Algebra

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Matrice de ordin 3 nilpotente si care comuta intre ele

Last post by Cezar Lupu « Thu Nov 01, 2007 3:16 pm
Replies: 1
by Cezar Lupu » Wed Oct 31, 2007 12:43 am

1 Replies

1250 Views

Last post by Cezar Lupu
Thu Nov 01, 2007 3:16 pm
Suma de matrice de rang 1

Last post by Alex Dura « Wed Oct 24, 2007 10:15 pm

by Alex Dura » Wed Oct 24, 2007 10:15 pm

0 Replies

718 Views

Last post by Alex Dura
Wed Oct 24, 2007 10:15 pm
diagonala principala a unei matrice

Last post by Cezar Lupu « Mon Oct 22, 2007 11:48 pm

by Cezar Lupu » Mon Oct 22, 2007 11:48 pm

0 Replies

709 Views

Last post by Cezar Lupu
Mon Oct 22, 2007 11:48 pm
A^k*B = C^k*D implica B = D, daca A, C sunt inversabile

Last post by bae « Thu Oct 18, 2007 2:49 am
Replies: 2
by maky » Wed Oct 10, 2007 5:57 pm

2 Replies

892 Views

Last post by bae
Thu Oct 18, 2007 2:49 am
tr(A) = 0 daca si numai daca A = XY-YX

Last post by bae « Wed Oct 17, 2007 6:53 pm
Replies: 5
by maky » Wed Oct 10, 2007 6:12 pm

5 Replies

1708 Views

Last post by bae
Wed Oct 17, 2007 6:53 pm
Se poate ca (AB-BA)^p=I_n, cu p>n numar prim?

Last post by bae « Sat Oct 13, 2007 8:13 pm
Replies: 6
by maky » Fri Oct 12, 2007 1:40 pm

6 Replies

1626 Views

Last post by bae
Sat Oct 13, 2007 8:13 pm
A^n diferit de I_n pentru tr(A)>2

Last post by Cezar Lupu « Thu Oct 11, 2007 8:17 pm
Replies: 2
by Cezar Lupu » Thu Oct 11, 2007 1:52 am

2 Replies

751 Views

Last post by Cezar Lupu
Thu Oct 11, 2007 8:17 pm
Matrice cu elemente rationale

Last post by Cezar Lupu « Thu Oct 11, 2007 1:36 am
Replies: 3
by Alin Galatan » Wed Sep 26, 2007 4:40 pm

3 Replies

1207 Views

Last post by Cezar Lupu
Thu Oct 11, 2007 1:36 am
Matrice nilpotenta

Last post by maky « Mon Oct 08, 2007 8:30 pm
Replies: 2
by Alex Dura » Wed Sep 26, 2007 5:50 pm

2 Replies

1043 Views

Last post by maky
Mon Oct 08, 2007 8:30 pm
Determinanti pozitivi

Last post by Cezar Lupu « Wed Sep 26, 2007 11:49 pm
Replies: 3
by Cezar Lupu » Wed Sep 26, 2007 7:33 pm

3 Replies

1027 Views

Last post by Cezar Lupu
Wed Sep 26, 2007 11:49 pm

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