Applied/ACMS: Difference between revisions

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== '''Fall 2024''' ==
== '''Fall 2025''' ==
{| class="wikitable"
{| cellpadding="8"
|+
! align="left" |Date
!Date
! align="left" |Speaker
!Speaker
! align="left" |Title
!Title
! align="left" |Host(s)
!Host(s)
|-
|-
|Sep 13
|Sep 19*
|[https://people.math.wisc.edu/~nchen29/ Nan Chen] (UW)
|[https://www.anl.gov/profile/zichao-di Zichao (Wendy) Di] (Argonne National Laboratory)
|Intro. to Uncertainty Quantification (UQ) (tutorial)
|TBD
|Spagnolie
|Rycroft/Li
|-
|-
|Sep 20
|Sep 26
|[https://knewhall.web.unc.edu Katie Newhall] (UNC Chapel Hill)
|
|
|
|
|Rycroft
|-
|-
|Sep 27
|Oct 3
|[https://ptg.ukzn.ac.za Indresan Govender] (Mintek / Univ. of KwaZulu-Natal, South Africa)
|
|
|
|
|Rycroft
|-
|-
|Oct 4*
|Oct 10*
|[https://sse.tulane.edu/math/people/hongfei-chen Hongfei Chen] (Tulane)
|
|
|
|
|Jean-Luc
|-
|-
|Oct 11 '''Colloquium in B239 at 4:00pm'''
|Oct 17*
|[https://people.math.ethz.ch/~imikaela/ Mikaela Iacobelli] (ETH/IAS)
|
|[[# TBA|  TBA  ]]
|
|Li
|
|-
|-
|Oct 18 '''Colloquium in B239 at 4:00pm'''
|Oct 24
|[https://galton.uchicago.edu/~guillaumebal/ Guillaume Bal] (U Chicago)
|
|[[# TBA|  TBA  ]]
|
| Li, Stechmann
|
|-
|-
|Oct 25
|Oct 31
|[https://www.cs.cornell.edu/~damle/ Anil Damle] (Cornell)
|
|
|
|
|Li
|-
|-
| Nov 1
|Nov 7*
|[https://research-hub.nrel.gov/en/persons/michael-sprague Michael Sprague] (NREL)
|[https://thales.mit.edu/bush/ John Bush] (MIT)
|[[# TBA|  TBA  ]]
|TBD
|Spagnolie
|Spagnolie
|-
|-
| Nov 8
|Nov 14
|[https://personal.math.ubc.ca/~holmescerfon/ Miranda Holmes-Cerfon] (UBC)
|
|
|
|
|Stechmann
|-
|-
| Nov 15*
|Nov 21*
| Yue Sun (UW–Madison)
|
|
|
|
| Rycroft
|-
|-
| Nov 22
|Nov 28
|[https://ibd.uchicago.edu/joinus/yenfellowship/ Ondrej Maxian] (U Chicago)
|Thanksgiving
|[[# TBA|  TBA  ]]
|
|Ohm & Spagnolie
|
|-
|-
| Nov 29*
|Dec 5
|''Thanksgiving''
|
|
|
|
|
|-
|-
| Dec 6
|Dec 12
|[https://www.simonsfoundation.org/people/ido-lavi/ Ido Lavi] (Flatiron)
|
|[[# TBA|  TBA  ]]
|
|Spagnolie
|-
|
|
|}
|}
''[Dates marked with an asterisk are close to weekends with a home game for the [https://uwbadgers.com/sports/football/schedule UW Badgers football team]. Hotel availability around these dates is often limited if booked on short notice.]''


Dates marked with an asterisk correspond to [https://uwbadgers.com/sports/football/schedule home football games of the UW–Madison Badgers]. On these dates it can be difficult to get a hotel room close to campus at short notice.
==Abstract==


== Abstracts ==
<div id="Chandler"><div id="Fraser"><div id="Luedtke"><div id="Zhdankin"><div id="Boffi"><div id="Shankar"><div id="Loevbak">
====Nan Chen (UW–Madison)====
<div id="Lu"><div id="Vogman"><div id="Cockburn">
Title: Taming Uncertainty in a Complex World: The Rise of Uncertainty Quantification -- A Tutorial for Beginners
== Archived semesters ==
 
I will provide a tutorial about uncertainty quantification (UQ) for those who have no background but are interested in learning more about this area. The talk will exploit many elementary examples, which are understandable to graduate students and senior undergraduates, to present the ideas of UQ. Topics include characterizing uncertainties using information theory, UQ in linear and nonlinear dynamical systems, UQ via data assimilation, the role of uncertainty in diagnostics, and UQ in advancing efficient modeling. The surprisingly simple examples in each topic explain why and how UQ is essential. Both Matlab and Python codes have been made available for these simple examples.
 
==== Anil Damle (Cornell)====
Title: Fine-grained Theory and Hybrid Algorithms for Randomized Numerical Linear Algebra
 
Randomized algorithms have gained increased prominence within numerical linear algebra and they play a key role in an ever-expanding range of problems driven by a breadth of scientific applications. In this talk we will explore two aspects of randomized algorithms by (1) providing experiments and accompanying theoretical analysis that demonstrate how their performance depends on matrix structures beyond singular values (such as coherence of singular subspaces), and (2) showing how to leverage those insights to build hybrid algorithms that blend favorable aspects of deterministic and randomized methods. A focus of this talk will be on methods that approximate matrices using subsets of columns. Relevant motivating applications will be discussed and numerical experiments will illuminate directions for further research.
 
== Future semesters ==


*[[Applied/ACMS/Spring2025|Spring 2025]]
*[[Applied/ACMS/Fall2024|Fall 2024]]
*[[Applied/ACMS/Fall2024|Fall 2024]]
*[[Applied/ACMS/Spring2025|Spring 2025]]
== Archived semesters ==
*[[Applied/ACMS/Spring2024|Spring 2024]]
*[[Applied/ACMS/Spring2024|Spring 2024]]
*[[Applied/ACMS/Fall2023|Fall 2023]]
*[[Applied/ACMS/Fall2023|Fall 2023]]

Latest revision as of 14:02, 23 June 2025


Applied and Computational Mathematics Seminar


Fall 2025

Date Speaker Title Host(s)
Sep 19* Zichao (Wendy) Di (Argonne National Laboratory) TBD Rycroft/Li
Sep 26
Oct 3
Oct 10*
Oct 17*
Oct 24
Oct 31
Nov 7* John Bush (MIT) TBD Spagnolie
Nov 14
Nov 21*
Nov 28 Thanksgiving
Dec 5
Dec 12

[Dates marked with an asterisk are close to weekends with a home game for the UW Badgers football team. Hotel availability around these dates is often limited if booked on short notice.]

Abstract

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