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Grupuri, grupuri cuantice, coringuri si teoria reprezentarii
Groups, quantum groups, corings and representation theory
Contract nr. 24/28.09.2007 din cadrul PN-II, programul "Idei"
Articole publicate—Published papers
- B. Ion,
Standard bases for affine parabolic modules and nonsymmetric
Macdonald polynomials, J.
Algebra, 319 (2008), 3480-3517.
- M.C. Iovanov, J. Vercruysse, Cofrobenius corings and adjoint functors, Journal
of Pure and Applied Algebra, Vol. 212 (2008), Issue 9, 2011-2146.
- M.C. Iovanov, Frobenius
Extensions of Corings, Commun. Algebra 36 (2008), no. 3, 869-892.
- M.C. Iovanov, C. Nastasescu, B. Torrecillas-Jover, The Dickson Subcategory Splitting
Conjecture for Pseudocompact Algebras,
J. Algebra 320 (2008), 2144-2155.
- A.L. Agore, G. Militaru, Crossed
Product of groups. Applications. Arabian J. Sci. and Engineering (AJSE), 33 (2008), 1-17
- A. L. Agore, A. Chirvasitu, B.
Ion, G. Militaru: Bicrossed
products for finite groups, Algebras and
Representation Theory, 12(2009), 481-488
- M. Beattie,
M.C. Iovanov, S. Raianu,
The Antipode of a dual quasi-Hopf algebra with
nonzero integrals is bijective, Algebras and
Representation Theory 12 (2009), 251-255.
- M.C. Iovanov, The Generating Condition for Coalgebras, Bulletin
of the London Mathematical Society 41 (2009), no.3, 483-494.
- M.C. Iovanov, When does the Rational Torsion Split off for
Finitely Generated Modules, Algebras and
Representation theory (2009), no. 2-5, 287-309.
- B. Ion,
Generalized exponents of small representations. I, Representation
Theory, 13 (2009) 401-426.
- G. Militaru, Serre Theorem for involutory Hopf algebras, Centr. Eur. J. Math, Vol. 8,
Issue 1 (2010), 15-21.
- A. L. Agore, D. Fratila, Crossed
products of cyclic groups, acceptat pentru publicare in Czechoslovak Mathematical Journal.
- A. L. Agore, Categorical constructions for Hopf algebras, acceptat spre publicare in Commun. Algebra.
- A.L. Agore, Monomorphisms of coalgebras, acceptat spre publicare in Colloq. Math.
- M.C. Iovanov, L. Kadison,
"When is a weak quasi-Hopf algebra Frobenius", acceptat spre publicare in Proc.
AMS.
- A. L. Agore, G. Militaru,
Deformation of a matched pair and Schreirer type
theorems for bicrossed product of groups, trimis spre publicare
- A.L. Agore, Limits of coalgebras,
bialgebras and Hopf
algebras, acceptat spre
publicare in Proc.
Amer. Math Soc.
- B. Ion, A Poincare-Birkhoff-Witt theorem for Hopf
algebras with central coradical, trimis spre publicare
- B. Ion,
Generalized exponents of small representations. II.,
va apre in Representation
Theory.
- M.C. Iovanov, Abstract Integrals in Algebra, trimis spre publicare.
Echipa proiectului—The team of the project:
- Ana Loredana Agore (ana.agore fmi.unibuc.ro)
- Bogdan Ion,
- Dragos Fratila (dragos.fratila fmi.unibuc.ro)
- Gigel Militaru,
- Miodrag Cristian Iovanov (pagina personala)
Rezumatul proiectului—Abstract of the project
Gradul de implicare al tinerilor cercetatori—The young people of the project
Obiectivele programului - Project Objectives
Bugetul
Obiective si activitati si gradul de realizare. Rezultate obtinute—Objectives, Activities. Results
Actiuni desfasurate in cadrul programului
Rapoarte
2007
- Raport de sinteza detaliat
- Raport de autoevaluare
2008
- Raport de sinteza detaliat
- Raport de autoevaluare
2009 etapa intermediara
- Raport de sinteza detaliat
- Deviz post calcul
2009 etapa finala
- Raport de sinteza detaliat
- Raport de autoevaluare
Expunerea la sedinta publica de monitorizare CNCSIS 30.10.09: performanta si cheltuieli din grant
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Tehnici matriceale si operatoriale in analiza functionala
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COD CNCSIS: 1905, contract nr. 538/2009
Descrierea succinta a proiectului de cercetare
Proiectul are doua directii de cercetare. Prima directie de cercetare este dedicata studiului spatiilor Banach de matrici
superior triunghiulare infinite, numite matrici analitice precum si a unor operatori de speciali care actioneaza pe ele,
drept exemple fiind operatorii Hankel si operatorii de multiplicare Schur. Se are in vedere continuarea studiului spatiilor
matriceale analoage spatiilor Bloch si respective Bergman de functii analitice studiu inceput de Nicolae Popa.
In plus un rol important in studiul acestor spatii il vor juca multiplicatorii Schur, obtinandu-se noi rezultate fata de
studiul clasic al multiplicatorilor Fourier. De asemenea vor fi considetrati operatori Hankel matriciali studiati anterior de
V. V Peller si M. Marsalli. Un accent deosebit se va pune pe nuclearitatea acestor operatori si relatia lor
cu spatiile Besov de matrici precum si cu un spatiu considerat de Pelczynski si Sukochev. A doua directie de cercetare consta in
cautarea unor metode de asociere a unor clase de functii scalare si a unor corespondente intre sisteme de operatori pe spatii Banach
astfel incat sa aiba loc o proprietate de transformare a spectrului, analoaga teoremei de transformare a spectrului din cazul
calculului functional. In acest context se are in vedere calculul functional al comutatorului sistemelor de operatori si
studiul unor clase de operatori analoage bicomutantului sistemelor de operatori in spatii Banach.
Director de proiect
Prof. Dr. Sabac Mihai
Membrii
- Cercetator Stiintific gr. I Popa Nicolae
- Doctorand Marcoci Anca-Nicoleta
- Doctorand Marcoci Liviu-Gabriel
Lucrari publicate in cadrul proiectului
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"A new characterization of Bergman-Schatten spaces and a duality result"
avand ca autori pe Liviu Gabriel Marcoci, Lars-Erik Persson, Irina Popa si Nicolae Popa in revista cotata
ISI Journal of Mathematical Analysis and Applications, vol. 360, Iss. 1, 2009.
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"Schur multipliers characterization of a class of infinite matrices", autori Anca Nicoleta Marcoci, Liviu Gabriel Marcoci,
Lars-Erik Persson si Nicolae Popa acceptata pentru publicare in revista cotata ISI Czechoslovak Mathematical Journal.
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"Commuting systems of bounded operators, factorizations and spectral correspondence",
autor Mihai Sabac acceptata in volumul dedicat Conferintei Internationale Operator Theory 22.
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