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Lagrangian mean curvature flow
[SNAP-2021-011-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2021-09-16)
Lagrangian mean curvature flow is a powerful tool in modern mathematics with connections to topics in analysis, geometry, topology and mathematical physics. I will describe some of the key aspects of Lagrangian mean curvature ...
Finite geometries: pure mathematics close to applications
[SNAP-2021-010-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2021-09-22)
The research field of finite geometries investigates structures with a finite number of objects. Classical examples include vector spaces, projective spaces, and affine spaces over finite fields. Although many of these ...
From the dollar game to the Riemann-Roch Theorem
[SNAP-2021-001-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2021-02-23)
What is the dollar game? What can you do to win
it? Can you always win it? In this snapshot you
will find answers to these questions as well as several
of the mathematical surprises that lurk in the background,
including ...
The Enigma behind the Good–Turing formula
[SNAP-2021-008-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2021-07-16)
Finding the total number of species in a population
based on a finite sample is a difficult but practically
important problem. In this snapshot, we will attempt
to shed light on how during World War II, two
cryptanalysts, ...
Searching for structure in complex data: a modern statistical quest
[SNAP-2021-003-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2021-03-29)
Current research in statistics has taken interesting
new directions, as data collected from scientific studies
has become increasingly complex. At first glance,
the number of experiments conducted by a scientist
must ...
$C^*$-algebras: structure and classification
[SNAP-2021-002-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2021-02-23)
The theory of $C^*$-algebras traces its origins back to
the development of quantum mechanics and it has
evolved into a large and highly active field of mathematics.
Much of the progress over the last couple
of decades ...
Reflections on hyperbolic space
[SNAP-2021-007-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2021-08-24)
In school, we learn that the interior angles of any triangle sum up to pi. However, there exist spaces different from the usual Euclidean space in which this is not true. One of these spaces is the ''hyperbolic space'', ...
Ultrafilter methods in combinatorics
[SNAP-2021-006-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2021-06-25)
Given a set X, ultrafilters determine which subsets
of X should be considered as large. We illustrate
the use of ultrafilter methods in combinatorics by
discussing two cornerstone results in Ramsey theory,
namely ...
Invitation to quiver representation and Catalan combinatorics
[SNAP-2021-004-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2021-04-08)
Representation theory is an area of mathematics that
deals with abstract algebraic structures and has numerous
applications across disciplines. In this snapshot,
we will talk about the representation theory of
a class ...
Describing distance: from the plane to spectral triples
[SNAP-2021-009-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2021-12-31)
Geometry draws its power from the abstract structures that govern the shapes found in the real world. These abstractions often provide deeper insights into the underlying mathematical objects. In this snapshot, we give a ...