Below is my list of published papers:

• P. Piccione, D. Tausk, The Morse Index Theorem in semi-Riemannian Geometry, Topology 41 (2002), no. 6, pgs. 1123-1159.
• P. Piccione, D. Tausk, A Note on the Morse Index Theorem for Geodesics between Submanifolds in semi-Riemannian Geometry, Journal of Mathematical Physics 40, vol. 12 (1999), pp. 6682-6688.
• P. Piccione, D. Tausk, The Maslov Index and a Generalized Morse Index Theorem for Non Positive Definite Metrics, Comptes Rendus de l'Académie de Sciences (Paris), vol. 331, issue 5 (2000), pp. 385--389.
• P. Piccione, D. V. Tausk, An Index Theorem for Non Periodic Solutions of Hamiltonian Systems, Proceedings of the London Mathematical Society (3) 83 (2001), pgs. 351-389.
• F. Giannoni, A. Masiello, P. Piccione, D. V. Tausk, A Generalized Index Theorem for Morse-Sturm Systems and Applications to semi-Riemannian Geometry, Asian Journal of Mathematics, vol. 5, n. 3 (2001), pgs. 441-472.
• P. Piccione, D. V. Tausk, On the Banach Differential Structure for Sets of Maps on Non-Compact Domains, Journal of Nonlinear Analysis: Series A Theory and Methods, 46 (2001), pgs. 245-265.
• P. Piccione, D. Tausk, Variational Aspects of the sub-Riemannian Geodesic Problem, Journal of Geometry and Physics, 39 (2001), pgs. 183-206.
• F. Giannoni, P. Piccione, D. V. Tausk, Morse Theory for the Travel Time Brachistochrones in Stationary Spacetimes, Discrete and Continuous Dynamical Systems, vol. 8, N. 3, 2002 (pgs. 697-724).
• P. Piccione, D. V. Tausk, On the Maslov and the Morse Index for Constrained Variational Problems, Journal de Mathématiques Pures et Appliquées, vol. 81, 2002 (pgs. 403-437).
• J. C. Correa Eidam, A. L. Pereira, P. Piccione, D. V. Tausk, On the Equality between the Maslov Index and the Spectral Index for the semi-Riemannian Jacobi Operator, Journal of Mathematical Analysis and Applications, vol. 268, No. 2 (2002), 564-589.
• L. Biliotti, F. Mercuri, D. V. Tausk, A Note on Tensor Fields in Hilbert Spaces, Anais da Academia Brasileira de Ciencias, 74(2), 2002, pgs 207-210.
• P. Piccione, D. Tausk, Lagrangian and Hamiltonian Formalism for Constrained Variational Problems, Proceedings of the Royal Society of Edinburgh, 132A, 1417-1437, 2002.
• F. Mercuri, P. Piccione, D. Tausk, Stability of the Conjugate Index, Degenerate Conjugate Points and the Maslov Index in semi-Riemannian Geometry, Pacific Journal of Mathematics, vol. 206, No. 2 (2002), pgs. 375-400.
• P. Piccione, D. Tausk, An Index Theory for Paths that are Solutions of a Class of Strongly Indefinite Variational Problems, Calculus of Variations and PDE's 15 (2002), no. 4, pgs. 529-551.