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On the generalized Nash problem for smooth germs and adjacencies of curve singularities
(2017-12-10)
In this paper we explore the generalized Nash problem for arcs on a germ of smooth surface: given two prime divisors above its special point, to determine whether the arc space of one of them is included in the arc space ...
Homogeneous singularity and the Alexander polynomial of a projective plane curve
(2017-12-10)
The Alexander polynomial of a plane curve is an important invariant in global theories on curves. However, it seems that this invariant and even a much stronger one the fundamental group of the complement of a plane curve ...
Wildland fire propagation modelling
(2017-12)
Wildfire propagation modelling is a challenging problem due to its complex
multi-scale multi-physics nature. This process can be described by a reaction-
diffusion equation based on the energy balance principle. Alternative ...
Stochastic spatial models in ecology: a statistical physics approach
(2017-11-21)
Ecosystems display a complex spatial organization. Ecologists have long tried to characterize them
by looking at how different measures of biodiversity change across spatial scales. Ecological neutral
theory has provided ...
Topology of Spaces of Valuations and Geometry of Singularities
(2017-11-11)
Given an algebraic variety X defined over an algebraically closed field, we study the space RZ(X,x) consisting of all the valuations of the function field of X which are centered in a closed point x of X. We concentrate ...
A proof of the integral identity conjecture, II
(2017-10-31)
In this note, using Cluckers-Loeser’s theory of motivic integration, we prove the integral identity conjecture with framework a localized Grothendieck ring of varieties over an arbitrary base field of characteristic zero.
Right unimodal and bimodal singularities in positive characteristic
(2017-08-07)
The problem of classification of real and complex singularities was initiated by Arnol'd in the sixties who classified simple, unimodal and bimodal singularities w.r.t. right equivalence. The classification of simple ...
Universal bounds for large determinants from non-commutative Hölder inequalities in fermionic constructive quantum field theory
(2017-08-02)
Efficiently bounding large determinants is an essential step in non-relativistic fermionic constructive quantum field theory to prove the absolute convergence of the perturbation expansion of correlation functions in terms ...
Wildland fire propagation modeling: fire-spotting parametrisation and energy balance
(2017-07-04)
Present research concerns the physical background of a wild-fire propagation model
based on the split of the front motion into two parts - drifting and fluctuating. The drifting part is solved by the level set method and ...
Representation of surface homeomorphisms by tête-à-tête graphs
(2017-06-21)
We use tête-à-tête graphs as defined by N. A'campo and extended versions to codify all periodic mapping classes of an orientable surface with non-empty boundary, improving work of N. A'Campo and C. Graf. We also introduce ...