English Version

Nume: Petre-Valentin GHISOIU

Data nasterii: 26 iunie 1977

Adresa: Facultatea de Matematica si Informatica, Str.Academiei nr.14, C.P. 010014, Bucuresti, Romania

E-mail: ghisoiu fmi.unibuc.ro



Studii:
Licenta: Facultatea de Matematica, Universitatea Bucuresti, 1999;
Teza: Subvarietati minimale.
Master: Facultatea de Matematica si Informatica, Universitatea Bucuresti, 2002;
Teza: Inegalitati geometrice pentru subvarietati lagrangeene.
Doctorand in Matematica din octombrie 2004 cu teza: "Inegalitati geometrice in teoria subvarietatilor", conducator Prof.Dr. Ion MIHAI la Universitatea Bucuresti.

Pozitia academica: Preparator Drd., Catedra de Geometrie, Facultatea de Matematica si Informatica, Universitatea Bucuresti (din februarie 2002).

Domenii de interes stiintific:
- Geometria diferentiala a varietatilor pseudo-riemanniene inzestrate cu G-structuri si a subvarietatilor acestora;
- Teoria invariantilor Chen si aplicatii;
- Geometria subvarietatilor in varietati complexe.

Burse de cercetare:
1. Grant CNCSIS 2005: "Materiale Magnetice Nano- si Mono-dimensionale" (membru al echipei de cercetare).
2. Grant CEEX-ET 2005 (cod 41): Cercetare de excelenta pentru tinerii cercetatori "Proiecte recente din teoria subvarietatilor" (membru al echipei de cercetare).

Conferinte:
1. Universitatea din Bucuresti, Seminarul de teoria subvarietatilor (2003-2005).
2. Universitatea din Bucuresti, Seminarul stiintific "Gheorghe VRANCEANU".

Articole stiintifice:
1. Minimality of certain contact slant submanifolds in Sasakian space forms, by Ion MIHAI and Valentin GHISOIU, Int. J. Pure Appl.Math.Sci., vol.1 (2004), pg.95-99;
2. On Riemannian Manifold Endowed with a Locally Conformal Cosymplectic Structure, by Ion MIHAI, Radu ROSCA and Valentin GHISOIU, accepting for publication in the International Journal of Mathematics and Mathematical Sciences.


Ultima actualizare: 12 decembrie 2005


Lect.dr. Bulacu Daniel

  


Data si locul nasterii: 3 ianuarie 1973, Valenii de Munte, judetul Prahova.

Educatia: A absolvit Facultatea de Matematica, sectia matematica-cercetare a Universitatii Bucuresti in 1996.
Teza de doctorat: A sustinut doctoratul cu teza: "Noi rezultate in teoria inelelor graduate si a algebrelor Hopf" in anul 2000 la Universitatea din Bucuresti.
Pozitii academice: A fost preparator in perioada 1998-2000, asistent 2000-2002, iar din 2002 in prezent este Lector la Catedra de Algebra.
Domenii de interes stiintific: Teoria grupurilor, Inele si module graduate, Algebre Hopf, Teoria categoriilor, Algebre Lie, Grupuri cuantice.

Articole stiintifice

  1. Modules Graded by G-Sets. Duality and Finiteness Conditions, J. Algebra 195(1997), nr.2, 624-633 (cu S.Dascalescu si L.Grünenfelder).
  2. A Generalization of the Quasi-Hopf Algebra Dω(G), Comm. Algebra, 26(1998), nr.12, 4125-4141 (cu F.Panaite).
  3. Injective Modules Graded by G-Sets, Comm. Algebra, 27(1999), nr.7, 3537-3543.
  4. On the antipode of semi-Hopf algebras and braided semi-Hopf algebras, Rev. Roumaine Math. Pures Appl, 44(1999), nr.3, 329-340.
  5. Quantum traces and quantum dimension for quasi-Hopf algebras, Comm. Algebra, 27(1999), nr.12, 6103-6122 (cu F.Panaite si F.V.Oystaeyen).
  6. Quasi-Hopf algebra actions and smash product, Comm. Algebra, 28(2000), nr.2, 631-651 (cu F.Panaite si F.V.Oystaeyen).
  7. Relative Hopf modules for (dual) quasi-Hopf algebras, J. Algebra, 229(2000), nr.2, 632-659 (cu E.Nauwelaerts).
  8. Radford's biproduct for quasi-Hopf algebras and bosonization, J.Pure Appl. Algebra, 174(2002), nr.1, 1-42 (cu E.Nauwelaerts).
  9. Dual Drinfel'd double by diagonal crossed coproduct, Rev. Roum. Math. Pures Appl., 47(2002), nr.3, 271-294 (cu B.Chirita).
  10. Dual quasi-Hopf algebra coactions, smash coproducts and relative Hopf modules, Rev. Roum. Math. Pures Appl., 47(2002), nr.4, 415-443 (cu E.Nauwelaerts).
  11. Quasitriangular and ribbon quasi-Hopf algebras, Comm.Algebra, 31(2003), nr.2, 657-672.(cu E.Nauwelaerts)
  12. The quantum double for quasitriangular quasi-Hopf algebras, Comm.Algebra, 31(2003), nr.3, 1403-1425 (cu S.Caenepeel)
  13. Integrals for (dual) quasi-Hopf algebras. Applications, J.Algebra, 266(2003), nr.2, 552-583 (cu S.Caenepeel)
  14. Two-sided two-cosided Hopf modules and Doi-Hopf modules for quasi-Hopf algebras, J.Algebra, 270(2003), nr.1, 55-95 (cu S.Caenepeel)
  15. Factorizable quasi-Hopf algebras, applications, J.Pure Appl. Algebra, 194(2004), nr.1-2, 39-84 (cu B.Torrecillas)
  16. More properties of Yetter-Drinfeld modules over quasi-Hopf algebras. Hopf algebras in noncommutative geometry and physics, 89-112, Lecture Notes in Pure and Appl. Math., 239, Dekker, New York, 2005 (cu S.Caenepeel, Fl.Panaite)
  17. Yetter-Drinfeld categories for quasi-Hopf algebras, Comm. Algebra, 34(2006), nr.1, 1-35 (cu S.Caenepeel, Fl.Panaite)
  18. Generalized diagonal crossed products and smash products for quasi-Hopf algebras. Applications. Comm.Math.Phys., 266(2006), nr.2, 355-399 (cu Fl.Panaite, F.Van Oystaeyen)
  19. Doi-Hopf modules and Yetter-Drinfeld modules for quasi-Hopf algebras, Comm.Algebra, 34(2006), nr.9, 3413-3449 (cu S.Caenepeel, B.Torrecillas)
  20. Two-sided two-cosided Hopf modules and Yetter-Drinfeld modules for quasi-Hopf algebras, Appl.Categ.Structures, 14(2006), nr.5-6, 503-530 (cu B.Torrecillas)
  21. Radford's S4 formula for co-Frobenius Hopf algebras, J.Algebra, 307(2007), nr.1, 330-342 (cu M.Beattie, B.Torrecillas)



Actualizat: 12 noiembrie 2007



2002 - 2015 -- Facultatea de Matematica si Informatica, Universitatea din Bucuresti
Str. Academiei nr. 14, sector 1, C.P. 010014, Bucuresti, Romania
Tel: (4-021) 314 2863, Fax: (4-021) 315 6990, secretariat fmi.unibuc.ro