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---
title: Leonid Petrov. Integrable Probability
layout: default
permalink: /index.html
nav_id: Home
nav_weight: 1
---
<h1 class="sr-only">Leonid Petrov - Integrable Probability</h1>
<div class="row">
<div class="col-md-4 d-md-none mb-3">
<a href="{{site.url}}/simulations/"
><canvas id="hero-dd-mobile" style="width:100%;aspect-ratio:1/1;border-radius:4px"
aria-label="Random lozenge double-dimer simulation with UVA colors — visit simulations gallery"
></canvas></a>
</div>
<div class="col-md-8 mb-4">
<!-- Mobile: 3-button panel -->
<div class="d-md-none mb-3">
<div style="display:flex;flex-wrap:nowrap;border:1px solid #dee2e6;box-shadow:0 0.5rem 1rem rgba(0,0,0,0.1);">
<div style="width:33.33%;cursor:pointer;border-right:1px solid #dee2e6;"
onclick="var d=document.getElementById('mobile-about');d.style.display=d.style.display==='none'?'block':'none';this.querySelector('.about-arrow').textContent=d.style.display==='none'?'▸':'▾';">
<div class="h5" style="margin:0;display:flex;align-items:center;justify-content:center;padding:0.75rem 0.25rem;min-height:3rem;color:#232D4B;">
<i class="fas fa-user" style="margin-right:0.3rem;flex-shrink:0;" aria-hidden="true"></i>
<span>About</span>
<span class="about-arrow" style="margin-left:0.2rem;font-size:0.7em;">▸</span>
</div>
</div>
<a href="{{ site.url }}/research/" style="display:block;width:33.33%;text-decoration:none;border-right:1px solid #dee2e6;">
<div class="h5" style="margin:0;display:flex;align-items:center;justify-content:center;padding:0.75rem 0.25rem;min-height:3rem;color:#232D4B;">
<i class="fas fa-book" style="margin-right:0.3rem;flex-shrink:0;" aria-hidden="true"></i>
<span>Papers</span>
</div>
</a>
<a href="{{ site.url }}/research/petrovCVbrief.pdf" style="display:block;width:33.34%;text-decoration:none;">
<div class="h5" style="margin:0;display:flex;align-items:center;justify-content:center;padding:0.75rem 0.25rem;min-height:3rem;color:#232D4B;">
<i class="fas fa-file-alt" style="margin-right:0.3rem;flex-shrink:0;" aria-hidden="true"></i>
<span>CV</span>
</div>
</a>
</div>
</div>
<!-- Desktop heading -->
<h2 class="d-none d-md-block">
About • (<a href="{{ site.url }}/research/">papers</a>) •
(<a href="{{ site.url }}/research/petrovCVbrief.pdf">CV</a>)
</h2>
<p><strong>Professor of Mathematics, University of Virginia</strong>.</p>
<!-- Mobile: collapsible about text toggled by About button -->
<div id="mobile-about" class="d-md-none mb-2" style="display:none;">
<p>
Leonid Petrov works in integrable probability, an area of
mathematical research at the interface between probability /
statistical physics on the one hand and representation
theory/quantum integrability on the other. He applies tools from
integrability (symmetric functions and Yang-Baxter equations for
solvable lattice models) to analyze the asymptotic behavior of
stochastic models motivated by a wide range of real-world questions,
including the structure of ice and other condensed matter,
magnetism, quantum spin systems, thermodynamics, traffic models, and
directed polymers.
</p>
<p>
Petrov completed his Ph.D. in 2010 in Moscow with advisor Grigori
Olshanski. Following a postdoctoral position at Northeastern
University (2011-2014), he joined the University of Virginia as
faculty in Department of Mathematics. He has held visiting positions
at MIT (2017-2018), MSRI (Fall 2021), and IPAM (Spring 2024).
</p>
<p>
Recently, he is also involved in broadening access to AI tools for
working mathematicians by
<a href="https://lpetrov.cc/AI-math/">sharing</a>
<a
href="https://storage.lpetrov.cc/research_files/talks/AI_UVA_Oct10.pdf"
>best practices,</a
>
participating in panel discussions, and
<a href="{{site.url}}/simulations/">utilizing AI to build interactive simulations</a>
of cutting-edge research advances
in integrable probability and beyond (see below for a few comprehensive examples).
</p>
<p><strong>Keywords</strong>: Integrable probability, KPZ universality, interacting
particle systems, six vertex model, Yang-Baxter equation, stochastic
vertex models, Bethe ansatz, Macdonald processes, random tilings,
symmetric functions, algebraic combinatorics</p>
<ul class="mt-3">
<li>
NSF grant
<a
href="https://www.nsf.gov/awardsearch/showAward?AWD_ID=2153869"
>2153869</a
>
"Random Systems from Symmetric Functions and Vertex Models"
(2022-2025).
</li>
<li>
<a href="http://frg.int-prob.org/" target="_blank"
>Focused Research Group in Integrable Probability<span class="sr-only"> (opens in new tab)</span></a
>
(2017-2022) supported by the NSF grant
<a
href="https://www.nsf.gov/awardsearch/showAward?AWD_ID=1664617"
target="_blank"
>1664617<span class="sr-only"> (opens in new tab)</span></a
>
and companion grants
<a
href="https://www.nsf.gov/awardsearch/showAward?AWD_ID=1664531"
target="_blank"
>1664531<span class="sr-only"> (opens in new tab)</span></a
>,
<a
href="https://www.nsf.gov/awardsearch/showAward?AWD_ID=1664619"
target="_blank"
>1664619<span class="sr-only"> (opens in new tab)</span></a
>,
<a
href="https://www.nsf.gov/awardsearch/showAward?AWD_ID=1664650"
target="_blank"
>1664650<span class="sr-only"> (opens in new tab)</span></a
>.
</li>
</ul>
</div>
<div class="d-none d-md-block">
<p>
Leonid Petrov works in integrable probability, an area of
mathematical research at the interface between probability /
statistical physics on the one hand and representation
theory/quantum integrability on the other. He applies tools from
integrability (symmetric functions and Yang-Baxter equations for
solvable lattice models) to analyze the asymptotic behavior of
stochastic models motivated by a wide range of real-world questions,
including the structure of ice and other condensed matter,
magnetism, quantum spin systems, thermodynamics, traffic models, and
directed polymers.
</p>
<p>
Petrov completed his Ph.D. in 2010 in Moscow with advisor Grigori
Olshanski. Following a postdoctoral position at Northeastern
University (2011-2014), he joined the University of Virginia as
faculty in Department of Mathematics. He has held visiting positions
at MIT (2017-2018), MSRI (Fall 2021), and IPAM (Spring 2024).
</p>
<p>
Recently, he is also involved in broadening access to AI tools for
working mathematicians by
<a href="https://lpetrov.cc/AI-math/">sharing</a>
<a
href="https://storage.lpetrov.cc/research_files/talks/AI_UVA_Oct10.pdf"
>best practices,</a
>
participating in panel discussions, and
<a href="{{site.url}}/simulations/">utilizing AI to build interactive simulations</a>
of cutting-edge research advances
in integrable probability and beyond (see below for a few comprehensive examples).
</p>
</div>
{%include sims.html%}
<div class="d-none d-md-block">
<p><strong>Keywords</strong>: Integrable probability, KPZ universality, interacting
particle systems, six vertex model, Yang-Baxter equation, stochastic
vertex models, Bethe ansatz, Macdonald processes, random tilings,
symmetric functions, algebraic combinatorics</p>
<ul class="mt-3">
<li>
NSF grant
<a
href="https://www.nsf.gov/awardsearch/showAward?AWD_ID=2153869"
>2153869</a
>
"Random Systems from Symmetric Functions and Vertex Models"
(2022-2025).
</li>
<li>
<a href="http://frg.int-prob.org/" target="_blank"
>Focused Research Group in Integrable Probability<span class="sr-only"> (opens in new tab)</span></a
>
(2017-2022) supported by the NSF grant
<a
href="https://www.nsf.gov/awardsearch/showAward?AWD_ID=1664617"
target="_blank"
>1664617<span class="sr-only"> (opens in new tab)</span></a
>
and companion grants
<a
href="https://www.nsf.gov/awardsearch/showAward?AWD_ID=1664531"
target="_blank"
>1664531<span class="sr-only"> (opens in new tab)</span></a
>,
<a
href="https://www.nsf.gov/awardsearch/showAward?AWD_ID=1664619"
target="_blank"
>1664619<span class="sr-only"> (opens in new tab)</span></a
>,
<a
href="https://www.nsf.gov/awardsearch/showAward?AWD_ID=1664650"
target="_blank"
>1664650<span class="sr-only"> (opens in new tab)</span></a
>.
</li>
</ul>
</div>
<h2 class="mt-4">
Teaching and office hours • (<a href="{{ site.url }}/teaching/">all</a>)
</h2>
{% include current_teaching.html %}
<hr />
<!-- Mobile: collapsible Recent news -->
<div class="d-md-none mb-3">
<div style="cursor:pointer;border:1px solid #dee2e6;box-shadow:0 0.5rem 1rem rgba(0,0,0,0.1);"
onclick="var d=document.getElementById('mobile-news');d.style.display=d.style.display==='none'?'block':'none';this.querySelector('.news-arrow').textContent=d.style.display==='none'?'▸':'▾';">
<div class="h5" style="margin:0;display:flex;align-items:center;justify-content:center;padding:0.75rem 0.25rem;min-height:3rem;color:#232D4B;">
<i class="fas fa-newspaper" style="margin-right:0.3rem;flex-shrink:0;" aria-hidden="true"></i>
<span>Recent news and links</span>
<span class="news-arrow" style="margin-left:0.2rem;font-size:0.7em;">▸</span>
</div>
</div>
</div>
<div id="mobile-news" class="d-md-none mb-2" style="display:none;">
<ul class="list-group my-ul-zebra">
{% assign quick-links-counter = 0 %} {% for post in site.posts %} {%
if post.categories contains "quick_link" and quick-links-counter < 7
%} {% assign quick-links-counter = quick-links-counter | plus:1 %}
<li class="list-group-item" style="padding: 10px 17px">
{{ post.excerpt }}
</li>
{% endif %} {% endfor %}
</ul>
</div>
<!-- Desktop: always visible -->
<h2 class="mb-3 d-none d-md-block">Recent news and links</h2>
<div class="d-none d-md-block">
<ul class="list-group my-ul-zebra">
{% assign quick-links-counter = 0 %} {% for post in site.posts %} {%
if post.categories contains "quick_link" and quick-links-counter < 7
%} {% assign quick-links-counter = quick-links-counter | plus:1 %}
<li class="list-group-item" style="padding: 10px 17px">
{{ post.excerpt }}
</li>
{% endif %} {% endfor %}
</ul>
</div>
<!-- Mobile: collapsible Students and postdocs -->
<div class="d-md-none mb-3">
<div style="cursor:pointer;border:1px solid #dee2e6;box-shadow:0 0.5rem 1rem rgba(0,0,0,0.1);"
onclick="var d=document.getElementById('mobile-students');d.style.display=d.style.display==='none'?'block':'none';this.querySelector('.students-arrow').textContent=d.style.display==='none'?'▸':'▾';">
<div class="h5" style="margin:0;display:flex;align-items:center;justify-content:center;padding:0.75rem 0.25rem;min-height:3rem;color:#232D4B;">
<i class="fas fa-users" style="margin-right:0.3rem;flex-shrink:0;" aria-hidden="true"></i>
<span>Students and postdocs</span>
<span class="students-arrow" style="margin-left:0.2rem;font-size:0.7em;">▸</span>
</div>
</div>
</div>
<div id="mobile-students" class="d-md-none mb-2" style="display:none;">
{%include students.html%}
</div>
<!-- Desktop: always visible -->
<div class="d-none d-md-block">
{%include students.html%}
</div>
</div>
<div class="col-md-4">
<img
class="mb-2"
width="100%"
src="{{site.storage_url}}/img/me_fence.jpg"
alt="Photo of Leonid Petrov leaning on a wooden fence"
align="center"
vspace="5"
/>
<a href="{{site.url}}/simulations/" class="d-none d-md-block"
><canvas id="hero-dd" style="width:100%;aspect-ratio:1/1;border-radius:4px"
aria-label="Random lozenge double-dimer simulation with UVA colors — visit simulations gallery"
></canvas></a>
<script src="/js/homepage-hero-dd-wasm.js"></script>
<script src="/js/homepage-hero-dd.js"></script>
</div>
<div class="col-12 mt-1">{% include contact.html %}</div>
</div>
</div>