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Going Seeing: It can't rain all the time.

Area of scientific activity:

Ordinary differential equations.
Integral equations.
Metric fixed points theory.
Geometry of Banach Spaces.
Functions spaces.
Several Complex variables.
Scheduling problems.
History of mathematics.

Supervising experience:

Supervisor of one Postdoc researcher in 2004-2005.

Publications:

Papers in international scientific periodicals:
[1] A. Fabiano -P.Pietramala, Cicli di dimensione zero, Atti Accad. Peloritana Pericolanti, Cl. Sci. Fis. Mat. Nat. 59, 1981, 133-148
[2] G.Marino-P.Pietramala, A note about inner products on Banach spaces, Boll. Un. Mat. Ital. A (7) 1, 1987, 425-427
[3] G.Marino-P.Pietramala-D.C.Struppa, Factorization of solutions of convolution operators, Kobe J. Math. 6, 1989, 23-36
[4] A.Fabiano-P.Pietramala, Sur la convexitè holomorphe. Théorie locale, Ann. Inst. Fourier, 40, 1990, 597-616
[5] G.Marino-P.Pietramala, Linear acute-angle bases in semi-inner product spaces, Atti Sem. Mat. Fis. Univ. Modena XXXVIII, 1990, 11-18
[6] G.Marino-P.Pietramala, Boundary value problems with nonlinear boundary conditions in Banach spaces, Comm. Math. Univ. Carolin. 31, 1990, 711-721
[7] G.Marino-P.Pietramala-G.Trombetta, Convergence of approximating fixed point sets, Ann. Univ. Ferrara, Sez. 7 Sci. Mat. XXXVI, 1990, 195-206
[8] G.Marino-P.Pietramala-D.C.Struppa, Factorization of solutions of convolution equations II, Illinois J. Math. 35, 1991, 419-433
[9] A.Canetti-P.Pietramala-G.Marino, Fixed point theorems for multivalued mappings in Banach spaces, Nonlinear Anal. TMA 17, 1991, 11-20
[10] A.Canetti-P.Pietramala-G.Marino, Fan's best approximation and fixed point theorems for multivalued nonexpansive mappings in Hilbert spaces, Indian J. Math. 33, 1991, 203-220
[11] G.Marino-P.Pietramala, A nonlinear symmetric eigenvalue problem, Jnanabha 21, 1991, 1-8
[12] G.Marino-P.Pietramala Common fixed points of multivalued functions satisfying a Boyd-Wong condition, Atti Accad. Sci. Torino Cl.Sci.Fis.Mat. 125, 1991, 93-105
[13] G.Marino-P.Pietramala, Convergence of sets and proximity map, Ist. Lombardo Rend. Sci. Mat. Appl. A 125, 1991, 181-190
[14] P.Pietramala, Convergence of approximating fixed points sets for multivalued nonexpansive mappings, Comment. Math. Univ. Carolin. 32, 697-701
[15] G.Marino-P.Pietramala, Fixed points and almost fixed points for mappings defined on unbounded sets in Banach spaces, Atti Sem. Mat. Fis. Modena XL, 1992, 1-9
[16] G.Marino-P.Pietramala, An unconventional orthonormal basis provides an unexpected counterexample, Math. Mag., 66, 1993, 309-311
[17] E.De Pascale-G.Marino-P.Pietramala, The use of the E-metric spaces in the search for fixed points, Matematiche, XLVIII, 1993, 367-376
[18] G.Marino-P.Pietramala-S.P.Singh, Convergence of approximating fixed point sets for multivalued mappings, J. Math. Sciences 28, 1994, 117-130
[19] G.Marino-P.Pietramala, How to wedge very big balls in very small balls, Austr. Math. Soc. Gaz., 24, 1997, 59-65
[20] G.Marino-P.Pietramala, Nonlinear multivalued problems on noncompact intervals, Atti Sem. Mat. Fis. Univ. Modena Suppl. Vol. XLVI, 1998, 863-874
[21] G.Lewicki-G.Marino-P.Pietramala, Finite chainability, locally lipschitzian and uniformly continuous functions, Z. Anal. Anwendungen, 17, 1998, 795-803
[22] G.Lewicki-G.Marino-P.Pietramala, Fourier type minimal extensions in real L(1)-spaces, Rocky Mountain J. Math., 30, 3, 2000, 1025-1037
[23] G.Marino-P.Pietramala, Extension of operators between Lebesgue spaces, Ricerche Mat., XLIX, 2, 2000, 183-192
[24] G.Marino-P.Pietramala-H.K.Xu, On property (M) and its generalizations, J. Math. Anal. Appl. 261, 2001, 271-281
[25] G.Marino-P.Pietramala-H.K.Xu, Geometrical conditions in product spaces, Nonlinear Anal. TMA, 46(10), 2001, 1063-1071
[26] G.Marino-P.Pietramala-L.Muglia, Impulsive neutral integrodifferential equations on unbounded intervals, Mediterr. J. Math., 1, 2004, 93-108
[27] G.Marino-P.Pietramala-L.Muglia, Impulsive neutral semilinear equations on unbounded intervals, Nonlinear Funct. Anal. Appl., 9,4, 2004, 527-543
[28] G.Marino-P.Pietramala-H.K.Xu, Nonlinear neutral integrodifferential equations on unbounded intervals, Int. Math. Forum, Vol.1, n°19, 2006, 933-946
[29] P.Pietramala-K.Russo, Dalla geometria di Euclide all'algebra astratta: perché i problemi dell'antichità possono insegnarci ancora molto, Progetto Alice, Vol VII, n°19, 2006, 125-149
[30] G.Paletta-P.Pietramala, A new approximation algorithm for the non-preemptive scheduling of independent jobs on identical parallel processors, SIAM J. Discrete Math. (SIDMA), 21, 2007, 313-328
[31] M.Gualtieri-G.Paletta-P.Pietramala, A new n log n algorithm for the identical parallel machine scheduling problem, Int. J. Contemp. Mat. Sci., Vol. 3, n°1, 2008, 25-36
[32] G. Infante- P.Pietramala, Eigenvalues and non-negative solutions of a system with nonlocal BCS, Nonlinear Stud., Vol. 16, n°2, 2009, 23-32
[33] G. Infante- P.Pietramala, Non-negative solutions of systems of perturbed Hammerstein integral, equations, Nonlinear Anal. TMA, 71, 2009, 1301-1310
[34] M.Gualtieri- - P.Pietramala- F. Rossi, Heuristic algorithms for scheduling jobs on identical parallel machines via measures of spread, IAENG Int. J. Appl. Math., 39, 2, 2009, 100-107
[35] P.K. Palamides- G. Infante- P.Pietramala, Nontrivial solutions of a nonlinear heat flow problem via Sperner lemma, Appl. Math. Lett., 22, 2009, 1444-1450
[36] G.Infante- P.Pietramala, A cantilever equation with nonlinear boundary conditions, Electron. J. Qual. Theory Differ. Equ. 2009, Special Edition I, No. 29, 14 pp.
[37] G. Infante- P.Pietramala " Professor Espedito De Pascale ". Commun. Appl. Anal., vol. 13, 5, 2009, 457-460
[38] G.Infante- P.Pietramala, Perturbed Hammerstein integral inclusions with solutions that charge sign, Comment. Math. Univ. Carolin. vol. 50, 4, 2009, 591-605
[39] G.Chiaselotti-M.Gualtieri- P.Pietramala, Minimizing the makespan in nonpreemptive parallel machine scheduling problem, J. Math. Model. Algorithms, 9,1, 2010, 39-51
[40] G.Infante- P.Pietramala, A third order BVP subject to nonlinear boundary conditions, Math. Bohem., 135,2, 2010, 113-121
[41] G.Infante- P.Pietramala- M.Zima, Positive solutions for a class of nonlocal impulsive BVPs via fixed point index, Topological Methods in Nonlinear Analysis, 36, (2010), 263-284.
[42] P.Pietramala, A note on a beam equation with nonlinear boundary condition, Bound. Value Probl., Vol. 2011, Art. ID 376782, 14 pp, 2011
[43] G.Infante- F.Minhos-P.Pietramala, Non-negative solutions of systems of ODEs with coupled boundary conditions, Communications in Nonlinear Sciences and Numerical Simulation, Vol. 17 ( 12), 2012, 4952-4960.
[44] L.Muglia- P.Pietramala, Second order impulsive differential equations with functional initial conditions on unbounded intervals, Journal of Function Spaces and Applications, Vol. 2013 (2013), pages 9 .
[45] O.Bolojan-Nica-G.Infante-P.Pietramala, Existence results for impulsive systems with initial nonlocal conditions, Mathematical Modelling and Analysis, 18, (2013), 599-611
[46] G.Infante- P.Pietramala, The displacement of a sliding bar subject to nonlinear controllers, Differential & Difference Equations and Applications., Springer Proceedings in Mathematics & Statistics, 47, 2013, pp 429-437
[47] G.Infante- P.Pietramala- M. Tenuta, Existence and localization of positive solutions for a nonlocal BVP arising in chemical reactor theory, Commun. Nonlinear Sci. Numer. Simulat., 19 (2014), no. 7, 2245-2251.
[48] G.Infante- P.Pietramala, Multiple positive solutions of systems with coupled nonlinear BCs Mathematical Methods in the Applied Science, 37, (2014), 2080-2090
[49] G.Infante- P.Pietramala, Nonnegative solutions for a system of impulsive BVPs with nonlinear nonlocal BCs, Nonlinear Analysis: Modelling and Control, 19, (2014), 413-431
[50] G. Infante- P. Pietramala, Nonzero radial solutions for a class of elliptic systems with nonlocal BCs on annular domains, Nodea Nonlinear Differential Equations Appl., 22, 4 (2015), 979-1003
[51] F. Cianciaruso - P. Pietramala, Multiple positive solutions of a $(p_1,p_2)$-Laplacian system with nonlinear BCs, Boundary Value Problems. 2015, 2015:163, 18 pp
[52] G. Infante, P. Pietramala and F. A. F. Tojo, Nontrivial solutions of local and nonlocal Neumann boundary value problems, to appear in Proceedings of the Royal Society of Edinburgh A
[53] F. Cianciaruso, G. Infante and P. Pietramala, Solutions of perturbed Hammerstein integral equations with applications, preprint

Papers in conference proceedings:
[1] G.Marino-P.Pietramala, Proximity maps: some continuity results, Proc. NATO ASI Approximation Theory, Wavelets and Applications, Kluwer Acad. Publ., 1995, 415-421
[2] G. Infante- P.Pietramala, Nonlocal impulsive boundary value problems with solutions that change sign, Mathematical Models in Engineering, Biology, and Medicine, Proceedings of the International Conference on BVP 2008, edited by A. Cabada, E. Liz, and J. J. Nieto, 205-213, 2009, CP1124, AIP.

Chapters in books:
[1] P.Pietramala-K.Russo, La musica dei numeri primi: una proposta didattica fra matematica e storia, Didattica e Didattiche Disciplinari, Quaderni per la nuova secondaria, Vol.2, 2005, 141-163, L. Pellegrini Editore
[2] M.Gualtieri- P.Pietramala- K. Russo, Matematica, che problema!, Didattica e Didattiche Disciplinari, Quaderni per la nuova secondaria, Vol. 5, 2007, 205-218, L. Pellegrini Editore

Preprints:
[1] G.Infante- P.Pietramala, Positive solutions of some nonlocal impulsive boundary value problem, Glasgow Mathematics Department Preprint Series, (2008).

Editorial Activity:

[1] Guest Editor, with G. Infante, Proceedings of the Conference Functional Analysis: Methods and Applications (FAMA'08), Communications in Applied Analysis, Vol. 13, Atlanta: Dynamic Publishers, 2009.

Member of the Organizing Committee:

1994, Maratea (Italy), "Recent developments in Approximation Theory, Wavelets and Applications."
1995, Camigliatello Silano (Italy), "Functional Analysis: Methods and Applications (FAMA'95)"
2008, Amantea (Italy), "Functional Analysis: Methods and Applications (FAMA'08) "

Learned Societies:

Member of the Unione Matematica Italiana (UMI) and of the Gruppo Nazionale di Analisi Matematica, Probabilità ed Applicazioni (GNAMPA)

Updated February 2016