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atified bundles and étale fundamental group
atified bundles étale fundamental group
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2011/2/25
On X projective smooth over an algebraically closed field of characteristic p > 0, we show that irreducible stratified bundles have rank 1 if and only if the commutator [´et 1 , ´et
1 ]...
Generating stable modular graphs
Generating stable modular graphs
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2011/2/24
We present the program boundary, whose source les are available at http://people.sissa.it/~maggiolo/boundary/. Given two natural num-bers g and n satisfying 2g + n 2 > 0, the program gener...
Best approximation in max-plus semimodules
Elements of best approximation Max-plus algebra
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2011/2/28
We establish new results concerning projectors on max-plus spaces, as well as separating half-spaces, and derive an explicit formula for the distance in Hilbert's projective metric between a point and...
Deformations of modules of maximal grade and the Hilbert scheme at determinantal schemes
Deformations of modules of maximal grade Hilbert scheme determinantal schemes
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2011/1/19
Let R be a polynomial ring and M a finitely generated graded R-module of maximal grade (which means that the ideal It(A) generated by the maximal minors of a homogeneous presentation matrix.
Experimental evidence of conformal invariance in soap film turbulent flows
Experimental evidence of conformal invariance soap film turbulent flows
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2011/3/2
We present experimental evidence of statistical conformal invariance in isocontours of fluid thickness in experiments of two-dimensional turbulence using soap films. A Schlieren technique is used to v...
Modal Hamiltonian interpretation of quantum mechanics and Casimir operators: the road towards quantum field theory
Modal Hamiltonian interpretation of quantum mechanics Casimir operators quantum field theory
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2011/3/2
The general aim of this paper is to extend the Modal-Hamiltonian interpretation of quantum mechanics to the case of relativistic quantum mechanics with gauge U(1) fields.
Brauer group of moduli spaces of pairs
Brauer group moduli of pairs stably rational
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2010/12/13
We show that the Brauer group of any moduli space of stable pairs with fixed determinant over a curve is zero.
Simple dg modules for positive dg algebras
Simple dg modules positive dg algebras
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2010/12/14
For a dg algebra whose homology is of finite dimension in each degree, vanishes in negative
degrees and is semi-simple in degree 0, we show that each simple module over the homology lifts to a differ...
Adaptive Finite Element Modeling Techniques for the Poisson-Boltzmann Equation
Poisson-Boltzmann equation semi-linear partial differential equations
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2010/12/14
We consider the design of an effective and reliable adaptive finite element method (AFEM) for the nonlinear Poisson-Boltzmann equation (PBE).We first examine the two-term regularization technique for ...
Splitting Line Patterns in Free Groups
free group group splitting line pattern Whitehead graph
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2010/12/6
There is a canonical JSJ-decomposition of a free group relative to a line pattern. This provides a characterization of virtually geometric multiwords. They are the multiwords that are built from geome...
Heat conduction: a telegraph-type model with self-similar behavior of solutions II
Heat conduction telegraph-type model self-similar behavior of solutions II
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2010/12/15
In our former study (J. Phys. A: Math. Theor. 43, (2010) 325210 or arXiv:1002.0999v1 [math-
ph]) we introduced a modified Fourier-Cattaneo law and derived a non-autonomous telegraph-type
heat conduc...
Modular dynamics in diamonds
Modular dynamics diamonds
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2010/12/13
We investigate the relation between the actions of Tomita-Takesaki modular operators for local von Neumann algebras in the vacuum for free massive and massless bosons in four dimensional Minkowskian s...
hermodynamic formalism for the positive geodesic flow on the modular surface
hermodynamic formalism positive geodesic flow modular surface
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2010/12/10
In this note we study the thermodynamic formalism for the pos-itive geodesic flow on the modular surface. We define the pressure and prove the variational principle. We also establish conditions for t...
Moduli of Galois p-covers in mixed characteristics
Moduli of Galois p-covers mixed characteristics
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2010/12/9
Fix a prime number p. The aim of this paper is to define a complete moduli stack of degree-p covers Y → X, with Y a stable curve which is a G-torsor over X, for a suitable group scheme G/X. The curve ...
Seminar Notes on Open Questions in Iwasawa Theory - SNOQIT I: The $\Lambda[ G ]$-modules of Iwasawa theory II: Units and Kummer theory in Iwasawa extensions
11R23 Iwasawa Theory 11R27 Units
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2010/12/9
For = Zp[[T ]], the ring of formal power series in one variable, the structure of the finitely generated - torsion modules is a main concern of Iwasawa theory. In this first part of Snoqit1 we inv...