Now showing items 314-333 of 1741

• #### Contractive Idempotents on Locally Compact Quantum Groups ﻿

[OWP-2012-19] (Mathematisches Forschungsinstitut Oberwolfach, 2012)
A general form of contractive idempotent functionals on coamenable locally compact quantum groups is obtained, generalising the result of Greenleaf on contractive measures on locally compact groups. The image of a convolution ...
• #### Control of Volterra systems with scalar kernels ﻿

[OWP-2009-16] (Mathematisches Forschungsinstitut Oberwolfach, 2009-03-10)
Volterra observations systems with scalar kernels are studied. New sufficient conditions for admissibility of observation operators are developed and some examples are discussed.
• #### 1509 - Control Theory: A Mathematical Perspective on Cyber-Physical Systems ﻿

[OWR-2015-12] (2015) - (22 Feb - 28 Feb 2015)
Control theory is an interdisciplinary field that is located at the crossroads of pure and applied mathematics with systems engineering and the sciences. Recently the control field is facing new challenges motivated by ...
• #### 1209 - Control Theory: Mathematical Perspectives on Complex Networked Systems ﻿

[OWR-2012-12] (2012) - (26 Feb - 03 Mar 2012)
Control theory is an interdisciplinary field that is located at the crossroads of pure and applied mathematics with systems engineering and the sciences. Its range of applicability and its techniques evolve rapidly with ...
• #### 0909 - Control Theory: On the Way to New Application Fields ﻿

[OWR-2009-11] (2009) - (22 Feb - 28 Feb 2009)
Control theory is an interdisciplinary ﬁeld that is located at the crossroads of pure and applied mathematics with systems engineering and the sciences. Recently, deep interactions are emerging with new application areas, ...
• #### 0037 - Controlling Complexity for Strong Stochastic Dependencies ﻿

[TB-2000-37] (2000) - (10 Sep - 16 Sep 2000)
• #### 0605 - Convex and Algebraic Geometry ﻿

[OWR-2006-5] (2006) - (29 Jan - 04 Feb 2006)
The subjects of convex and algebraic geometry meet primarily in the theory of toric varieties. Toric geometry is the part of algebraic geometry where all maps are given by monomials in suitable coordinates, and all equations ...
• #### 0949 - Convex Geometry and its Applications ﻿

[OWR-2009-53] (2009) - (29 Nov - 05 Dec 2009)
The geometry of convex domains in Euclidean space plays a central role in several branches of mathematics: functional and harmonic analysis, the theory of PDE, linear programming and, increasingly, in the study of other ...
• #### 1550 - Convex Geometry and its Applications ﻿

[OWR-2015-56] (2015) - (06 Dec - 12 Dec 2015)
The past 30 years have not only seen substantial progress and lively activity in various areas within convex geometry, e.g., in asymptotic geometric analysis, valuation theory, the $L_p$-Brunn-Minkowski theory and stochastic ...
• #### 1250 - Convex Geometry and its Applications ﻿

[OWR-2012-59] (2012) - (09 Dec - 15 Dec 2012)
The geometry of convex domains in Euclidean space plays a central role in several branches of mathematics: functional and harmonic analysis, the theory of PDE, linear programming and, increasingly, in the study of other ...
• #### 1744b - Copositivity and Complete Positivity ﻿

[OWR-2017-52] (2017) - (29 Oct - 04 Nov 2017)
A real matrix $A$ is called copositive if $x^TAx \ge 0$ holds for all $x \in \mathbb R^n_+$. A matrix $A$ is called completely positive if it can be factorized as $A = BB^T$ , where $B$ is an entrywise nonnegative matrix. ...
• #### 1516b - Copulae: On the Crossroads of Mathematics and Economics ﻿

[OWR-2015-20] (2015) - (12 Apr - 18 Apr 2015)
The central focus of the workshop was on copula theory as well as applications to multivariate stochastic modelling. The programme was intrinsically interdisciplinary and represented areas with much recent progress. The ...
• #### 1143a - Correlations and Interactions for Random Quantum Systems ﻿

[OWR-2011-50] (2011) - (23 Oct - 29 Oct 2011)
Random quantum systems cover a broad range of mathematical models from random Schr¨odinger operators to random matrices and quantum spin models with random parameters. Their understanding requires techniques which combine ...
• #### Counting Curves on Toric Surfaces Tropical Geometry & the Fock Space ﻿

[OWP-2017-18] (Mathematisches Forschungsinstitut Oberwolfach, 2017-07-17)
We study the stationary descendant Gromov–Witten theory of toric surfaces by combining and extending a range of techniques – tropical curves, floor diagrams, and Fock spaces. A correspondence theorem is established between ...
• #### Counting self-avoiding walks on the hexagonal lattice ﻿

[SNAP-2019-006-EN] (Mathematisches Forschungsinstitut Oberwolfach, 2019-06-04)
In how many ways can you go for a walk along a lattice grid in such a way that you never meet your own trail? In this snapshot, we describe some combinatorial and statistical aspects of these so-called self-avoiding ...
• #### Coxeter Arrangements and Solomon's Descent Algebra ﻿

[OWP-2011-03] (Mathematisches Forschungsinstitut Oberwolfach, 2011-05-6)
• #### Criteria for Algebraicity of Analytic Functions ﻿

[OWP-2018-25] (Mathematisches Forschungsinstitut Oberwolfach, 2018-11-12)
We consider functions defined on an open subset of a nonsingular, either real or complex, algebraic set. We give criteria for an analytic function to be a Nash (resp. regular, resp. polynomial) function. Our criteria depend ...
• #### Cryptanalysis of Public-key Cryptosystems Based on Algebraic Geometry Codes ﻿

[OWP-2012-01] (Mathematisches Forschungsinstitut Oberwolfach, 2012-03-20)
This paper addresses the question of retrieving the triple $(\mathcal{X},\mathcal{P},\mathcal{E})$ from the algebraic geometry code $\mathcal{C}_L(\mathcal{X},\mathcal{P},\mathcal{E})$, where $\mathcal{X}$ is an algebraic ...
• #### 1431 - Cryptography ﻿

[OWR-2014-35] (2014) - (27 Jul - 02 Aug 2014)
The Oberwolfach workshop Cryptography brought together scientists from cryptography with mathematicians specializing in the algorithmic problems underlying cryptographic security. The goal of the workshop was to stimulate ...
• #### 1703 - Cryptography ﻿

[OWR-2017-5] (2017) - (15 Jan - 21 Jan 2017)
The Oberwolfach workshop Cryptography brought together scientists from cryptography with mathematicians specializing in the algorithmic problems underlying cryptographic security. The goal of the workshop was to stimulate ...