Analiza functionala si teorie spectrala

Moderator: Liviu Paunescu

New Topic

42 topics • Page 1 of 1

Announcements

Replies

Views

Last post

Probleme propuse si probleme nerezolvate

Last post by Dragos Fratila « Sat Feb 02, 2008 1:01 pm
Replies: 2
by Liviu Paunescu » Wed Jan 16, 2008 7:07 pm

2 Replies

1163 Views

Last post by Dragos Fratila
Sat Feb 02, 2008 1:01 pm

Topics

Replies

Views

Last post

Intrebare

Last post by Dragos Fratila « Wed Jun 09, 2010 8:08 pm
Replies: 1
by Beniamin Bogosel » Tue Jun 08, 2010 8:17 pm

1 Replies

546 Views

Last post by Dragos Fratila
Wed Jun 09, 2010 8:08 pm
Predualul unui spatiu Banach

Last post by Cristi « Thu Apr 22, 2010 9:21 pm
Replies: 1
by Liviu Paunescu » Wed Nov 21, 2007 10:52 pm

1 Replies

870 Views

Last post by Cristi
Thu Apr 22, 2010 9:21 pm
Convergenta punctuala

Last post by Liviu Paunescu « Mon Oct 27, 2008 10:30 pm
Replies: 1
by dede » Mon Oct 27, 2008 7:39 pm

1 Replies

1208 Views

Last post by Liviu Paunescu
Mon Oct 27, 2008 10:30 pm
IMC 2008 ziua 2 problema 6

Last post by Beniamin Bogosel « Wed Jul 30, 2008 2:03 pm

by Beniamin Bogosel » Wed Jul 30, 2008 2:03 pm

0 Replies

724 Views

Last post by Beniamin Bogosel
Wed Jul 30, 2008 2:03 pm
factori neizomorfi

Last post by Dragos Fratila « Tue Jul 29, 2008 10:45 pm

by Dragos Fratila » Tue Jul 29, 2008 10:45 pm

0 Replies

564 Views

Last post by Dragos Fratila
Tue Jul 29, 2008 10:45 pm
Vector ciclic si vector separator implica vector biciclic

Last post by Dragos Fratila « Fri Jul 18, 2008 8:14 am

by Dragos Fratila » Fri Jul 18, 2008 8:14 am

0 Replies

646 Views

Last post by Dragos Fratila
Fri Jul 18, 2008 8:14 am
Curba intr-un spatiu Hilbert nicaieri "derivabila"

Last post by aleph « Sat Apr 26, 2008 1:14 am
Replies: 5
by Dragos Fratila » Thu Apr 17, 2008 11:14 am

5 Replies

2070 Views

Last post by aleph
Sat Apr 26, 2008 1:14 am
Izomorfism de spatii?

Last post by Alexandru Chirvasitu « Wed Apr 23, 2008 7:28 pm
Replies: 1
by Theliro » Wed Apr 23, 2008 1:35 pm

1 Replies

974 Views

Last post by Alexandru Chirvasitu
Wed Apr 23, 2008 7:28 pm
Un fel de Th Nielsen-Schreier pt algebre grupale von Neumann

Last post by Dragos Fratila « Wed Apr 23, 2008 10:44 am

by Dragos Fratila » Wed Apr 23, 2008 10:44 am

0 Replies

789 Views

Last post by Dragos Fratila
Wed Apr 23, 2008 10:44 am
descompunere polara "libera"

Last post by Dragos Fratila « Tue Apr 22, 2008 8:57 pm

by Dragos Fratila » Tue Apr 22, 2008 8:57 pm

0 Replies

644 Views

Last post by Dragos Fratila
Tue Apr 22, 2008 8:57 pm
rafinare a inegalitatii lui Wirtinger intr-un spatiu Hilbert

Last post by Cezar Lupu « Fri Apr 11, 2008 2:32 am

by Cezar Lupu » Fri Apr 11, 2008 2:32 am

0 Replies

786 Views

Last post by Cezar Lupu
Fri Apr 11, 2008 2:32 am
C*-algebre comutative

Last post by Liviu Paunescu « Tue Mar 04, 2008 11:05 pm
Replies: 3
by Liviu Paunescu » Sun Feb 17, 2008 9:45 pm

3 Replies

1358 Views

Last post by Liviu Paunescu
Tue Mar 04, 2008 11:05 pm
In legatura cu "proiectii"

Last post by Consonant « Thu Feb 07, 2008 9:07 pm

by Consonant » Thu Feb 07, 2008 9:07 pm

0 Replies

810 Views

Last post by Consonant
Thu Feb 07, 2008 9:07 pm
Proiectii

Last post by Consonant « Sun Feb 03, 2008 11:34 am
Replies: 9
by Liviu Paunescu » Wed Dec 05, 2007 11:09 pm

9 Replies

2466 Views

Last post by Consonant
Sun Feb 03, 2008 11:34 am
Suma de subspatii inchise = dens, dar nu inchis

Last post by aleph « Sat Feb 02, 2008 10:26 pm
Replies: 1
by Dragos Fratila » Thu Jan 31, 2008 10:25 am

1 Replies

839 Views

Last post by aleph
Sat Feb 02, 2008 10:26 pm
Proiectii si strict convexitate

Last post by Theliro « Thu Jan 31, 2008 9:56 pm
Replies: 2
by Theliro » Tue Jan 29, 2008 12:12 pm

2 Replies

1042 Views

Last post by Theliro
Thu Jan 31, 2008 9:56 pm
Algebra von Neumann comutativa pe un spatiu Hilbert

Last post by Cezar Lupu « Wed Jan 30, 2008 3:26 am

by Cezar Lupu » Wed Jan 30, 2008 3:26 am

0 Replies

961 Views

Last post by Cezar Lupu
Wed Jan 30, 2008 3:26 am
Functii operatorial monotone

Last post by Dragos Fratila « Sat Jan 26, 2008 9:53 pm
Replies: 5
by Dragos Fratila » Sat Jan 12, 2008 3:15 pm

5 Replies

1635 Views

Last post by Dragos Fratila
Sat Jan 26, 2008 9:53 pm
Aplicatii liniare din L^p cu p<1

Last post by Alexandru Chirvasitu « Sat Jan 26, 2008 6:33 pm
Replies: 1
by Dragos Fratila » Sat Jan 26, 2008 5:31 pm

1 Replies

954 Views

Last post by Alexandru Chirvasitu
Sat Jan 26, 2008 6:33 pm
Calcul functional borelian - norma

Last post by Liviu Paunescu « Sun Jan 20, 2008 9:02 pm
Replies: 1
by Liviu Paunescu » Sat Jan 12, 2008 4:05 pm

1 Replies

1055 Views

Last post by Liviu Paunescu
Sun Jan 20, 2008 9:02 pm
Dilatarea unei contractii la un unitar

Last post by Alexandru Chirvasitu « Wed Jan 16, 2008 7:53 pm
Replies: 4
by Liviu Paunescu » Sat Jan 12, 2008 3:05 pm

4 Replies

1299 Views

Last post by Alexandru Chirvasitu
Wed Jan 16, 2008 7:53 pm
Vector ciclic in l_1

Last post by Consonant « Mon Jan 14, 2008 11:01 am
Replies: 2
by Consonant » Sun Jan 13, 2008 7:05 pm

2 Replies

985 Views

Last post by Consonant
Mon Jan 14, 2008 11:01 am
Orice spatiu prehilbertian are o baza ortonormala

Last post by Consonant « Sun Jan 13, 2008 12:20 am
Replies: 8
by Cezar Lupu » Mon Dec 10, 2007 5:35 am

8 Replies

2312 Views

Last post by Consonant
Sun Jan 13, 2008 12:20 am
Pentru orice operator din B(H) avem Ker(x*)=Ran(x)^{_|_}

Last post by Dragos Fratila « Sat Jan 12, 2008 7:48 pm
Replies: 1
by Cezar Lupu » Thu Nov 08, 2007 1:28 am

1 Replies

1119 Views

Last post by Dragos Fratila
Sat Jan 12, 2008 7:48 pm
Spatiu normat Baire

Last post by Alexandru Chirvasitu « Sat Jan 12, 2008 6:13 pm
Replies: 1
by aleph » Sat Jan 12, 2008 10:06 am

1 Replies

922 Views

Last post by Alexandru Chirvasitu
Sat Jan 12, 2008 6:13 pm
Teorema Fuglede-Putnam-Rosenbaum

Last post by Consonant « Sat Jan 12, 2008 5:24 am
Replies: 1
by Cezar Lupu » Mon Oct 15, 2007 9:56 pm

1 Replies

1322 Views

Last post by Consonant
Sat Jan 12, 2008 5:24 am
Operator compact inversabil

Last post by aleph « Fri Jan 11, 2008 9:00 pm
Replies: 1
by Gelfand Valentin » Thu Sep 27, 2007 7:33 pm

1 Replies

1108 Views

Last post by aleph
Fri Jan 11, 2008 9:00 pm
Convergenta slaba

Last post by Consonant « Fri Jan 11, 2008 5:22 pm
Replies: 2
by Consonant » Thu Jan 10, 2008 5:32 pm

2 Replies

1448 Views

Last post by Consonant
Fri Jan 11, 2008 5:22 pm
Radical din operatori pozitivi

Last post by Consonant « Fri Jan 11, 2008 4:51 pm
Replies: 6
by Liviu Paunescu » Wed Sep 26, 2007 11:00 pm

6 Replies

2240 Views

Last post by Consonant
Fri Jan 11, 2008 4:51 pm
l_1 e spatiu Banach

Last post by Liviu Paunescu « Fri Jan 11, 2008 2:58 pm
Replies: 4
by Dragos Fratila » Thu Oct 04, 2007 11:18 pm

4 Replies

1637 Views

Last post by Liviu Paunescu
Fri Jan 11, 2008 2:58 pm
Operatie pe multimea operat. liniari, marginiti si pozitivi

Last post by Consonant « Sun Jan 06, 2008 8:36 pm
Replies: 3
by Dragos Fratila » Thu Oct 25, 2007 11:14 am

3 Replies

1237 Views

Last post by Consonant
Sun Jan 06, 2008 8:36 pm
Operatorul "urma" pe B(H)

Last post by Consonant « Sun Dec 30, 2007 10:57 am
Replies: 1
by Cezar Lupu » Mon Dec 10, 2007 4:25 am

1 Replies

877 Views

Last post by Consonant
Sun Dec 30, 2007 10:57 am
Matrice si convergenta slaba

Last post by Alexandru Chirvasitu « Mon Dec 10, 2007 10:51 pm
Replies: 2
by Iulian » Mon Dec 10, 2007 6:30 pm

2 Replies

1010 Views

Last post by Alexandru Chirvasitu
Mon Dec 10, 2007 10:51 pm
Factori liberi

Last post by Iulian « Mon Dec 10, 2007 6:23 pm

by Iulian » Mon Dec 10, 2007 6:23 pm

0 Replies

664 Views

Last post by Iulian
Mon Dec 10, 2007 6:23 pm
Grupoizi si algebre

Last post by Iulian « Mon Dec 10, 2007 6:17 pm

by Iulian » Mon Dec 10, 2007 6:17 pm

0 Replies

661 Views

Last post by Iulian
Mon Dec 10, 2007 6:17 pm
Norma operatorilor normali :)

Last post by Cezar Lupu « Thu Nov 08, 2007 1:23 am
Replies: 5
by Liviu Paunescu » Thu Sep 27, 2007 8:02 pm

5 Replies

1606 Views

Last post by Cezar Lupu
Thu Nov 08, 2007 1:23 am
Spatiu prehilbertian real si module egale

Last post by Cezar Lupu « Sun Nov 04, 2007 8:17 pm

by Cezar Lupu » Sun Nov 04, 2007 8:17 pm

0 Replies

814 Views

Last post by Cezar Lupu
Sun Nov 04, 2007 8:17 pm
Teorema Kaplansky de caracterizare a C*-algebrelor necomut.

Last post by Cezar Lupu « Tue Oct 23, 2007 12:49 am

by Cezar Lupu » Tue Oct 23, 2007 12:49 am

0 Replies

879 Views

Last post by Cezar Lupu
Tue Oct 23, 2007 12:49 am
C*-algebra si zz*<=0, atunci z=0

Last post by Cezar Lupu « Mon Oct 15, 2007 9:38 pm

by Cezar Lupu » Mon Oct 15, 2007 9:38 pm

0 Replies

1359 Views

Last post by Cezar Lupu
Mon Oct 15, 2007 9:38 pm
O problema de tip Hahn-Banach 2

Last post by Dragos Fratila « Thu Oct 04, 2007 11:15 pm
Replies: 1
by Cezar Lupu » Wed Oct 03, 2007 11:56 pm

1 Replies

910 Views

Last post by Dragos Fratila
Thu Oct 04, 2007 11:15 pm
O problema de tip Hahn-Banach 1

Last post by Cezar Lupu « Wed Oct 03, 2007 11:49 pm

by Cezar Lupu » Wed Oct 03, 2007 11:49 pm

0 Replies

910 Views

Last post by Cezar Lupu
Wed Oct 03, 2007 11:49 pm
Hahn-Banach

Last post by Alin Galatan « Tue Oct 02, 2007 1:14 am
Replies: 1
by Cezar Lupu » Sun Sep 30, 2007 7:22 pm

1 Replies

1039 Views

Last post by Alin Galatan
Tue Oct 02, 2007 1:14 am

New Topic

42 topics • Page 1 of 1

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum