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pro vyhledávání: '"Ramos, J. Sousa"'
In this paper we apply the techniques of symbolic dynamics to the analysis of a labor market which shows large volatility in employment flows. In a recent paper, Bhattacharya and Bunzel \cite{BB} have found that the discrete time version of the Pissa
Externí odkaz:
http://arxiv.org/abs/nlin/0608002
There is by now a large consensus in modern monetary policy. This consensus has been built upon a dynamic general equilibrium model of optimal monetary policy as developed by, e.g., Goodfriend and King (1997), Clarida et al. (1999), Svensson (1999) a
Externí odkaz:
http://arxiv.org/abs/nlin/0607064
We introduce a tree structure for the iterates of symmetric bimodal maps and identify a subset which we prove to be isomorphic to the family of unimodal maps. This subset is used as a second factor for a $\ast $-product that we define in the space of
Externí odkaz:
http://arxiv.org/abs/math/0403118
Autor:
Rodrigues, P. Martins, Ramos, J. Sousa
The role of generalized Bowen-Franks groups (BF-groups) as topological conjugacy invariants for $\mathbb{T}^{n}$ automorphisms is studied. Using algebraic number theory, a link is established between equality of BF-groups for different automorphisms
Externí odkaz:
http://arxiv.org/abs/math/0303185
Autor:
Rocha, J. Leonel, Ramos, J. Sousa
The purpose of this paper is to present a weighted kneading theory for unidimensional maps with holes. We consider extensions of the kneading theory of Milnor and Thurston to expanding discontinuous maps with holes and introduce weights in the formal
Externí odkaz:
http://arxiv.org/abs/math/0302354
Autor:
Mendes, Diana A., Ramos, J. Sousa
The main purpose of this paper is to present a kneading theory for two-dimensional triangular maps. This is done by defining a tensor product between the polynomials and matrices corresponding to the one-dimensional basis map and fiber map. We also d
Externí odkaz:
http://arxiv.org/abs/math/0301054
We compute the $K$-groups for the Cuntz-Krieger algebras $\mathcal{O}_{A_{\mathcal{K}(f_{\mu})}}$, where $A_{\mathcal{K}(f_{\mu})}$ is the Markov transition matrix arising from the \textit{kneading sequence }$\mathcal{K} (f_{\mu})$ of the one-paramet
Externí odkaz:
http://arxiv.org/abs/math/0209246
Autor:
Grácio, Clara, Ramos, J. Sousa
Publikováno v:
In Journal of Geometry and Physics 2010 60(11):1643-1655
Publikováno v:
In Chaos, Solitons and Fractals 2007 34(4):1202-1212
Autor:
Fernandes, Sara, Ramos, J. Sousa
Publikováno v:
In Chaos, Solitons and Fractals 2007 31(2):316-326