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- Universidade Federal de São CarlosBR4 papers
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16 papers · 1 filter
Hochschild Cohomology of skew group rings and invariants
Eduardo do Nascimento Marcos, Roberto Martinez-Villa, Maria Izabel Ramalho Martins
Let be a -algebra and be a group acting on . We show that also acts on the Hochschild cohomology algebra and that there is a monomorphism of rin…
On the non homogeneous quadratic Bessel zeta function
Mauro Spreafico
We study the non homogeneous quadratic Bessel zeta function defined as the sum of the square of the positive zeros of the Bessel function plus a positive c…
Skew category, Galois covering and smash product of a -category
Claude Cibils, Eduardo N. Marcos
In this paper we consider categories over a commutative ring provided either with a free action or with a grading of a not necessarily finite group. We define the smash product cat…
On Peixoto's Conjecture for Flows on Non-orientable 2-Manifolds
Carlos Gutierrez, Benito Pires
Let M be a non-orientable compact 2-manifold of genus 4. Then there exists a family of quasi-minimal, Kupka-Smale smooth vector fields X_r in M, depending smoothly on 0<=r<e, such…
Reactive dynamics of inertial particles in nonhyperbolic chaotic flows
Adilson E. Motter, Ying-Cheng Lai, Celso Grebogi
Anomalous kinetics of infective (e.g., autocatalytic) reactions in open, nonhyperbolic chaotic flows are important for many applications in biological, chemical, and environmental…
The Brownian web: Characterization and convergence
L. R. G. Fontes, M. Isopi, C. M. Newman +1
The Brownian web (BW) is the random network formally consisting of the paths of coalescing one-dimensional Brownian motions starting from every space-time point in R\timesR. We ext…