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Books (Manuals):
- Economical Mathematics (vols 1-2) [Romanian], Venus Editorial House, Iasi, 1999.
- Linear Programming and Game Theory [Romanian], Pim Publisher, Iasi, 2002.
(Selective) List of papers
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A fixed point theorem on metric spaces,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 20, 101-105, (1974).
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Fixed points of implicit contraction mappings
,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 22, 177-180, (1976).
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Nonlinear contractions and applications to Volterra functional equations,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 23, 43-50, (1977).
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Maximal elements in partially ordered topological spaces and applications,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 24, 259-264, (1978).
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Sequentially iterative processes and applications to Volterra functional equations
,
Ann. Univ. Mariae Curie-Sklodowska Lublin (Sectio A), 32, 127-134, (1978).
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An asymptotic dosing problem for a system of ordinary differential equations,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 25, 43-47, (1979).
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Maximal elements in ordered topological spaces,
Bull. Greek Math. Soc., 20, 141-148, (1979).
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Abstract monotone mappings and applications to functional differential equations,
Rend. Accad. Naz. Lincei (Serie VIII), 66, 189-193, (1979).
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Noncompactness measures from an axiomatic point of view,
Math. Seminar Notes Kobe Univ., 8, 73-81, (1980).
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Fixed points of implicit contractions via Cantor's existence theorem
,
Bul. Inst. Polit. Iasi (S I-a: Mat., Mec. Teor., Fiz.), 26(30), 65-68, (1980).
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Mapping theorems via variable drops in Banach spaces,
Rend. Ist. Lombardo (Serie A), 114, 164-168, (1980).
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Maximal elements in a class of order complete metric spaces
,
Math. Japonica, 25, 511-517, (1980).
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Multivalued contractions and applications to functional differential equations,
Acta Math. Acad. Sci. Hungaricae, 37, 147-151, (1981).
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Order noncompactness measures on abstract metric spaces,
Math. Seminar Notes Kobe Univ., 9, 219-230, (1981).
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Local and global lipschitzian mappings on ordered metric spaces,
Math. Nachrichten, 101, 101-106, (1981).
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Maximality principles and mean value theorems
,
An. Acad. Brasil. Cienc., 53, 653-655, (1981).
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Stability criteria for contractive semigroups via maximality procedures,
Bull. Austral. Math. Soc., 24, 453-469, (1981).
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Drop theorems and lipschitzianness tests via maximality procedures,
Acta Math. Acad. Sci. Hungaricae, 39, 17-25, (1982).
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Mean value theorems via maximal element techniques,
J. Math. Analysis Appl., 88, 48-60, (1982).
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A generalization of Brezis-Browder's ordering principle
,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 28, 11-16, (1982).
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Mapping theorems via contractor directions in metrizable locally convex spaces
,
Bull. Acad. Pol. Sci. (Math.), 30, 161-166, (1982).
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A time-dependent version of a Brezis-Browder's result,
Rend. Ist. Lombardo (Serie A), 116, 73-79, (1982).
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A class of operator inequalities on ordered linear spaces,
Demonstratio Math., 15, 145-153, (1982).
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Differential inequalities on abstract metric spaces,
Funkc. Ekv., 25, 227-242, (1982).
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Function-differential inequalities via maximality procedures,
Nonlinear Analysis, 6, 1369-1384, (1982).
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A maximality principle on ordered metric spaces,
Rev. Colombiana Mat., 16, 115-124, (1982).
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Semigroup stability criteria with countable exceptional sets,
Anais Acad. Brasileira Cienc., 55, 1-7, (1983).
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A generalization of Altman's ordering principle,
Proc. Amer. Math. Soc., 90, 128-132, (1984).
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Mean value theorems on abstract metric spaces,
Math. Nachrichten, 115, 21-31, (1984).
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A maximality principle on ordered metrizable uniform spaces
,
An. Univ. Bucuresti (Mat), 33, 93-96, (1984).
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Volterra functional equations via projective techniques,
J. Math. Analysis Appl., 103, 211-229, (1984).
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Metric segments and mean value theorems,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 30, 7-13, (1984).
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Time dependent relative attractors for semigroup evolution processes,
Glasnik Mat., 19(39), 309-321, (1984).
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Abstract Gronwall-Bellman inequalities on ordered metrizable uniform spaces,
J. Integral Eqs., 6, 105-117, (1984).
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Time-dependent Lipschitz attractors for non-semigroup evolution processes,
J. Austral. Math. Soc., (Series A), 38, 103-117, (1985).
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A fixed point result of Sehgal-Smithson type,
Comment. Math. Univ. Carolinae, 26, 221-232, (1985).
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Abstract comparison principles and multivariable Gronwall-Bellman inequalities,
J. Math. Analysis Appl., 117, 100-127, (1986).
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Support results via exceptional sets in Banach spaces,
Comment. Math. Univ. Carolinae, 27, 293-299, (1986).
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Fixed points for monotone iteratively local contractions
,
Demonstratio Math., 19, 171-180, (1986).
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Pseudometric extensions of the Brezis-Browder ordering principle,
Math. Nachrichten, 130, 91-103, (1987).
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Iterative processes of maximal type in metric and Banach spaces
,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 33, 9-28, (1987).
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Solvability results via maximal elements in Banach spaces,
Math. Chronicle, 16, 89-94, (1987).
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Limit properties of distance functions via semigroup techniques,
Optimization, 20, 639-650, (1989).
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Metric variants of the Brezis-Browder ordering principle,
Demonstratio Math., 22, 213-228, (1989).
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Solvability results for (strongly) self-accretive maps
,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 35, 117-129, (1989).
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An exceptional set extension of a mean value McLeod's result,
Rev. Roumaine Math. Pures Appl., 35, 173-180, (1990).
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Mapping theorems and general Newton-Kantorovich processes,
Ann. Sci. Math. Quebec, 14, 85-95, (1990).
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Finite dimensional vector contractions and their fixed points,
Studia Univ. Babes-Bolyai (Math), 35, 30-42, (1990).
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A monotone version of the variational Ekeland's principle,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 36, 329-352, (1990).
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Solvable sets in ordered normed spaces,
Studii Cerc. Mat., 43, 221-239, (1991).
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Cone maximal points in linear topological products,
J. Math. Istanbul Univ., 51, 47-67, (1992).
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Nonsmooth implicit functions and constrained almost minimum points,
Rev. Roumaine Math. Pures Appl., 38, 67-94, (1993).
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Metric solvability results for multivalued maps,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 39, 129-150, (1993).
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A localized fixed point principle,
Rend. Ist. Lombardo (Serie A), 127, 161-167, (1993).
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The monotone principle of fixed points: a correction,
Proc. Amer. Math. Soc., 122, 643-645, (1994).
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Fixed point results on abstract ordered sets,
Le Matematiche, 49, 25-34, (1994).
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Vector extensions of the variational Ekeland's result
,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 40, 225-266, (1994).
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Some metric properties of dissipative maps,
Rev. Roumaine Math. Pures Appl., 40, 391-400, (1995).
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Approximate subgradients of convex functions,
Rivista Mat. Pura Appl., 16, 55-69, (1995).
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Differential mean value properties for half-continuous functions,
Libertas Math., 17, 61-76, (1997).
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Set constrained almost extremality via nonsmooth implicit functions,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 44, 279-307, (1998).
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Differential equations on closed sets under generalized dissipativity conditions
,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 44, 611-637, (1998).
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Some global solvability results,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 45, 379-404, (1999).
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Remarks about some Caristi-Kirk fixed point theorems,
An. St. Univ. "Ovidius" Constanta (Mat), 7, 81-92, (1999).
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Variational principles on semi-metric structures
,
Libertas Math., 20, 161-171, (2000).
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Nondiscrete Induction Principle and Moser-Altman existence results
,
Libertas Math., 21, 107-125, (2001).
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Nondiscrete Induction Principle and open mapping theorems,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 47, 57-72, (2001).
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Minimal point statements in product structures,
Libertas Math., 22, 105-119, (2002).
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Generic mean value properties for half-continuous functions,
An. St. Univ. "A. I. Cuza" Iasi (S I-a: Mat), 48, 27-40, (2002).
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Maximality principles in topological ordered structures,
Libertas Math., 23, 19-34, (2003).
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Nondiscrete Induction Principle and substraction theorems,
Italian J. Pure Appl. Math., 14, 113-127, (2003).
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Remarks about the drop principle,
Libertas Math., 24, 151-164, (2004).
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Pseudometric versions of the Caristi-Kirk fixed point theorem,
Fixed Point Theory (Cluj-Napoca), 5, 147-161, (2004).
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Function variational principles and coercivity,
J. Math. Analysis Appl., 304, 236-248, (2005).
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Strong variational principles and generic well-posedness
,
Demonstr. Math., 38, 935-941, (2005).
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Brezis-Browder principles in separable ordered sets,
Libertas Math., 26, 15-30, (2006).
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Pseudometric extensions of the Wu equivalence result,
Ital. J. Pure Appl. Math., 20. 159-168, (2006).
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Remarks about some Weierstrass type results,
Turk. J. Math., 30, 385-401, (2006).
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Extension of the Kirk-Saliga fixed point theorem,
An. St. Univ. "Ovidius" Constanta (Mat), 15, 91-102, (2007).
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Function pseudometric VP and applications,
Bul. Inst. Polit. Iasi (S I-a: Mat., Mec. Teor., Fiz.), 53(57), 393-411, (2007).
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Brezis-Browder principle revisited,
Note Mat., 28, 33-41, (2008).
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Pseudometric Zhong principles and equilibrium points,
An. St. Univ. "A. I. Cuza" Iasi (S.N.) Mat, 54, 233-252, (2008).
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Nonlinear vector maximal principles in product structures,
Libertas Math., 28, 15-24, (2008).
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Projective maximal principles in general vector spaces
,
Libertas Math., 28, 25-36, (2008).
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Variational statements in KST-metric structures,
An. St. Univ. "Ovidius" Constanta (Mat), 17, 231-246, (2009).
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GTZ principles in cone-valued metrics,
Libertas Math., 29, 17-36, (2009).
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Brezis-Browder principles and equilibrium points
,
Libertas Math., 29, 37-46, (2009).
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Functional versions of the Caristi-Kirk theorem,
Rev. Union Mat. Argentina, 50, 87-97, (2009).
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Functional variational principles and coercivity over normed spaces,
Optimization, 59, 199-222, (2010).
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Multivalued variational principles and normed coercivity
,
Libertas Math., 30, 1-18, (2010).
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Altman ordering principles and dependent choices,
Romai J., 6, 237-244, (2010).
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Nonlinear versions of a vector maximal principle,
Nonlinear Analysis, 74, 2388-2391, (2011).
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Coercivity properties for order nonsmooth functionals,
An. St. Univ. "Ovidius" Constanta (Mat), 19, 297-312, (2011).
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Smooth variational principles and diagonal dependent choices,
Bul. Inst. Polit. Iasi (S I-a: Mat., Mec. Teor., Fiz.), 57(61), 269-282, (2011).
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Iterated operator inequalities on ordered linear spaces,
African Diaspora J. Math., 12, 80-88, (2011).
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Brezis-Browder principle and Dependent Choice,
An. St. Univ. "A. I. Cuza" Iasi (S.N.) Mat, 57, 263-277, (2011).
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Vector maximal principles and Dependent Choice,
Libertas Math., 31, 35-48, (2011).
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Ran-Reurings theorems in ordered metric spaces,
J. Indian Math. Soc., 78, 207-214, (2011).
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Normed coercivity for monotone functionals,
Romai J., 7, 169-179, (2011).
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Function contractive maps in partial metric spaces,
Romai J., 8, No. 1, 189-207, (2012).
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Functional contractions in local Branciari metric spaces,
Romai J., 8, No. 2, 189-199, (2012).
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Nieto-Lopez theorems in ordered metric spaces,
Math. Student, 81, 219-229, (2012).
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