English Version


Data si locul nasterii: 27 august 1960, in Costesti, judetul Arges.

Educatia: A absolvit Facultatea de Matematica in 1985.
Teza de doctorat: Doctor in matematica din 1999.
Pozitii academice: Asistent intre 1991 si 2000 la catedra de Algebra, 2000-2008 Lector. In prezent, Conferentiar la Catedra de Geometrie complexa, Topologie si Algebra computationala.
Cursuri predate: A tinut seminarii de Algebra, Geometrie algebrica si curs de Metodica predarii matematice.
Domenii de interes stiintific: Domeniul de cercetare este Geometria algebrica.

Bursier Tempus in 1998, la Universitatea Paris VI. Beneficiar Grant C12-CNFIS la Univ. Paris VI in 2000 (sept-oct).
Participant la urmatoarele scoli: Scoala de Geometrie Algebrica - Trieste, Mai 2000; Scoala de Geometrie - Vector Bundles in Complex Geometry - Bayreuth, 1994; Scoala de Algebra - Constanta, 1996, 1998, 1999; Scoala de Geometrie Algebrica - Pitesti 2000.

Membru al Consiliului National pentru Curriculum scolar (din 1997).
Coautor de manuale de matematica pentru invatamantul gimnazial si liceal. Coautor al unor materiale auxiliare pentru invatamantul gimnazial si liceal.
Membru al comisiei de corectare OIM - Bucuresti, 1999.

Articole publicate

  1. C.Voica, Puncte de acumulare unilaterala (Unilateral accumulation points), Studii si cercetari matematice, 35(1983), no.4, 307-315.
  2. C.Voica, A method to find informations about algebraic sets given by equations, Preprint IMAR 1990.
  3. C.Voica, Some remarks on rational surfaces in P4, Bul.St.-Univ.Pitesti, 5(2000), 1-6.
  4. C.Voica, On a criterion of algebraic contractibility of a surface, Rev.Roum. Math. Pures Appl. 45(2000), 4, 737-747.
  5. C.Voica, Multiplicities and computation in local rings, Ann.Univ. Ovidius Constanta (Seminars), 2001, 73-78.
  6. C.Voica, A method to find informations about algebraic sets given by equations, Memorial issue dedicated to Nicolae Radu, Math.Reports , vol.3(53), 2001, no.2, 195-203.
  7. C.Voica, A bound of the degree of some rational surfaces in P4, To Mirela Stefanescu, at her 60th, Ann.Univ.Constanta, seria Matematica, IX(2001), 1, 125-131.
  8. C.Voica, About the symmetry of conics, Bull. Math. Soc. Sc. Math. Roumanie, Tome 44(92), no.4, 2001, 309-314. MR 2014595(2004h: 51026).
  9. C.Voica, Embeddings in P4 using 2-homogeneous linear systems, Math.Reports, vol.4(54), 2002, 429-432.
  10. C. Voica, Steps in the classification of rational surfaces in P4, Proceedings CAIM 2002, Bull.St.Univ.Pitesti, Seria matematica si informatica, 9(2003), 359- 366.
  11. M.Singer, C.Voica, Matricea de structurare a competentelor, in Lucrarile sectiei a 7-a. Proceedings CAIM 2002, 71-76.
  12. C.Voica, A class of rational surfaces in P4, Math.Scandinavica, 92(2003), no.2, 210-222.
  13. P.Ionescu, C.Voica, Models of rationally connected manifolds, J.of the Math.Soc.of Japan, vol.55, no.1(2003), 143-164.
  14. M.Singer, C.Voica, Perception of infinity: does it really help in problem solving?, in Proceddings of the International Conference "The Decidable and the Undecidable in Mathematical Education", Brno, Czech Republic, September 19-25, 2003, p.252-256.
  15. C.Voica, Toric Varieties II, Ann.Univ.Constanta (Seminar Series in Mathematics: Algebra, Proceedings al Scolii Nationale de Algebra, Editia a XII-a), 2003, 1-16.
  16. M.Singer, C.Voica, On the dimensionality of sets of numbers, Proceedings PME 28, Oslo, Norvegia, 14-18 iulie 2004, 1-396.
  17. M.Singer, C.Voica, Perceptii ale infinitului, Proceedings CAIM 12 (2005), 42-47.
  18. M.Singer, C.Voica, O clasificare cinematica a problemelor de matematica, Romai Educational Journal 1(2006), 56-63.
  19. S.Stupariu, C.Voica, Un studiu privind invatarea spatiilor vectoriale, Romai Educational Journal 1(2006), 64-72.
  20. C.Voica, Utilizarea hartilor conceptuale in predarea algebrei, Romai Educational Journal, 1(2006), 86-92.
  21. C.Voica, On a property of conics, Bull. SSM, special issue professor Ion, tome 49(97), no.1, 2006, 105-110.
  22. S.Stupariu, C.Voica, Reprezentari mentale ale conceptelor de algebra liniara, Bull. SSM, Proceedings al Conferintei SSM mai, 2006.
  23. M.Singer, C.Voica, Dimensiunea de gen in didactica disciplinei matematica, in Dimensiunea de gen in ariile curriculare Matematica si Stiinte ale naturii, Tehnologii. Ghid pentru cadre didactice, ISE/UNICEF, 2006, 5-52.
  24. M.Singer, C.Voica, Learning through projects: a strategy to train future teachers, The 14th Conference on Applied and Industrial Mathematics, Satellite Conference of ICM 2006, Chisinau, 17-19 august 2006, 129-130.
  25. M.Singer, C.Voica, Children's perceptions on infinity: could they be structured? Proceedings CERME 5, Larnaca Cipru, 22-26 februarie 2007.
  26. S.Stupariu, C.Voica, Teaching Linear Algebra to students in Informatics, va apare in Proceedings CAIM 14.

Cursuri publicate

  1. M.Singer, C.Voica, Didactica ariilor curriculare. Matematica si stiinte ale naturii, Tehnologii, Editat de MEC in cadrul Proiectului pentru Invatamantul rural, 2005, 212 pag.
    ISBN 973-0-04086-9
  2. M.Singer, C.Voica, Didactica Algebrei, Editat de MEC in cadrul Proiectului pentru Invatamantul rural, 2005, 168 pag.
    ISBN 973-0-04242-X
  3. M.Singer, C.Voica, Didactica Geometriei, Editat de MEC in cadrul Proiectului pentru Invatamantul rural, 2006, 158 pag.
    ISBN 10 973-0-04580-1; ISBN 13 978-973-0-04588-2
  4. M.Singer, C.Voica, Didactica matematizarii problemelor practice, Editat de MEC in cadrul Proiectului pentru Invatamantul rural, 2005, 104 pag.
    ISBN 978-973-0-04797-4
  5. M.Singer, C.Voica, Tipologia rezolvarii problemelor, Editat de MEC in cadrul Proiectului pentru Invatamantul rural, 2005, 122 pag.
    ISBN 978-973-0-04798-1


Carti publicate

Ghiduri didactice, carti de popularizare

  1. C.Voica (colaborator, 11 autori), Ghid metodologic pentru aplicarea programelor de matematica primar-gimnaziu, Editat de MEC si CNC, 2001, Ed. Aramis Print, 96 pag.
    ISBN: 973-8294-26-6
  2. C.Voica (coordonator, 20 autori), Ghid metodologic pentru aplicarea programelor, aria curriculara Matematica si Stiinte, editat de MEC si CNC, 2001, Ed.Aramis Print, 232 pag.
    ISBN:973-8294-57-6
  3. M.Singer, C.Voica, Invatarea matematicii. Elemente de didactica aplicata. Ghidul profesorului, Ed.Sigma, 2002, 128 pag.
    ISBN: 973-649-056-4
  4. M.Neagu, M.Singer, C.Voica, Statistica si probabilitati. Curs introductiv pentru elevi, studenti si profesori, Ed.Sigma, 2003, 120 pag.
    ISBN: 973-649-070-x
  5. M.Singer, C.Voica, Recuperarea ramanerii in urma la matematica (Invatamant ginmazial). Module pentru dezvoltarea profesionala a personalului didactic. Ed.Educatia 2000+, 2005, 88 pag.
    ISBN: 973-87585-7-2

Manuale scolare

  1. M.Singer, C.L.Voica, C.Voica, Matematica. Manual pentru clasa a VIII-a, Ed.Sigma, 2000, 224 pag. ISBN: 973-8068-03-7. Manualul este tradus in limbile maghiara si germana, ISBN: 973-8068-80-0; 973-8068-99-1.
  2. M.Singer, C.Voica, Matematica. Manual pentru clasa a X-a, M3. Ed. Sigma 2000.
  3. C.Voica (colaborator, 4 autori), Matematica. Manual pentru scoala de arte si meserii, clasa a IX-a,Ed. Sigma, 2004.
  4. M.Singer, C.Voica, Matematica. Manual pentru clasa a X-a, Scoala de arte si meserii, Ed.Sigma, 2005, 96 pag. ISBN: 973-649-173-0
  5. M.Singer, C.Voica, Matematica M5. Manual pentru clasa a XI-a, Ed.Sigma, 2006, 128 pag. ISBN: 978-973-649-261-7
  6. M.Singer, S.M.Stupariu, C.Voica, Matematica M4. Manual pentru clasa a XI-a, Ed.Sigma, 2006, 104 pag. ISBN: 978-973-649-260-0
  7. M.Singer, C.Voica, Matematica. Manual pentru clasa a X-a, Liceu M3 si Scoala de arte si meserii, Ed.Sigma, 2004, 120 pag. ISBN: 973-649-075-0. Manual tradus si in limba maghiara, ISBN: 973-622-169-5.
  8. M.Singer, C.Voica, Matematica. Manual pentru clasa a XII-a, M3, Ed.Sigma, 2004, 96 pag. ISBN: 973-649-090-4.

Culegeri de probleme, carti de lucrari practice

  1. M.Singer, C.Voica, Cum demonstram? De la intuitie la rigoare in matematica, Ed.Sigma, 2005, 2 vol., 24+32 pag. ISBN: 973-649-136-4; 973-649-151-x
  2. M.Singer, C.Voica, Pasi in intelegerea rezolvarii problemelor. Caiet de exersare structurata, Ed. Sigma, 2003, 152 pag. ISBN: 973-658-002-4
  3. M.Singer, C.L.Voica, C.Voica, Decupeaza, construieste si verifica !, Ed.Sigma, 2000, 64 pag. ISBN: 973-8068-53-3. Reeditata in 2006, ISBN: 973-649-318-0
  4. C.Voica (colaborator, 5 autori), Culegere de exercitii si probleme pentru clasa a VIII-a, Ed.Sigma, 2004, 314 pag. ISBN: 973-646-119-6



Actualizat: 31 mai 2007


Prof.dr. Dascalescu Sorin

  


Data si locul nasterii: Nascut la 23 Aprilie 1964 in Ploiesti.

Educatia: A absolvit Facultatea de Matematica, Universitatea Bucuresti in 1988.
Functiile didactice: profesor la Liceul Colorom Codlea intre 1988-1990, asistent intre 1990-1995, lector intre 1995-1999, conferentiar intre 1999-2001 iar din 2001 este Profesor la Facultatea de Matematica si Informatica, Universitatea Bucuresti.
Teza de doctorat: A sustinut doctoratul in 1992 cu teza ''Inele Graduate de Suport Finit''.
Cursuri predate: A tinut cursuri Algebre Hopf, Inele graduate si teorie Clifford, Algebra (I si II), Reprezentari de algebre, Algebre si coalgebre.
Domenii de cercetare: Algebre Hopf, Teoria Inelelor, Grupuri Cuantice.

Este recenzent la Zentralblatt fur Mathematik si Mathematical Reviews.
A obtinut Premiul "Gheorghe Lazar" al Academiei Romane, pentru anul 1996.

Carti si manuale

  1. Hopf algebras: an introduction, Monographs in Pure and Applied Mathematics 235(2000), Marcel Dekker, New York, 401 pag (cu C.Nastasescu si S.Raianu)
  2. Algebre Hopf, Editura Universitatii Bucuresti, 1998, 140 pag. (cu C.Nastasescu si S.Raianu).
  3. Probleme de algebra, Editura Universitatii Bucuresti, 1993, 100 pag., (cu C.Baetica).

Articole stiintifice

  1. Graded T-rings, Comm. Algebra, 17, 1989, p.3033-3042 (cu C.Nastasescu).
  2. The equation xn=a in left cancellative monoids, Rivista di Matematica Pura ed. Appl., Udine, 9, 1991, p.95-115 (cu C.Nastasescu).
  3. Some results on graded rings of finite support, Proc. of the Algebra Conf., Babes-Bolyai University, Faculty of Mathematics and Computer Science Research Seminars no.1, 1992, p.131-136.
  4. A note on groups with the finite embedding property, Proc. of the Int. Conf. on Group Theory, Timisoara, 1992, p.43-45.
  5. Graded semiperfect rings, Bull. de la Soc. Sci. Math. Roumaine, 36, 1992, p.247-255.
  6. Graded T-rings with finite support, Comm. Algebra, 21, 1993, p.3619-3636, (cu A. del Rio).
  7. A Maschke-type theorem for crossed coproducts, Annals of the Ovidius University of Constanta, 2, 1994, p.44-51 (cu S.Caenepeel si S.Raianu).
  8. A note on intermediate normalizing extensions, Bull.of the Austral. Math. Soc., 50, 1994, p.313-316 (cu L. Van Wyk).
  9. A note on graded semilocal rings, Revue Roumaine de Math. Pures et Appl., 40, 1995, p.253-258 (cu M.Beattie si C.Nastasescu).
  10. Graded coalgebras and Morita-Takeuchi contexts, Tsukuba J. Math., 19, 1995, p.395-407 (cu C.Nastasescu, S.Raianu si F. Van Oystaeyen).
  11. Finite Hopf-Galois coextensions, crossed coproducts and duality, J. Algebra 178, 1995, p.400-413 (cu S.Raianu si Y.H. Zhang).
  12. Cosemisimple Hopf algebras coacting on coalgebras, Comm. Algebra, 24, 1996, p.1649-1678 (cu S.Caenepeel si S.Raianu).
  13. Gradings of finite support. Applications to injective objects, J. Pure Appl. Algebra, 107, 1996, p.193-206 (cu C.Nastasescu, A. del Rio si F. Van Oystaeyen).
  14. Categories of modules graded by G-sets. Applications, J. Pure Appl. Algebra 107, 1996, p.129-139 (cu M.Beattie).
  15. Do isomorphic structural matrix rings have isomorphic graphs?, Proc. Amer. Math. Soc., 124, 1996, p.1385-1391 (cu L. Van Wyk).
  16. Crossed coproducts and cleft coextensions, Comm. Algebra 24, 1996, p.1229-1243 (cu G.Militaru si S.Raianu).
  17. Coalgebra deformations of bialgebras by Harrison cocycles, Bull. Belgian Math. Soc. 4(1997), 647-672 (cu S.Caenepeel, G.Militaru si F.Panaite).
  18. Some Remarks on a theorem of H.-J. Schneider, Comm. Algebra 24 (1996), p.4477-4493 (cu S.Raianu si F. Van Oystaeyen).
  19. Comodules graded by G-sets. Applications, Comm. Algebra 25 (1997), p.159-175 (cu C.Nastasescu, B.Torrecillas si F. Van Oystaeyen).
  20. Duality theorems for graded algebras and coalgebras, J. Algebra 192 (1997), p.261-276, (cu C.Nastasescu, B.Torrecillas si F. Van Oystaeyen).
  21. Galois Extensions for Co-Frobenius Hopf Algebras, J. Algebra 198 (1997), p.164-183, (cu M.Beattie si S.Raianu).
  22. Modules Graded By G-Sets. Duality And Finiteness Conditions, J. Algebra 195 (1997), p.624-633, (cu D.Bulacu si L.Grünenfelder).
  23. Comodules graded by G-sets. Applications, Comm. Algebra 25 (1997), p.159-175, (cu C.Nastasescu, B.Torrecillas si F. Van Oystaeyen).
  24. FBN Hopf Module Algebras, Comm. Algebra 25 (1997), p.3521-3529, (cu A.V. Kelarev si B.Torrecillas).
  25. Pointed Hopf algebras of dimension p3, J. Algebra 209 (1998), p.622-634, (cu S.Caenepeel).
  26. Finiteness Conditions, Co-Frobenius Hopf Algebras and Quantum Groups, J. Algebra 200 (1998), p.312-333, (cu M.Beattie, L.Grünenfelder si C.Nastasescu).
  27. On pointed Hopf algebras of dimension 2n, Bull. London Math. Soc. 31 (1999), p.17-24, (cu S.Caenepeel).
  28. On the number of types of finite dimensional Hopf algebras, Inventiones Math. 136 (1999), p.1-7, (cu M.Beattie si L.Grünenfelder).
  29. Classifying pointed Hopf algebras of dimension 16, Comm. Algebra 28 (2000), p.541-568 (cu S.Caenepeel si S.Raianu).
  30. On pointed Hopf algebras of dimension pn, Proc. Amer. Math. Soc. 128 (2000), p.361-367, (cu M.Beattie si L.Grünenfelder).
  31. Yang-Baxter operators arising from (co)algebra structures, Comm. Algebra 27 (1999), p.5833-5845, (cu F.Nichita).
  32. Group gradings on full matrix rings, J. Algebra 220 (1999), p.709-728 (cu B.Ion, C.Nastasescu si J.Rios).
  33. Pointed Hopf algebras with large coradical, Comm. Algebra 27 (1999), p.4821-4826, (cu S.Dascalescu).
  34. Forms of Hopf algebras, Manuscripta Math. 100 (1999), p.35-53, (cu S.Caenepeel si L. Le Bruyn).
  35. A co-Frobenius Hopf algebra with a separable Galois extension is finite, Proc. Amer. Math. Soc. 128(2000), 3201-3203 (cu M.Beattie si S.Raianu).
  36. Constructing pointed Hopf algebras by Ore extensions, J. Algebra 225 (2000), p.743-770, (cu M.Beattie si L.Grünenfelder).
  37. Co-Frobenius Hopf algebras: integrals, Doi-Koppinen modules and injective objects, J. Algebra 220 (1999), p.542-560, (cu C.Nastasescu si B.Torrecillas).
  38. The categories of Yetter-Drinfel'd modules, Doi-Hopf modules and two-sided two-cosided Hopf modules, Applied Categorical Structures 6 (1998), p.223-237, (cu M.Beattie, S.Raianu si F. Van Oystaeyen).
  39. Smash (Co)-products from adjunctions, "Rings, Hopf algebras and Brauer Groups", Marcel Dekker Lecture Notes, 197 (1998), p.103-110, (cu S.Raianu si F. Van Oystaeyen).
  40. Strongly graded coalgebras and graded crossed coproducts, ''Abelian groups, module theory, and topology'', editors D. Dikranjan si L. Salce, Proceedings of the conference in honour of A. Orsatti, Padua, Italy, Marcel Dekker Lecture Notes 201 (1998), p.131-142, (cu C.Nastasescu si S.Raianu).
  41. Finiteness conditions for semigroup graded modules, Rev. Roumaine Math. Pures. Appl 44 (1999), p.37-50 (cu A.V.Kelarev).
  42. On gradings of matrix algebras by cyclic groups, Comm. Algebra 29 (2001), 5013-5021 (cu C.Boboc).
  43. Homological dimension of coalgebras and crossed coproducts, K-Theory 23 (2001), 53-65 (cu C.Nastasescu si B.Torrecillas).
  44. The recovery of the non-diagonal tile in a tiled triangular matrix ring, Indian J. Math. 42 (2000), 167-173 (cu L.Van Wyk).
  45. Semigroup gradings of upper triangular matrix rings, Rev. Roumaine Math. Pures Appl. 46(2001), 611-615 (cu A.Kelarev si C.Nastasescu).
  46. Semigroup gradings of full matrix rings, Comm. Algebra 29 (2001), 5023-5031 (cu A.Kelarev si L.Van Wyk).
  47. Involutory Hopf algebras with non-zero integral, Bull. London Math. Soc. 34 (2002), 33-36 (cu C.Nastasescu si B.Torrecillas).
  48. On gradings of matrix algebras and descent theory, Comm. Algebra 30 (2002), 5901-5920 (cu S.Caenepeel si C.Nastasescu).
  49. Lifting of Nichols algebras of type B2, Israel J. Math. 132 (2002), 1-28 (cu M.Beattie si S.Raianu).
  50. Co-Frobenius Hopf algebras and the coradical filtration, Mathematische Zeitschrift 243 (2003), 145-154 (cu N.Andruskiewitsch).
  51. Group gradings on M2(k), Bull. Australian Math. Soc. 68 (2003), 285-293 (cu R.Khazal si C.Boboc).
  52. Isomorphism of generalized triangular matrix rings and recovery of tiles, International Journal of Mathematics and Math. Sciences 9 (2003), 533-538 (cu R.Khazal si L.Van Wyk).
  53. Hopf algebras of dimension 14, Journal of the London Math. Soc. 69 (2004), 65-78 (cu M.Beattie).
  54. Quantum lines over non-cocommutative Hopf algebras, J. Algebra 273 (2004), 753-779 (cu C.Calinescu, A.Masuoka si C.Menini).
  55. Some examples of integrals for bialgebras, Hopf algebras, 133-141, Lecture Notes in Pure Appl. Math. 237 (2004), Marcel Dekker.
  56. On associative superalgebras of matrices, Rocky Mountain J. Math. 34 (2004), 585-598 (cu P.Jarvis, A.Kelarev si C.Nastasescu).
  57. Symmetric liftings of quantum linear spaces, Mathematica 46 (69) (2004), 141-147.
  58. Periodic rings with finitely generated underlying group, International Journal of Mathematics and Math. Sciences 36 (2004), 1887-1892 (cu R.Khazal).
  59. Symmetric coalgebras, Journal of Algebra 279 (2004), 326-344 (cu F.Castano Iglesias si C.Nastasescu).
  60. Wide Morita contexts, relative injectivity and equivalence results, Journal of Algebra 284 (2005), 705-736 (cu C.Chifan si C.Nastasescu).
  61. On quantum groups at -1, Algebras and Representation Theory 8 (2005), 11-34 (cu N.Andruskiewitsch).
  62. Good gradings on matrix algebras by finite abelian groups of prime index, Bull. Math. Soc. Sc. Math. Roumanie 49 (2006), 5-11 (cu C.Boboc).
  63. Relative regular objects in categories, Applied Categorical Structures 14 (2006), 567-577 (cu C.Nastasescu, A.Tudorache si L.Daus).
  64. On the dimension of the space of integrals for finite dimensional bialgebras, va aparea in Studia Scientiarum Mathematicarum Hungarica.
  65. Group gradings on M3(k), va aparea in Comm. Algebra (cu C.Boboc).



Actualizat: 31 mai 2007



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