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[2009-39] Almeida J, Klíma O. New decidable upper bound of the second level in the Straubing-Thérien concatenation hierarchy .Edit

Rosales J., García-Sánchez PA. Numerical semigroups. Vol 20 Springer, New York 2009.Edit

Gadbled A. Obstructions to the existence of monotone Lagrangian embeddings into cotangent bundles of manifolds fibered over the circle. Annales de l'Institut Fourier. 2009;59(3):1135-1175.

Passian A., Simpson H., Kouchekian S., Yakubovich SB. On the orthogonality of the MacDonald's functions. J. Math. Anal. Appl.. 2009;360:380-390.Edit

Hime G., Matos V.. Parallel computation of large amplitude shocks for a system of conservation laws with small data. Tadmor E, Liu J-G, Tzavaras A, editors College Park, Maryland, United States: American Mathematical Society 2009.Edit

Brunat JM, de Oliveira AG, Noy M. Partitions of a finite Boolean lattice into intervals. European J. Combin.. 2009;30:1801-1809.Edit

[2009-8] Llibre J, Rodrigues A. On the periodic orbits of Hamiltonian systems .Edit

[2009-18] Pin J-, Silva PV. On profinite uniform structures defined by varieties of finite monoids .Edit

[2009-45] Pinho E., Labouriau IS. On the projection of functions invariant under the action of a crystallographic group .Edit

Afonso O, Alves RH, Vasconcelos PB. Public deficits and economic growth. Economic Modelling. 2009;26:1101-1109.Edit

[2009-11] Stadlbauer M. On random topological Markov chains with big images and preimages .Edit

Almeida J, Steinberg B. Rational codes and free profinite monoids. J. Lond. Math. Soc. (2). 2009;79:465-477.Edit

[2009-5] Cordeiro E, Delgado M. On the relative solvability of certain inverse monoids .Edit

Almeida J, Margolis S, Steinberg B, Volkov M. Representation theory of finite semigroups, semigroup radicals and formal language theory. Trans. Amer. Math. Soc.. 2009;361:1429-1461.Edit

[2009-26] Moura A. Representations of the free profinite object over $\sf DA$ .

Büyükasik E, Lomp C. Rings whose modules are weakly supplemented are perfect. Applications to certain ring extensions. Math. Scand.. 2009;105:25-30.Edit

[2009-28] Almeida J, Costa JC, Teixeira M.. Semidirect product with an order-computable pseudovariety and tameness .Edit

[2009-6] Rebelo JC, Reis H. Separatrizes for $\mathbbC^2$-actions on 3-manifolds .Edit

Bernardes J, Gonçalves H, Ayres-de-Campos D., Rocha AP. Sex differences in linear and complex fetal heart rate dynamics of normal and acidemic fetuses in the minutes preceding delivery. {JOURNAL OF PERINATAL MEDICINE}. 2009;{37}:{168-176}.Edit

Simões M., Costa A., Oliveira PM. Simulation Based Design of Optimal Phasing Plans for an Intersection with Semi-Actuated Signals. In: Proceedings of the Twelfth International Conference on Civil, Structural and Environmental Engineering Computing.; 2009. 2. 246.Edit

[2009-14] Almeida J, Costa JC, Zeitoun M. Some structural properties of the free profinite aperiodic semigroup .Edit

Cardoso JS, Capela A., Rebelo A, Guedes C., Da Costa J. staff detection with stable paths. ieee transactions on pattern analysis and machine intelligence. 2009;31:1134-1139.Edit

Freitas JM, Todd M. The statistical stability of equilibrium states for interval maps. Nonlinearity. 2009;22:259-281.

Freitas AC. Statistics of the maximum for the tent map. Chaos Solitons Fractals. 2009;42:604-608.