Algebra superioara clasica

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module neizomorfe care devin izomorfe in sume directe

Last post by Dragos Fratila « Fri Feb 12, 2010 1:36 am

by Dragos Fratila » Fri Feb 12, 2010 1:36 am

0 Replies

1882 Views

Last post by Dragos Fratila
Fri Feb 12, 2010 1:36 am
Grup finit care nu este simplu

Last post by Beniamin Bogosel « Tue Jan 12, 2010 6:17 pm

by Beniamin Bogosel » Tue Jan 12, 2010 6:17 pm

0 Replies

747 Views

Last post by Beniamin Bogosel
Tue Jan 12, 2010 6:17 pm
Conjugate in grup, atunci conjugate in subgrup

Last post by bae « Sun Jan 10, 2010 10:37 pm
Replies: 1
by spx2 » Sun Jan 10, 2010 4:23 pm

1 Replies

1251 Views

Last post by bae
Sun Jan 10, 2010 10:37 pm
Ordin maxim in S_n

Last post by spx2 « Fri Dec 18, 2009 1:43 pm
Replies: 2
by Alin Galatan » Fri May 16, 2008 5:28 pm

2 Replies

1543 Views

Last post by spx2
Fri Dec 18, 2009 1:43 pm
Echipotenta si grupuri de permutari izomorfe

Last post by Beniamin Bogosel « Fri Nov 13, 2009 12:25 pm
Replies: 2
by Iulian Cimpean » Sat Nov 10, 2007 3:58 pm

2 Replies

1518 Views

Last post by Beniamin Bogosel
Fri Nov 13, 2009 12:25 pm
Restrictie la subgrup injectiva/surjectiva

Last post by Ciprian Oprisa « Wed Sep 23, 2009 8:53 pm

by Ciprian Oprisa » Wed Sep 23, 2009 8:53 pm

0 Replies

951 Views

Last post by Ciprian Oprisa
Wed Sep 23, 2009 8:53 pm
Grupuri normale

Last post by alex_ « Wed May 06, 2009 1:45 am

by alex_ » Wed May 06, 2009 1:45 am

0 Replies

841 Views

Last post by alex_
Wed May 06, 2009 1:45 am
Cross produs si subgrupuri normale

Last post by Gigel Militaru « Mon Apr 06, 2009 11:18 pm
Replies: 3
by Liviu Paunescu » Thu Mar 19, 2009 2:48 pm

3 Replies

1360 Views

Last post by Gigel Militaru
Mon Apr 06, 2009 11:18 pm
Structura lui SL_2(Z)

Last post by Victor Vuletescu « Fri Mar 20, 2009 7:45 am
Replies: 6
by Liviu Paunescu » Wed Mar 04, 2009 5:29 am

6 Replies

2326 Views

Last post by Victor Vuletescu
Fri Mar 20, 2009 7:45 am
Variatiuni la problema 3 SEEMOUS 2009

Last post by Vlad Matei « Thu Mar 19, 2009 3:55 pm
Replies: 16
by Victor Vuletescu » Sat Mar 14, 2009 8:39 pm

16 Replies

4061 Views

Last post by Vlad Matei
Thu Mar 19, 2009 3:55 pm
Inel cu exact 5 elemente inversabile

Last post by Dragos Fratila « Tue Mar 03, 2009 6:28 pm
Replies: 3
by Dragos Fratila » Fri May 02, 2008 11:09 pm

3 Replies

2203 Views

Last post by Dragos Fratila
Tue Mar 03, 2009 6:28 pm
Functie polinomiala de doua variabile

Last post by Beniamin Bogosel « Mon Feb 09, 2009 12:16 pm
Replies: 1
by bae » Wed Feb 04, 2009 9:15 pm

1 Replies

1532 Views

Last post by Beniamin Bogosel
Mon Feb 09, 2009 12:16 pm
Functie (polinomiala ?) de doua variabile peste un corp

Last post by aleph « Wed Feb 04, 2009 9:34 pm
Replies: 2
by bae » Wed Feb 04, 2009 8:16 pm

2 Replies

1546 Views

Last post by aleph
Wed Feb 04, 2009 9:34 pm
Polinoame ireductibile

Last post by Beniamin Bogosel « Fri Nov 28, 2008 10:28 pm
Replies: 2
by Beniamin Bogosel » Fri Oct 31, 2008 9:40 pm

2 Replies

1727 Views

Last post by Beniamin Bogosel
Fri Nov 28, 2008 10:28 pm
Grupuri

Last post by Kakeyaconjecture « Fri Oct 24, 2008 12:49 pm

by Kakeyaconjecture » Fri Oct 24, 2008 12:49 pm

0 Replies

1227 Views

Last post by Kakeyaconjecture
Fri Oct 24, 2008 12:49 pm
IMC 2008 ziua 1 problema 5

Last post by Beniamin Bogosel « Wed Jul 30, 2008 2:26 pm

by Beniamin Bogosel » Wed Jul 30, 2008 2:26 pm

0 Replies

1081 Views

Last post by Beniamin Bogosel
Wed Jul 30, 2008 2:26 pm
Elemente care comuta in orice submult. infinita a unui grup

Last post by Alexandru Chirvasitu « Thu Jul 24, 2008 9:26 pm
Replies: 1
by bae » Fri Feb 08, 2008 3:19 am

1 Replies

1748 Views

Last post by Alexandru Chirvasitu
Thu Jul 24, 2008 9:26 pm
Grup de matrice complexe finit generat

Last post by Dragos Fratila « Thu Jul 24, 2008 8:18 pm
Replies: 1
by bae » Sun Dec 16, 2007 12:26 am

1 Replies

1723 Views

Last post by Dragos Fratila
Thu Jul 24, 2008 8:18 pm
Teorema de comutativitate a lui Jacobson

Last post by Alin Galatan « Tue Jun 03, 2008 11:38 pm
Replies: 2
by Beniamin Bogosel » Tue Jun 03, 2008 3:14 pm

2 Replies

1691 Views

Last post by Alin Galatan
Tue Jun 03, 2008 11:38 pm
Demonstrati ca Z[X] si Q[X] nu sunt izomorfe ca Z-module

Last post by Dragos Fratila « Tue May 20, 2008 1:37 pm
Replies: 1
by azotlichid » Fri May 09, 2008 11:02 am

1 Replies

1375 Views

Last post by Dragos Fratila
Tue May 20, 2008 1:37 pm
Grup liniar finit are centrul ciclic

Last post by Dragos Fratila « Tue May 20, 2008 9:25 am

by Dragos Fratila » Tue May 20, 2008 9:25 am

0 Replies

1121 Views

Last post by Dragos Fratila
Tue May 20, 2008 9:25 am
(Z/7Z)[X] contine un numar infinit de elemente prime

Last post by azotlichid « Fri May 09, 2008 6:14 pm

by azotlichid » Fri May 09, 2008 6:14 pm

0 Replies

1231 Views

Last post by azotlichid
Fri May 09, 2008 6:14 pm
Grup rezolubil cu subgrupurile abeliene finite este finit

Last post by Dragos Fratila « Sun May 04, 2008 12:20 pm
Replies: 2
by bae » Mon Mar 31, 2008 12:11 pm

2 Replies

2308 Views

Last post by Dragos Fratila
Sun May 04, 2008 12:20 pm
Numarul minim de generatori ai grupului altern

Last post by Dragos Fratila « Sun May 04, 2008 9:31 am
Replies: 1
by bae » Sun Apr 27, 2008 12:22 am

1 Replies

1293 Views

Last post by Dragos Fratila
Sun May 04, 2008 9:31 am
Grupuri liniare generale peste Z

Last post by Alexandru Chirvasitu « Sat May 03, 2008 9:40 pm
Replies: 1
by bae » Thu Jan 10, 2008 3:43 am

1 Replies

1319 Views

Last post by Alexandru Chirvasitu
Sat May 03, 2008 9:40 pm
Grup cu toate subgrupurile Sylow ciclice e metabelian

Last post by Dragos Fratila « Sat Mar 22, 2008 1:50 am

by Dragos Fratila » Sat Mar 22, 2008 1:50 am

0 Replies

1069 Views

Last post by Dragos Fratila
Sat Mar 22, 2008 1:50 am
Nr. solutiilor ecuatiei x^k=1 intr-un grup se divide cu k?

Last post by Dragos Fratila « Tue Mar 18, 2008 3:20 am
Replies: 3
by bae » Sun Jan 06, 2008 5:36 am

3 Replies

2114 Views

Last post by Dragos Fratila
Tue Mar 18, 2008 3:20 am
Subgrupuri Sylow in produse directe de grupuri

Last post by Dragos Fratila « Sat Mar 15, 2008 5:26 am
Replies: 1
by bae » Thu Jan 10, 2008 3:54 am

1 Replies

1231 Views

Last post by Dragos Fratila
Sat Mar 15, 2008 5:26 am
Grup abelian finit cu ordinul liber de patrate

Last post by Dragos Fratila « Thu Mar 13, 2008 2:49 am
Replies: 2
by Diana Putan » Wed Mar 12, 2008 10:57 pm

2 Replies

2273 Views

Last post by Dragos Fratila
Thu Mar 13, 2008 2:49 am
Grup de ord liber de patrate si existenta unui Sylow normal

Last post by Dragos Fratila « Wed Mar 12, 2008 10:44 pm
Replies: 1
by bae » Sun Jan 06, 2008 12:57 pm

1 Replies

1653 Views

Last post by Dragos Fratila
Wed Mar 12, 2008 10:44 pm
Subgrup Sylow

Last post by Mihai Fulger « Fri Mar 07, 2008 3:11 pm
Replies: 1
by azotlichid » Tue Mar 04, 2008 4:06 pm

1 Replies

1302 Views

Last post by Mihai Fulger
Fri Mar 07, 2008 3:11 pm
Inelul Z[(1+i\sqrt{19})/2] nu e euclidian, dar e principal

Last post by Cristi Popa « Mon Feb 25, 2008 1:46 am
Replies: 9
by Cezar Lupu » Tue Oct 09, 2007 1:16 am

9 Replies

573817 Views

Last post by Cristi Popa
Mon Feb 25, 2008 1:46 am
Exista o extindere comuna pentru R si Q_p?

Last post by Mihai Fulger « Wed Feb 13, 2008 4:40 am
Replies: 2
by Mihai Fulger » Sun Feb 10, 2008 6:57 pm

2 Replies

1330 Views

Last post by Mihai Fulger
Wed Feb 13, 2008 4:40 am
Grup abelian finit si doua subgrupuri ale sale

Last post by Dragos Fratila « Sun Dec 16, 2007 11:47 pm
Replies: 1
by bae » Sun Dec 16, 2007 11:37 pm

1 Replies

1180 Views

Last post by Dragos Fratila
Sun Dec 16, 2007 11:47 pm
Inelul grupal al unui p-grup finit este local

Last post by Dragos Fratila « Sun Dec 16, 2007 10:21 am
Replies: 1
by bae » Sun Dec 16, 2007 12:56 am

1 Replies

1315 Views

Last post by Dragos Fratila
Sun Dec 16, 2007 10:21 am
Grup cu indicele centrului finit

Last post by Dragos Fratila « Sat Dec 15, 2007 1:27 am
Replies: 1
by bae » Fri Nov 30, 2007 3:27 am

1 Replies

1173 Views

Last post by Dragos Fratila
Sat Dec 15, 2007 1:27 am
Caracterizare pt intregii primi care raman primi si in Z[i]

Last post by Alin Galatan « Thu Dec 06, 2007 8:29 pm
Replies: 1
by Iulian Cimpean » Thu Dec 06, 2007 8:00 pm

1 Replies

1381 Views

Last post by Alin Galatan
Thu Dec 06, 2007 8:29 pm
Z ca R-modul

Last post by Iulian Cimpean « Mon Dec 03, 2007 3:25 pm

by Iulian Cimpean » Mon Dec 03, 2007 3:25 pm

0 Replies

1195 Views

Last post by Iulian Cimpean
Mon Dec 03, 2007 3:25 pm
Categorii

Last post by Flo « Sat Dec 01, 2007 5:56 am

by Flo » Sat Dec 01, 2007 5:56 am

0 Replies

1170 Views

Last post by Flo
Sat Dec 01, 2007 5:56 am
Grup cu 30 de elemente

Last post by Dragos Fratila « Fri Nov 30, 2007 6:40 pm
Replies: 1
by Alin Galatan » Fri Nov 30, 2007 5:38 pm

1 Replies

1154 Views

Last post by Dragos Fratila
Fri Nov 30, 2007 6:40 pm
Inelul Z[i]/(a+bi) are a^2+b^2 elemente

Last post by dede « Thu Nov 29, 2007 2:52 pm
Replies: 1
by bae » Tue Oct 30, 2007 7:34 pm

1 Replies

1599 Views

Last post by dede
Thu Nov 29, 2007 2:52 pm
Inelul Z[(1+\sqrt{69})/2] nu e euclidian cu functia norma

Last post by Cristi Popa « Sun Nov 11, 2007 4:08 pm

by Cristi Popa » Sun Nov 11, 2007 4:08 pm

0 Replies

1281 Views

Last post by Cristi Popa
Sun Nov 11, 2007 4:08 pm
Problema cu serii formale

Last post by Teodor Cioaca « Wed Nov 07, 2007 9:06 am

by Teodor Cioaca » Wed Nov 07, 2007 9:06 am

0 Replies

1283 Views

Last post by Teodor Cioaca
Wed Nov 07, 2007 9:06 am
Operatii distributive

Last post by Alin Galatan « Fri Nov 02, 2007 3:13 am
Replies: 8
by Liviu Ornea » Mon Oct 29, 2007 11:33 am

8 Replies

3511 Views

Last post by Alin Galatan
Fri Nov 02, 2007 3:13 am
2+i\sqrt{3} este element prim in inelul Z[i\sqrt{3}]

Last post by dede « Thu Nov 01, 2007 8:49 pm
Replies: 1
by bae » Tue Oct 30, 2007 7:39 pm

1 Replies

1767 Views

Last post by dede
Thu Nov 01, 2007 8:49 pm
Problema cu matrice de cub nul si care comuta intre ele

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

2982 Views

Last post by Cezar Lupu
Thu Nov 01, 2007 2:35 pm
Morfisme de grup de la (Q,+) la GL(n,Z)

Last post by Alexandru Chirvasitu « Wed Oct 31, 2007 9:38 am
Replies: 1
by bae » Sun Oct 28, 2007 7:15 pm

1 Replies

1920 Views

Last post by Alexandru Chirvasitu
Wed Oct 31, 2007 9:38 am
Inelele factor ale lui Z[i] sunt inele finite

Last post by Alexandru Chirvasitu « Mon Oct 29, 2007 7:45 am
Replies: 2
by bae » Sun Oct 28, 2007 7:09 pm

2 Replies

2220 Views

Last post by Alexandru Chirvasitu
Mon Oct 29, 2007 7:45 am
Grupuri abeliene finite si patrate perfecte

Last post by Dragos Fratila « Sun Oct 28, 2007 8:43 pm
Replies: 1
by bae » Sun Oct 28, 2007 7:42 pm

1 Replies

1543 Views

Last post by Dragos Fratila
Sun Oct 28, 2007 8:43 pm
Inel izomorf cu inelul seriilor formale peste el insusi

Last post by Dragos Fratila « Sun Oct 28, 2007 7:44 pm
Replies: 1
by bae » Sun Oct 28, 2007 7:18 pm

1 Replies

1217 Views

Last post by Dragos Fratila
Sun Oct 28, 2007 7:44 pm

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