Danny Matthew Cornelius Calegari is a mathematician and, , a professor of mathematics at the

University of Chicago The University of Chicago (UChicago, Chicago, or UChi) is a Private university, private research university in Chicago, Illinois, United States. Its main campus is in the Hyde Park, Chicago, Hyde Park neighborhood on Chicago's South Side, Chic ...

. His research interests include

geometry Geometry (; ) is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures. Geometry is, along with arithmetic, one of the oldest branches of mathematics. A mathematician w ...

dynamical systems In mathematics, a dynamical system is a system in which a Function (mathematics), function describes the time dependence of a Point (geometry), point in an ambient space, such as in a parametric curve. Examples include the mathematical models ...

, low-dimensional topology, and geometric group theory.

Education and career

In 1994, Calegari received a B.A. in Mathematics from the

University of Melbourne The University of Melbourne (colloquially known as Melbourne University) is a public university, public research university located in Melbourne, Australia. Founded in 1853, it is Australia's second oldest university and the oldest in the state ...

with honors. He received his Ph.D. in 2000 from the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California), is a Public university, public Land-grant university, land-grant research university in Berkeley, California, United States. Founded in 1868 and named after t ...

under the joint supervision of Andrew Casson and

William Thurston William Paul Thurston (October 30, 1946August 21, 2012) was an American mathematician. He was a pioneer in the field of low-dimensional topology and was awarded the Fields Medal in 1982 for his contributions to the study of 3-manifolds. Thurst ...

; his dissertation concerned

foliation In mathematics (differential geometry), a foliation is an equivalence relation on an topological manifold, ''n''-manifold, the equivalence classes being connected, injective function, injectively immersed submanifolds, all of the same dimension ...

s of three-dimensional

manifold In mathematics, a manifold is a topological space that locally resembles Euclidean space near each point. More precisely, an n-dimensional manifold, or ''n-manifold'' for short, is a topological space with the property that each point has a N ...

s. From 2000–2002 he was Benjamin Peirce Assistant Professor at

Harvard University Harvard University is a Private university, private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636 and named for its first benefactor, the History of the Puritans in North America, Puritan clergyma ...

, after which he joined the California Institute of Technology faculty; he became Merkin Professor in 2007. He was a University Professor of Pure Mathematics at the

University of Cambridge The University of Cambridge is a Public university, public collegiate university, collegiate research university in Cambridge, England. Founded in 1209, the University of Cambridge is the List of oldest universities in continuous operation, wo ...

in 2011–2012, and has been a Professor of Mathematics at the University of Chicago since 2012.Calegari's curriculum vitae
. Calegari is also an author of short fiction, published in '' Quadrant'', ''Southerly'', and '' Overland''. His story ''A Green Light'' was a winner of a 1992 The Age Short Story Award.

Awards

Calegari was one of the recipients of the 2009 Clay Research Award for his solution to the Marden Tameness Conjecture and the Ahlfors Measure Conjecture. In 2011 he was awarded a Royal Society Wolfson Research Merit Award, and in 2012, he became a Fellow of the American Mathematical Society. In 2012 he delivered the Namboodiri Lectures at the University of Chicago, and in 2013 he delivered the Blumenthal Lectures at Tel Aviv University. In 2022 he gave an invited lecture at the ICM and in 2024 he gave the Floer Lectures in Bochum and the Roever LectureRoever Lectures
/ref> at Washington University in St. Louis.

Selected works

* * * * * * * *

Personal life

Mathematician Frank Calegari is Danny Calegari's brother.

References

External links

* Living people 20th-century American mathematicians American topologists University of Melbourne alumni University of California, Berkeley alumni California Institute of Technology faculty University of Chicago faculty Institute for Advanced Study visiting scholars Harvard University Department of Mathematics faculty Clay Research Award recipients Fellows of the American Mathematical Society 1972 births 21st-century American mathematicians 20th-century Australian mathematicians {{US-mathematician-stub