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Prof.dr. Chitescu Ion

 


Data si locul nasterii: Nascut in Bucuresti la 19 iulie 1947.

Educatia: A absolvit Facultatea de Matematica din Bucuresti in anul 1970.
Teza de doctorat: A sustinut doctoratul in 1975 cu teza ''Contributii la teoria spatiilor de functii'' sub conducerea prof. Nicolae Dinculeanu.
Pozitii academice: A fost preparator in perioada 1970-1973, asistent in perioada 1973-1980, lector in perioada 1980-1991, conferentiar in perioada 1991-2000. Din anul 2000 este profesor.
Domenii de interes stiintific: Teoria masurii si a integralei, spatii de functii, siruri aleatoare, probabilitati si statistica, optimizare.

Premiul Academiei "Simion Stoilow" in 1985 pentru cartea "Spatii de functii".

A participat la urmatoarele congresele internationale: 1) Berlin - 18th Meeting of European Statisticians, 1988; 2) Uppsala - 2nd Bernoulli World Congress, 1990; 3) Capri - Quarto Convegno di Annalisi Reale e Teoria della Misura, 1990; 4) Paris - Conference on Applied Probability in Engineering, Computer and Communication Sciences INRIA/ORSA/TIMS/SMAI, 1993; 5) Salonic - Third Balkan Conference on Operational Research, 1995.

A tinut conferinte si cursuri la: Florida State University, Gainesville, 1992; la Universidad de Almeria (Spania), 1996 si 1998, la Universidad de Granada (Spania), 1997 si la Universitatea "La Sapienza" Roma, 1999.

Este recenzent la "Mathematical Reviews". Este membru al Societatii Romane de Stiinte Matematice si al American Mathematical Society. Membru in colectivul de redactie al revistei "Mathematical Reports". Membru in colectivul de redactie al revistei "Gazeta Matematica". Membru in multi ani in juriile etapelor finale ale olimpiadelor nationale de matematica. Numeroase articole publicate in "Gazeta Matematica" precum si probleme propuse.

Carti si manuale

  1. Spatii de functii - Editura Stiintifica si Enciclopedica, Bucuresti, 1983, 424 pag.
  2. Dictionar de analiza matematica (cu R.Cristescu, Gh.Grigore, G.Gussi, A.Halanay, M.Jurchescu, S.Marcus) - Editura Stiintifica si Enciclopedica, Bucuresti, 1989, 469 pag.
  3. Matematica pentru studentii straini I - Editura Didactica si pedagogica, 1983, 248 pag. (cu E.Asadurian, C.Craciun, D.Duca, L.Lupsa, E.Popa).
  4. Analiza matematica. Materiale pentru perfectionarea profesorilor de liceu, vol.I - Tipografia Universitatii Bucuresti, 1983, 370 pag., (cu E.Campu, C.Craciun, Gh.Grigore, Gh.Marinescu, Gh.Mocanu, Gh.Siretchi, M.Sabac).
  5. Analiza matematica. Materiale pentru perfectionarea profesorilor de liceu, vol.II - Tipografia Universitatii Bucuresti, 1986, 477 pag., (cu E.Campu, C.Craciun, S.Marcus, Gh.Marinescu, Gh.Mocanu, I.Rizzoli, Gh.Siretchi).
  6. Analiza matematica. Materiale pentru perfectionarea profesorilor de liceu, vol.III - Tipografia Universitatii Bucuresti, 1989, 319 pag., (cu E.Campu, C.Craciun, S.Gaina, Gh.Grigore, S.Marcus, I.Rizzoli, Gh.Siretchi, M.Sabac).
  7. Analiza matematica, cls. XII, 4 editii (1996-1999, ultima 272 pag.) (cu P.Alexandrescu, M.Radulescu, S.Radulescu) - Editura Paralela 45.
  8. Analiza matematica, cls. XI, Ed. III 1998 (cu P.Alexandrescu, M.Radulescu, S.Radulescu) - Editura Paralela 45, 1999, 335 pag.
  9. Geometria patrulaterului (cu M.Chirita si D.Mihalca) - Editura Theora, Bucuresti, 1998, 269 pag.
  10. Elemente de teoria masurii (cu N.Secelean) - Editura Fundatiei "Romania de Maine", Bucuresti, 1999, 262 pag.

Articole stiintifice

  1. Un criteriu de convergenta pentru serii cu termeni pozitivi. Consecinte - Analele Universitatii Bucuresti, ser. St. Naturii Mat.-Mec., anul XVII, nr.2,1968, pag.131-139.
  2. Masuri vectoriale si non-atomicitate - Studii si Cercetari Matematice, tom 23, nr.5, 1971, pag.683-692.
  3. Measure - Valued Measures and the Radon-Nikodym Theorem - Bull. math. Soc. Sci. Math. R.S.R., tom 16(64), nr.4 (1974), pag.389-402 .
  4. Finitely Purely Atomic Measures and Lp-Spaces - Analele Universitatii Bucuresti, ser. St. Naturii, anul XXIV, 1975, pag.23-29.
  5. Köthe Spaces that are Hilbert Spaces - Bull. Math. Soc. Sci. Math. R.S.R., tom 18(66), nr.1-2 (1974), (SSM 1975), pag.25-29.
  6. Köthe Spaces that are Banach Algebras with Unit - Bull. math. Soc. Sci. Math. R.S.R., tom 18(66), nr.3-4(1974), (SSM 1975), pag.269-271.
  7. The Conjugate Space of the Space of Measures - Rev. Roum. Math Pures et Appl., tom XXI, nr.10, 1976, pag.1313-1316.
  8. Random Strings According to A. N. Kolmogorov and P. Martin-Löf. Classical Approach - Foundations of Control Engineering, vol.7, nr.2, 1982, pag.73-85 (cu C.Calude).
  9. Strong Noncomputability of Random Strings - Internat. Journal of Computer Mathematics, vol.11, 1982, pag.43-45 (cu C.Calude).
  10. On Per-Martin-Löf Random Sequences - Bull. Math. Soc. Sci. Math. R.S.R., tom 26 (74), nr.3 (1982), pag.217-221 (cu C.Calude).
  11. Farmacologia varstelor (in lucrarea colectiva "Practica farmaceutica") - Bucuresti, 1983, pag.21-30 (cu G.Acalugaritei, C.Popescu).
  12. On Representability of P. Martin-Löf Tests - Kybernetika , vol.19, nr.1, 1983, pag.42-47, (cu C.Calude).
  13. On the Pathology of a (too) General Theory of Random Sequences - M.C.Demetrescu, M.Iosifescu (eds.), Studies in Probability and Related Topics, Papers in Honour of Octav Onicescu on His 90th Birthday. Nagard Publisher, Roma, 1983, pag.65-69, (cu C.Calude).
  14. Representability of Recursive P. Martin-Löf Tests - Kybernetika, vol.19, nr.6, 1983, pag.526-536, (cu C.Calude).
  15. A Class of Universal P. Martin-Löf Tests - Bull. of the European Association of Computer Mathematics, nr.23, 1984, pag.15-22 (cu C.Calude).
  16. A Combinatorial Characterization of Sequential P. Martin-Löf Tests - Internat. Journal of Computer Mathematics, vol.17, nr.1, 1985, pag.53-64 (cu C.Calude).
  17. P.Martin-Löf Tests: Representability and Embeddability - Rev. Roum. Math Pures et Appl., tom XXX, nr.9, 1985, pag.719-732 (cu C.Calude, L.Staiger).
  18. On Populations with Constant Volume - Bull. Math. Soc. Sci. Math. R.S.R., tom 30 (78), nr.1 (1986), pag.3-13 (cu F.C.Gheorghe si G.Obreja).
  19. Random Sequences According to P. Martin-Löf - Foundations of Control Engineering, vol.12, nr.2, 1987, pag.75-84 (in colaborare cu C.Calude).
  20. Random Sequences: Some Toplogical and Measure-Theoretical Properties - Analele Universitatii Bucuresti, ser. Matematica-Informatica, anul XXXVII, nr.2, 1988, pag.27-32 (cu C.Calude).
  21. Upper Limitation of Kolmogorov Complexity and Universal P. Martin-Löf Tests - Journal of Computational Mathematics, vol.7, nr.1, 1989, pag.61-70 (cu C.Calude).
  22. Qualitative Properties of P. Martin-Löf Random Sequences – Bolletino della Unione Mathematica Italiana. vol.7, nr.3-B, 1989, pag.229-240 (cu C.Calude).
  23. Complexitatea sursa de aleatorism (in volumul colectiv ''Probleme actuale ale cercetarii matematice'', vol.1) – Tipografia Univ. Bucuresti, 1990, pag.165-202 (cu C.Calude).
  24. A Linear Stochastic Model for the Dynamics of Two Populations - Rev. Roum. Math Pures et Appl., tom XXXV, nr.7, 1990, pag.605-615 (F.C.Gheorghe si G.Obreja).
  25. A Parametrical Example of Dunford, Pettis and Bochner Integration - Studii si Cercetari Matematice, tom 42, nr.5-6, 1990, pag.405-418.
  26. Inner Product Spaces and Stewart's Relation – Gazeta Matematica (Perfectionare Metodica si Metodologica), vol.XII, nr.2, 1991, pag.76-78.
  27. On the Distribution of the Decissive Sample Number of the Invariant c 2-Test (lb. rusa) - Teor. veroyat. y prim., vol.37, nr.3, 1992, pag.355-357, (F.C.Gheorghe si G.Obreja).
  28. Complexitatea - sursa de aleatorism (in volumul colectiv "Stapanirea complexitatii") - Ed. Acad. Rom., 1993, pag.34-57 (cu C.Calude).
  29. The Indefinite Integral as an Integral - Atti Sem. Mat. Fis. Univ. Modena, vol.XLI, 1993, pag.349-366.
  30. On a Sequential Probability Ratio Test which is Invariant for the Correlation Coefficient (cu F.C.Gheorghe si G.Obreja) - Proceedings of the 3rd Balkan Conference on Operational Research, 16-19, October 1995, Thessaloniki, Greece, vol.II, pag.1028-1034.
  31. Keyfitz-Type Models of Reproductive Evolution (cu F.C.Gheorghe si G.Obreja) - Proceedings of the 3rd Balkan Conference on Operational Research, 16-19, October 1995, Thessaloniki, Greece, vol.II, pag.1075-1083.
  32. Computation of Particular Solutions for Nonhomogeneous Difference Equations and Applications - Analele Universitatii Bucuresti, an.XLVII, nr.2, 1998, pag.135-144.
  33. An Approximate Functional Radon-Nikodym Theorem (cu E. de Amo si M.Diaz Carrillo) - Rendiconti del Circolo Matematico di Palermo, serie II, tomo XLVIII, 1999, pag.443-450.
  34. On Constraint Qualifications in Multiobjective Optimizations Problems: Semidifferentiable Case (cu V.Preda)- Journal of Optimization Theory and Applications, vol.100, no.2, 1999, pag.417-433.
  35. Approximate Radon-Nikodym Derivatives in a General Functional Framework - Analele Universitatii Bucuresti, Mat.-Inf., Vol.XLVIII, 1999, pag.95-98.
  36. Finitely Purely Atomic Measures: Coincidence and Rigidity Properties - apare in Rendiconti del Circolo Matematico di Palermo, vol.50, 2001.




2002 - 2015 -- Facultatea de Matematica si Informatica, Universitatea din Bucuresti
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