Now showing items 186-205 of 1650

• #### Categoric Aspects of Authentication ﻿

[OWP-2012-05] (Mathematisches Forschungsinstitut Oberwolfach, 2012-04-24)
• #### Categorical Linearly Ordered Structures ﻿

[OWP-2018-08] (Mathematisches Forschungsinstitut Oberwolfach, 2018-04-26)
We prove that for every computable limit ordinal $\alpha$ there exists a computable linear ordering $\mathcal{A}$ which is $\Delta^0_\alpha$-categorical and $\alpha$ is smallest such, but nonetheless for every isomorphic ...
• #### A categorical model for the virtual braid group ﻿

[OWP-2011-19] (Mathematisches Forschungsinstitut Oberwolfach, 2011-05-18)
• #### Central Limit Theorems for the Radial Spanning Tree ﻿

[OWP-2014-18] (Mathematisches Forschungsinstitut Oberwolfach, 2014)
Consider a homogeneous Poisson point process in a compact convex set in d-dimensional Euclidean space which has interior points and contains the origin. The radial spanning tree is constructed by connecting each point of ...
• #### 1815 - Challenges in Optimal Control of Nonlinear PDE-Systems ﻿

[OWR-2018-16] (2018) - (08 Apr - 14 Apr 2018)
The workshop focussed on various aspects of optimal control problems for systems of nonlinear partial diﬀerential equations. In particular, discussions around keynote presentations in the areas of optimal control of ...
• #### 0935 - Challenges in Statistical Theory: Complex Data Structures and Algorithmic Optimization ﻿

[OWR-2009-39] (2009) - (23 Aug - 29 Aug 2009)
Technological developments have created a constant incoming stream of complex new data structures that need analysis. Modern statistics therefore means mathematically sophisticated new statistical theory that generates or ...
• #### Chaos and chaotic fluid mixing ﻿

[SNAP-2015-005-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2015)
Very simple mathematical equations can give rise to surprisingly complicated, chaotic dynamics, with behavior that is sensitive to small deviations in the initial conditions. We illustrate this with a single recurrence ...
• #### A Characterization of Semisimple Plane Polynomial Automorphisms ﻿

[OWP-2008-08] (Mathematisches Forschungsinstitut Oberwolfach, 2008-03-12)
It is well-known that an element of the linear group $GL_n(\mathbb{C})$ is semisimple if and only if its conjugacy class is Zariski closed. The aim of this paper is to show that the same result holds for the group of complex ...
• #### A Cheeger Type Inequality in Finite Cayley Sum Graphs ﻿

[OWP-2019-21] (Mathematisches Forschungsinstitut Oberwolfach, 2019-07-31) - (5 May - 27 July 2019)
Let $G$ be a finite group and $S$ be a symmetric generating set of $G$ with $|S| = d$. We show that if the undirected Cayley sum graph $C_{\Sigma}(G,S)$ is an expander graph and is non-bipartite, then the spectrum of its ...
• #### Chirality of Real Non-Singular Cubic Fourfolds and Their Pure Deformation Classification ﻿

[OWP-2019-14] (Mathematisches Forschungsinstitut Oberwolfach, 2019-05-15)
In our previous works we have classified real non-singular cubic hypersurfaces in the 5-dimensional projective space up to equivalence that includes both real projective transformations and continuous variations of ...
• #### 0427 - Classical Algebraic Geometry ﻿

[OWR-2004-31] (2004) - (27 Jun - 03 Jul 2004)
• #### 0824 - Classical Algebraic Geometry ﻿

[OWR-2008-26] (2008) - (08 Jun - 14 Jun 2008)
• #### 0222 - Classical Algebraic Geometry ﻿

[TB-2002-26] (2002) - (26 May - 01 Jun 2002)
• #### 1025 - Classical Algebraic Geometry ﻿

[OWR-2010-27] (2010) - (20 Jun - 26 Jun 2010)
Algebraic geometry studies properties of specific algebraic varieties, on the one hand, and moduli spaces of all varieties of fixed topological type on the other hand. Of special importance is the moduli space of curves, ...
• #### 0624 - Classical Algebraic Geometry ﻿

[OWR-2006-27] (2006) - (11 Jun - 17 Jun 2006)
• #### 1225 - Classical Algebraic Geometry ﻿

[OWR-2012-30] (2012) - (17 Jun - 23 Jun 2012)
Progress in algebraic geometry often comes through the introduction of new tools and ideas to tackle the classical problems the development of the field. Examples include new invariants that capture some aspect of geometry ...
• #### 1427 - Classical Algebraic Geometry ﻿

[OWR-2014-31] (2014) - (29 Jun - 05 Jul 2014)
Progress in algebraic geometry usually comes through the introduction of new tools and ideas to tackle the classical problems of the field. Examples include new invariants that capture some aspect of geometry in a novel ...
• #### 1624 - Classical Algebraic Geometry ﻿

[OWR-2016-29] (2016) - (12 Jun - 18 Jun 2016)
Progress in algebraic geometry often comes through the introduction of new tools and ideas to tackle the classical problems the development of the field. Examples include new invariants that capture some aspect of geometry ...
• #### 0348 - Classical and Quantum Mechanical Models of Many-Particle Systems ﻿

[TB-2003-51] (2003) - (23 Nov - 29 Nov 2003)
• #### 1049 - Classical and Quantum Mechanical Models of Many-Particle Systems ﻿

[OWR-2010-54] (2010) - (05 Dec - 11 Dec 2010)
The topic of this meeting were non-linear partial differential and integro-differential equations (in particular kinetic equations and their macroscopic/fluid-dynamical limits) modeling the dynamics of many-particle systems ...