Danny Matthew Cornelius Calegari is a mathematician who is currently a professor of mathematics at the

University of Chicago The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park neighborhood. The University of Chicago is consistently ranked among the b ...

. His research interests include

geometry Geometry (; ) is, with arithmetic, one of the oldest branches of mathematics. It is concerned with properties of space such as the distance, shape, size, and relative position of figures. A mathematician who works in the field of geometry is c ...

dynamical systems In mathematics, a dynamical system is a system in which a function describes the time dependence of a point in an ambient space. Examples include the mathematical models that describe the swinging of a clock pendulum, the flow of water in a p ...

low-dimensional topology In mathematics, low-dimensional topology is the branch of topology that studies manifolds, or more generally topological spaces, of four or fewer dimensions. Representative topics are the structure theory of 3-manifolds and 4-manifolds, knot th ...

, and

geometric group theory Geometric group theory is an area in mathematics devoted to the study of finitely generated groups via exploring the connections between algebraic properties of such group (mathematics), groups and topology, topological and geometry, geometric pro ...

Education and career

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

University of Melbourne The University of Melbourne is a public research university located in Melbourne, Australia. Founded in 1853, it is Australia's second oldest university and the oldest in Victoria. Its main campus is located in Parkville, an inner suburb nor ...

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 land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...

under the joint supervision of

Andrew Casson Andrew John Casson FRS (born 1943) is a mathematician, studying geometric topology. Casson is the Philip Schuyler Beebe Professor of Mathematics at Yale University. Education and Career Casson was educated at Latymer Upper School and Trinity Co ...

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. Thurston ...

; his dissertation concerned

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

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 Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher le ...

, after which he joined the

California Institute of Technology The California Institute of Technology (branded as Caltech or CIT)The university itself only spells its short form as "Caltech"; the institution considers other spellings such a"Cal Tech" and "CalTech" incorrect. The institute is also occasional ...

faculty; he became Merkin Professor in 2007. He was a University Professor of Pure Mathematics at the

University of Cambridge , mottoeng = Literal: From here, light and sacred draughts. Non literal: From this place, we gain enlightenment and precious knowledge. , established = , other_name = The Chancellor, Masters and Schola ...

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 ''The Age'' Short Story Award is a competition that is run in conjunction with International PEN, the international writers' association. It was established in 1979. From 1979 to 1984 it was run in conjunction with ''Tabloid Story'' and was know ...

Awards

Calegari was one of the recipients of the 2009

Clay Research Award __NOTOC__ The Clay Research Award is an annual award given by the Oxford-based Clay Mathematics Institute to mathematicians to recognize their achievement in mathematical research. The following mathematicians have received the award: {, class=" ...

for his solution to the

Marden Tameness Conjecture Marden may refer to: Places Australia * Marden, South Australia, a suburb of Adelaide England * Marden, Herefordshire * Marden, Kent ** Marden Airfield ** Marden railway station * Marden, Tyne and Wear * Marden, West Sussex ** East Marden ** N ...

and the

Ahlfors Measure Conjecture In mathematics, the Ahlfors conjecture, now a theorem, states that the limit set of a finitely-generated Kleinian group is either the whole Riemann sphere, or has measure 0. The conjecture was introduced by , who proved it in the case that the Kl ...

. In 2011 he was awarded a

Royal Society Wolfson Research Merit Award The Royal Society Wolfson Research Merit Award was an award made by the Royal Society from 2000 to 2020. It was administered by the Royal Society and jointly funded by the Wolfson Foundation and the UK Office of Science and Technology, to provide ...

, and in 2012, he became a

Fellow of the American Mathematical Society The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings, ...

. In 2012 he delivered the Namboodiri Lectures at the University of Chicago, and in 2013 he delivered the Blumenthal Lectures at Tel Aviv University.

Selected works

* * * * * * * *

Personal life

Mathematician Frank Calegari is Danny Calegari's brother.

References

External links

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