Geometrie diferentiala

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Transformari care invariaza o elice circulara

Last post by Abel Cavasi « Sat May 08, 2010 8:09 am
Replies: 1
by Abel Cavasi » Mon May 18, 2009 11:28 am

1 Replies

504 Views

Last post by Abel Cavasi
Sat May 08, 2010 8:09 am
Câte feluri de elice sunt?

Last post by Abel Cavasi « Sat Feb 06, 2010 6:32 pm

by Abel Cavasi » Sat Feb 06, 2010 6:32 pm

0 Replies

276 Views

Last post by Abel Cavasi
Sat Feb 06, 2010 6:32 pm
Spivak vol 1, prb. 5, cap 3, Fibrati slab echivalenti

Last post by Alin Galatan « Sun Aug 30, 2009 1:28 pm
Replies: 2
by Alin Galatan » Thu Aug 27, 2009 4:19 pm

2 Replies

531 Views

Last post by Alin Galatan
Sun Aug 30, 2009 1:28 pm
Interpretarea geometrica a crosetului Lie

Last post by Cristi « Sat Jun 13, 2009 11:23 am
Replies: 1
by Cristi » Fri Jun 05, 2009 3:57 pm

1 Replies

443 Views

Last post by Cristi
Sat Jun 13, 2009 11:23 am
Suprafata compacta, conexa si regulata

Last post by Cezar Lupu « Sat Jun 06, 2009 3:00 pm

by Cezar Lupu » Sat Jun 06, 2009 3:00 pm

0 Replies

374 Views

Last post by Cezar Lupu
Sat Jun 06, 2009 3:00 pm
Suprafata neorientabila daca contine banda Mobius

Last post by Cezar Lupu « Fri May 01, 2009 3:45 am

by Cezar Lupu » Fri May 01, 2009 3:45 am

0 Replies

379 Views

Last post by Cezar Lupu
Fri May 01, 2009 3:45 am
O curba pe sfera

Last post by Liviu Ornea « Thu Jan 29, 2009 1:04 am
Replies: 1
by Dragos Fratila » Wed Jan 28, 2009 10:42 pm

1 Replies

523 Views

Last post by Liviu Ornea
Thu Jan 29, 2009 1:04 am
Dimensiunea catului unei varietati

Last post by ovidius « Wed Nov 12, 2008 12:51 am
Replies: 2
by ovidius » Tue Nov 11, 2008 8:47 pm

2 Replies

808 Views

Last post by ovidius
Wed Nov 12, 2008 12:51 am
SO(3) difeomorf cu RP^3

Last post by Mihai Berbec « Mon Nov 10, 2008 7:28 pm

by Mihai Berbec » Mon Nov 10, 2008 7:28 pm

0 Replies

549 Views

Last post by Mihai Berbec
Mon Nov 10, 2008 7:28 pm
Inegalitatea izoperimetrica

Last post by Beniamin Bogosel « Mon Nov 03, 2008 9:22 pm

by Beniamin Bogosel » Mon Nov 03, 2008 9:22 pm

0 Replies

425 Views

Last post by Beniamin Bogosel
Mon Nov 03, 2008 9:22 pm
Normale la o curba

Last post by Beniamin Bogosel « Mon Nov 03, 2008 9:17 pm

by Beniamin Bogosel » Mon Nov 03, 2008 9:17 pm

0 Replies

417 Views

Last post by Beniamin Bogosel
Mon Nov 03, 2008 9:17 pm
Criteriu pentru difeomorfism (R. Palais)

Last post by Liviu Ornea « Sun Jun 22, 2008 8:45 am
Replies: 4
by Liviu Ornea » Fri Jun 13, 2008 11:45 am

4 Replies

1487 Views

Last post by Liviu Ornea
Sun Jun 22, 2008 8:45 am
Camp de vectori complet pe R

Last post by Sergiu Moroianu « Fri Jun 20, 2008 5:54 pm
Replies: 3
by Dragos Fratila » Mon Dec 10, 2007 12:33 pm

3 Replies

1211 Views

Last post by Sergiu Moroianu
Fri Jun 20, 2008 5:54 pm
Suprafata difeomorfa cu torul

Last post by Sergiu Moroianu « Fri Jun 20, 2008 3:53 pm
Replies: 1
by Diana Putan » Wed Mar 12, 2008 8:59 pm

1 Replies

1080 Views

Last post by Sergiu Moroianu
Fri Jun 20, 2008 3:53 pm
spatii tangente paralele

Last post by Dragos Fratila « Thu Apr 17, 2008 9:42 am
Replies: 1
by Diana Putan » Sun Dec 09, 2007 2:22 pm

1 Replies

1034 Views

Last post by Dragos Fratila
Thu Apr 17, 2008 9:42 am
Grupuri Lie compacte 1

Last post by Mihai Fulger « Sat Mar 29, 2008 7:59 am

by Mihai Fulger » Sat Mar 29, 2008 7:59 am

0 Replies

751 Views

Last post by Mihai Fulger
Sat Mar 29, 2008 7:59 am
Grupuri Lie nilpotente

Last post by Mihai Fulger « Wed Mar 12, 2008 12:22 pm

by Mihai Fulger » Wed Mar 12, 2008 12:22 pm

0 Replies

674 Views

Last post by Mihai Fulger
Wed Mar 12, 2008 12:22 pm
Grupurile Lie reale nu au subgrupuri mici

Last post by Alexandru Chirvasitu « Sun Feb 10, 2008 10:13 pm
Replies: 1
by Mihai Fulger » Sun Feb 10, 2008 7:08 pm

1 Replies

806 Views

Last post by Alexandru Chirvasitu
Sun Feb 10, 2008 10:13 pm
Demonstratie interesanta pt. Teorema Fundamentala a Algebrei

Last post by Mihai Fulger « Sun Feb 10, 2008 7:02 pm

by Mihai Fulger » Sun Feb 10, 2008 7:02 pm

0 Replies

879 Views

Last post by Mihai Fulger
Sun Feb 10, 2008 7:02 pm
Curbe, suprafete regulate. Nu reduc generalitatea?

Last post by Alin Galatan « Wed Jan 16, 2008 8:15 pm
Replies: 2
by Alin Galatan » Thu Jan 10, 2008 5:13 pm

2 Replies

1454 Views

Last post by Alin Galatan
Wed Jan 16, 2008 8:15 pm
Tot despre cimpuri complete

Last post by Dragos Fratila « Thu Jan 10, 2008 3:31 pm
Replies: 1
by Liviu Ornea » Fri Dec 14, 2007 7:31 pm

1 Replies

861 Views

Last post by Dragos Fratila
Thu Jan 10, 2008 3:31 pm
Curburile principale ale Pseudosferei

Last post by Alin Galatan « Wed Jan 09, 2008 8:49 pm
Replies: 1
by dede » Wed Jan 09, 2008 8:14 pm

1 Replies

766 Views

Last post by Alin Galatan
Wed Jan 09, 2008 8:49 pm
Cerc

Last post by Iulian Cimpean « Wed Dec 19, 2007 7:16 pm
Replies: 1
by dede » Sun Oct 21, 2007 5:55 pm

1 Replies

972 Views

Last post by Iulian Cimpean
Wed Dec 19, 2007 7:16 pm
numarul de varfuri ale unei curbe ovale este cel putin 4

Last post by Iulian Cimpean « Wed Dec 19, 2007 7:07 pm
Replies: 2
by Cezar Lupu » Sun Nov 04, 2007 11:30 pm

2 Replies

1004 Views

Last post by Iulian Cimpean
Wed Dec 19, 2007 7:07 pm
Geodezica

Last post by dede « Tue Dec 18, 2007 8:02 pm

by dede » Tue Dec 18, 2007 8:02 pm

0 Replies

657 Views

Last post by dede
Tue Dec 18, 2007 8:02 pm
inegalitatea izoperimetrica, Blaschke, 1916

Last post by Iulian Cimpean « Mon Dec 17, 2007 9:02 pm
Replies: 4
by Cezar Lupu » Mon Oct 01, 2007 10:05 pm

4 Replies

1328 Views

Last post by Iulian Cimpean
Mon Dec 17, 2007 9:02 pm
varietatile compacte din R^n au dim strict mai mica decat n

Last post by Dragos Fratila « Mon Dec 10, 2007 12:36 pm

by Dragos Fratila » Mon Dec 10, 2007 12:36 pm

0 Replies

538 Views

Last post by Dragos Fratila
Mon Dec 10, 2007 12:36 pm
varietatea paralelizabila

Last post by Liviu Ornea « Sat Nov 10, 2007 4:49 pm
Replies: 2
by Cezar Lupu » Tue Nov 06, 2007 11:17 pm

2 Replies

1147 Views

Last post by Liviu Ornea
Sat Nov 10, 2007 4:49 pm
geodezice (mai intuitiv)

Last post by Teodor Cioaca « Wed Nov 07, 2007 9:26 am

by Teodor Cioaca » Wed Nov 07, 2007 9:26 am

0 Replies

726 Views

Last post by Teodor Cioaca
Wed Nov 07, 2007 9:26 am
teorema Whitney "forma usoara"

Last post by Cezar Lupu « Tue Nov 06, 2007 11:23 pm

by Cezar Lupu » Tue Nov 06, 2007 11:23 pm

0 Replies

641 Views

Last post by Cezar Lupu
Tue Nov 06, 2007 11:23 pm
difeomorfism al dreptei proiective

Last post by Cezar Lupu « Thu Oct 18, 2007 10:50 am

by Cezar Lupu » Thu Oct 18, 2007 10:50 am

0 Replies

724 Views

Last post by Cezar Lupu
Thu Oct 18, 2007 10:50 am
curba rectificabila cu orice indice

Last post by Dragos Fratila « Thu Oct 04, 2007 11:32 pm

by Dragos Fratila » Thu Oct 04, 2007 11:32 pm

0 Replies

542 Views

Last post by Dragos Fratila
Thu Oct 04, 2007 11:32 pm
problema lui Cezar cu matricele de cub nul

Last post by Cezar Lupu « Thu Nov 01, 2007 2:35 pm
Replies: 2
by Liviu Ornea » Thu Nov 01, 2007 11:02 am

2 Replies

1617 Views

Last post by Cezar Lupu
Thu Nov 01, 2007 2:35 pm

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