M. B. Branco , C. Correia Ramos , S. Fernandes & S. Santos,  Numerical semigroups and periodic orbits for Markov interval maps, Journal of Difference Equations and Applications, 2017.

 

Jorge Duarte, Cristina Januário, Nuno Martins, Carlos Ramos, Carla Rodrigues and

Josep Sardanyés, An optimal homotopy analysis of a chaotics HIV-1 model incorporating

AIDS-related cancer cells, Numer Algor (2017)

 

Correia Ramos, C.; Martins, Nuno; Pinto, Paulo R. Toeplitz algebras arising from escape points of interval maps. Banach J. Math. Anal. Volume 11, Number 3 (2017), 536-553.

 

Luis Bandeira, C. Correia Ramos, Transition matrices characterizing a certain totally discontinuous map of the interval, Journal of Mathematical Analysis and Applications,Volume 444, Issue 2, 15 December 2016, 1274-1303

 

C. C. Ramos, A. I. Santos and S. Vinagre, Symbolic dynamics generated by a hybrid chaotic systems, British Journal of Mathematics & Computer Science 18(2): 1-12, 2016.

 

C.C. Ramos, A. I. Santos and S. Vinagre, A symbolic approach to nonlinearly perturbed heat equation, Int. J. of Pure and Applied Math., 107, (2016), n.º 4, 821-843

 

Luis Bandeira, C. Correia Ramos, On the spectra of certain matrices and the iteration of quadratic maps, SEMA Jounal, 67 –  Issue 1 - Springer Verlag, 2015, pag. 51-69.

 

Correia Ramos, C.; Martins, Nuno; Pinto, Paulo R. Orbit representations from matrices. Linear Algebra Appl. 453, 2014, 44–58.

 

Correia Ramos, C,; Martins, Nuno; Pinto, Paulo R, Baumslag-solitar group C*-algebras from interval maps. Banach J. Math. Anal., 8, 2014, no.1, 138-147.

 

Maria F. Correia, Carlos C. Ramos, S. M. Vinagre, Invariants for the topological characterization of the iteration of differentiable functions – the bimodal case, Eur Phys. J. Special Topics 222, 285-301 (2013)

 

Correia Ramos, C,; Martins, Nuno; Pinto, Paulo R, On C*-Algebras from Interval Maps. Complex Analysis and Operator Theory, 1, 2013, 221-235. doi: 10.1007/s11785-011-0132-7.

 

Sara Fernandes, Clara Grácio, Carlos Correia Ramos, Systoles in discrete dynamical systems, Journal of Geometry and Physics, Volume 63, January 2013, Pages 129–139

 

A. Nascimento Baptista, C. Correia Ramos, Nuno Martins, Iteration of quadratic maps on matrix algebras, International Journal of Bifurcation and Chaos Volume 22, Issue 06, June 2012 (doi: 10.1142/S0218127412501507).

 

Correia Ramos, Carlos; Martins, Nuno; Pinto, Paulo R. Orbit representations from linear mod 1 transformations. SIGMA Symmetry Integrability Geom. Methods Appl. 8 (2012), Paper 029, 9 pp

 

Maria F. Correia, Carlos C. Ramos, Sandra Vinagre, The evolution and distribution of the periodic critical values of iterated differentiable functions, Nonlinear Analysis 75 (2012) 6343–6359.

 

Correia M.F., Correia Ramos, C., Vinagre S, Iteration of Differentiable Functions under m-Modal Maps with Aperiodic Kneading Sequences, International Journal of Mathematics and Mathematical Sciences, Volume 2012, Article ID 796180, 17 pages. doi:10.1155/2012/796180

 

Correia M.F., Correia Ramos, C., Vinagre S, Iteration of Differentiable functions under m-modal maps,  Int. J. Pure  Appl. Math., 70 (2) (2011) 151 - 166.

 

C. Correia Ramos, Nuno Martins and A. Nascimento Baptista, Dynamics on certain sets of stochastic matrices, Nonlinear Dynamics, Volume 65, Number 3, (2011), Pages 301-310

 

Correia Ramos, C.,; Martins, Nuno; Pinto, Paulo R. Interval maps from Cuntz-Krieger álgebras, J. Math. Anal. Appl. 374, No. 2, (2011), 347-354.

 

Fernandes S., Grácio C., Correia Ramos, C., Conductance in discrete dynamical systems. Nonlinear Dynam. 61 (2010), no. 3, 435–442

 

Bandeira, L.; Martinho, Maria J.; Correia Ramos, C. Interval maps associated to the cellular automaton rule 184. Chaos Solitons Fractals 41, no. 3, (2009), 1501-1509.

 

Caneco A. , Fernandes S. , Grácio C. , Rocha J.L. , Correia Ramos, C, Synchronizability and Graph Invariants, ISAST Transactions on Computers and Intelligent Systems, no 2, Vol 1, (2009), 47-53.

 

Ramos C. Correia, Martins N., Sousa Ramos J., Severino R., Discrete potential theory for iterated maps of the interval, Advanced Studies in Pure Mathematics 53, (2009), 153-160

 

Ramos, C.Correia; Martins, Nuno; Pinto, Paulo R.; Ramos, J.Sousa, Cuntz-Krieger algebras representations from orbits of interval maps. J. Math. Anal. Appl. 341, No. 2, (2008), 825-833.

 

Ramos C. Correia; Martins N., Paulo R.; Sousa Ramos, J. Orbit equivalence and von Neumann algebras for expansive interval maps. Chaos Solitons Fractals, 33, no. 1, (2007) 109-117.

 

Ramos, C.Correia; Martins, N.; Ramos, J.Sousa, Finite dimensional representations of  * - algebras arising from a quadratic map. Chaos Solitons Fractals 34, No. 4, (2007) ,1202-1212.

 

C. Correia Ramos, N. Martins, J. Sousa Ramos, Conductance and noncommutative dynamical systems, Nonlinear Dynamics (2006) 44: 127-134, Springer.

 

C. Correia Ramos, N. Martins, R. Severino, J. Sousa Ramos, Noncommutative topological dynamics. Chaos, Solitons Fractals 27, no. 1 (2006), 15 - 23.

 

M. Mercês Ramos, C. Correia Ramos, R. Severino, J. Sousa Ramos, Topological invariants  of a chaotic pendulum,  Int. J. Pure  Appl. Math., 10 (2) (2004) 209 - 226.

 

C. Correia Ramos, J. Sousa Ramos, Kleinian groups and holomorphic dynamics, International Jour. Bifurcation and Chaos, 13, 7 (2003) 1959 - 1967.

 

 

 

 

 

Proceedings with referee

 

 

Correia, Maria de Fátima; Ramos, Carlos; Vinagre, Sandra Substitution systems associated with the dynamical system (A,Tf). European Conference on Iteration Theory 2010, 159–169, ESAIM Proc., 36, EDP Sci., Les Ulis, 2012.

 

Correia M.F C. Correia Ramos, Vinagre S, On the iteration of smooth maps, Proceedings of 12th ICDEA 2007, World Scientific. ISBN 978-981-4287-64, Nov 2010

 

Baptista Alexandra, C. Correia Ramos, Nuno Martins, Difference Equations on Matrix Algebras, Proceedings of 12th ICDEA 2007, World Scientific. ISBN 978-981-4287-64, Nov 2010

 

Bandeira, L.; Martinho, Maria J.; Correia Ramos, C. Interval maps and cellular automata, Proceedings of 12th ICDEA 2007, World Scientific. ISBN 978-981-4287-64, Nov 2010

 

Mercês Sousa Ramos, Pedro Sarreira,, C. Correia Ramos, La complexité de lápprentissage scolaire des concepts scientifiques, Actes du Colloque International Francophone “Complexité 2010”  Lille, France, mercredi 31 Mars et jeudi 1 Avril 2010.

 

Correia M.F., C. Correia Ramos, Vinagre S, Symbolic dynamics for iterated smooth functions, European Conference on Iteration Theory (ECIT08) (A. N. Sharkovsky, I.M. Sushko, Eds). Grazer Mathematische Berichte, Nr 354 (2009), 26-36

 

Ramos C., Riera M. Evolutionary dynamics and the generation of cellular automata, Iteration Theory (ECIT08) (A. N. Sharkovsky, I.M. Sushko, Eds,) Grazer Math. Berichte Nr 354 (2009), 219-236

 

C. Correia Ramos; Martins, Nuno; Pinto, Paulo R., Orbit representations and circle maps, Bastos, Maria Amélia (ed.) et al., Operator algebras, operator theory and applications. Selected papers of the international summer school and workshop, WOAT 2006, Lisbon, Portugal, September 1--5, 2006. Basel: Birkhäuser. Operator Theory: Advances and Applications 181, (2008) 417-427.

 

C. Correia Ramos; Martins N.; Sousa Ramos J.,. Fock representations for a quadratic commutation relation, Difference Equations, Special Functions and Orthogonal Polynomials, Proceedings of the ICDEA 2005, Munich, Germany, 25-30 July 2005, World Scientific, (2007) pp.537-546.

 

C. Correia Ramos; Martins N.; Severino R.; Sousa Ramos J., Critical groups for iterated maps, Difference Equations, Special Functions and Orthogonal Polynomials, Proceedings of Proceedings of the ICDEA 2005, Munich, Germany, 25-30 July 2005, World Scientific, (2007) pp.610-616.

 

C. Correia Ramos, N. Martins, P. Pinto, J. Sousa Ramos, Orbit equivalence and von Neumann algebras for piecewise linear unimodal maps, European Conference on Iteration Theory (ECIT'04), Grazer Math. Berichte, 350 (2006) 45-54.

 

C. Correia Ramos, N. Martins, J. Sousa Ramos, Noncommutative dimension associated with limit sets of Fuchsian groups. European Conference on Iteration Theory (ECIT02)  Grazer Math. Berichte, 346 (2004) 81-90.

Research

Publications