A5063874884- Mathematical Dynamics and Fractals
- Advanced Differential Equations and Dynamical Systems
- Meromorphic and Entire Functions
- Algebraic Geometry and Number Theory
- Geometry and complex manifolds
- Quantum chaos and dynamical systems
- Toxic Organic Pollutants Impact
- Geometric Analysis and Curvature Flows
- Advanced Neural Network Applications
- Robotics and Sensor-Based Localization
- Advanced Topology and Set Theory
- Stochastic processes and financial applications
- Marine and coastal ecosystems
- Groundwater flow and contamination studies
- Atmospheric chemistry and aerosols
- Water Quality and Resources Studies
- French Urban and Social Studies
- Mathematics and Applications
- Stochastic processes and statistical mechanics
- advanced mathematical theories
- Polynomial and algebraic computation
- Advanced Numerical Analysis Techniques
- Soil Geostatistics and Mapping
- Arsenic contamination and mitigation
- Nutritional Studies and Diet
Université Rennes 2
2024
Université de Rennes
2024
Centre National de la Recherche Scientifique
2002-2024
Michigan Department of Environment, Great Lakes, and Energy
2022-2024
École de management de Lyon
2024
Institut de Physique de Rennes
2022-2024
École Polytechnique
2018-2023
Laboratoire de Mathématiques d'Orsay
2022-2023
Travaux et Recherches Archéologiques sur les Cultures, les Espaces et les Sociétés
2023
Centre de Mathématiques Laurent Schwartz
2018-2022
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTFluorescence quenching method for determining equilibrium constants polycyclic aromatic hydrocarbons binding to dissolved humic materialsThomas D. Gauthier, Edward C. Shane, William F. Guerin, W. Rudolf. Seitz, and Clarence L. GrantCite this: Environ. Sci. Technol. 1986, 20, 11, 1162–1166Publication Date (Print):November 1, 1986Publication History Published online1 May 2002Published inissue 1 November...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffects of structural and compositional variations dissolved humic materials on pyrene Koc valuesThomas D. Gauthier, W. Rudolf. Seitz, Clarence L. GrantCite this: Environ. Sci. Technol. 1987, 21, 3, 243–248Publication Date (Print):March 1, 1987Publication History Published online1 May 2002Published inissue 1 March 1987https://pubs.acs.org/doi/10.1021/es00157a003https://doi.org/10.1021/es00157a003research-articleACS PublicationsRequest reuse...
Spearman's rank correlation coefficient is a useful tool for exploratory data analysis in environmental forensic investigations. In this application it used to detect monotonic trends chemical concentration with time or space.
Municipal solid waste landfills are significant sources of atmospheric methane, the second most important greenhouse gas after carbon dioxide. Large emissions methane from contribute not only to global climate change, but also local ozone formation due enhancement radical chain lengths in reactions volatile organic compounds and nitrogen oxides. Several advanced techniques were deployed measure two Southeast Michigan nonattainment area during Michigan–Ontario Ozone Source Experiment (MOOSE)....
Abstract Electron transfer is a fundamental energy conversion process widely present in synthetic, industrial, and natural systems. Understanding the electron important to exploit uniqueness of low-dimensional van der Waals (vdW) heterostructures because interlayer produces function this class material. Here, we show occurrence an one-dimensional layer-stacking carbon nanotubes (CNTs) boron nitride (BNNTs). This observation makes use femtosecond broadband optical spectroscopy, ultrafast...
When an endomorphism f:X→X of a projective variety which is polarized by ample line bundle L, i.e. such that f * L≃L ⊗d with d≥2, defined over number field, Call and Silverman canonical height h ^ for f. In family (𝒳,f,ℒ) parametrized curve S together section P:S→𝒳, they show t (P(t))/h(t) converges to the η (P ) on generic fiber.
A.-In the moduli space M d of degree rational maps, bifurcation locus is support a closed (1, 1) positive current T bif which called current.This gives rise to measure µ := (T ) 2d-2 whose seat strong bifurcations.Our main result says that supp(µ has maximal Hausdorff dimension 2(2d -2).As consequence, set maps having (2d -2) distinct neutral cycles dense in full dimension.R.-Dans l'espace des modules fractions rationnelles de degré d, le lieu est d'un 1)-courant positif fermé...
In this article, we study algebraic dynamical pairs (f,a) parametrized by an irreducible quasi-projective curve Λ having absolutely continuous bifurcation measure. We prove that, if f is non-isotrivial and unstable, equivalent to the fact that a family of Lattès maps. To do so, density transversely prerepelling parameters in locus similarity property, at any parameter λ 0 , between measure μ f,a maximal entropy . also establish result for ℙ k under additional mild assumption.
Polycyclic aromatic hydrocarbon (PAH) concentrations were measured in stream sediments collected before and after a municipal ban on the use of coal-tar–based pavement sealers Austin, Texas. Samples October 2005, prior to ban, again April, 2008, approximately 2 years ban. Differences total PAH between samples show no net change levels Austin sediments. Results fingerprinting reveal subtle differences profiles that appear reflect effects weathering rather than sources.
We describe all special curves in the parameter space of complex cubic polynomials, that is algebraic irreducible containing infinitely many post-critically finite polynomials. This solves a strong form conjecture by Baker and DeMarco for Let Perm(λ) be curve consisting those polynomials admit an orbit period m multiplier λ. also prove component if only λ=0.
Given a sequence of complex numbers {\rho}_n, we study the asymptotic distribution sets parameters c {\epsilon} C such that quadratic maps z^2 +c has cycle period n and multiplier {\rho}_n. Assume 1/n.log|{\rho}_n| tends to L. If L {\leq} log 2, they equidistribute on boundary Mandelbrot set. > 2 equipotential set level 2L - 2.
We prove that along any marked point the Green function of a meromorphic family polynomials parameterized by punctured unit disk explodes exponentially fast near origin with continuous error term.
1,3-Dimethylamylamine (1,3-DMAA) is an aliphatic amine with stimulant properties that are reportedly found naturally only in geranium plants (Pelargonium graveolens). The presence of 1,3-DMAA was first reported a paper published 1996, but some have questioned the identification study. Since then, number additional studies been published, largely reporting absence and commercial oils. However, two recent studies, detected plant tissues oil sample using simplified extraction approach on...
An endomorphism $f:\mathbb{P}^k\to\mathbb{P}^k$ of degree $d\geq2$ is said to be postcritically finite (or PCF) if its critical set $\mathrm{Crit}(f)$ preperiodic, i.e. there are integers $m>n\geq0$ such that $f^m(\mathrm{Crit}(f))\subseteq f^n(\mathrm{Crit}(f))$. When $k\geq2$, it was conjectured by Ingram, Ramadas and Silverman that, in the space $\mathrm{End}_d^k$ all endomorphisms $d$ $\mathbb{P}^k$, not Zariski dense. We prove this conjecture. Further, $\mathrm{Poly}_d^2$ regular...
Nowadays, materials science is moving towards the understanding and control of in nonequilibrium states by making use perturbative techniques to investigate their dynamical responses. From this perspective, ultrashort light pulses seems be a relevant approach as it can selectively address different degrees freedom solid-state systems more particularly electrons. Such method help decipher physical phenomena arising from electronic correlations complements conventional methodology where phase...
Abstract Ground water at many sites is contaminated by chlorinated solvents which are of relatively low solubility and denser than water, as well other contaminants similar properties. The presence a dense nonaqueous phase liquid (DNAPL) in an aquifer can provide continued flux to the dissolved long after initial discharge. may be significant even when has dispersed state residual saturation, little or no free product detected recovered. At industrial site we required estimate magnitude...