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