Community
Like number theory? Art of Problem Solving's
Intermediate Number Theory Seminar
is starting in March! We'll cover Diophantine equations, the phi function, famous theorems of Euler and Fermat, and more.
Click here to enroll today!
Forum
Math Jams
Schedule
Transcripts
My Classes
Blogs
Login
Register
Memberlist
Search
AoPS Blogs
Contests
Galleries
Forum Index
The time now is Tue Feb 09, 2010 7:45 am
All times are UTC - 8
View posts since last visit
View unanswered posts
Board Announcements
Author
Replies
Views
Last Post
Do not discuss 2010 AMC 10A/12A
Announcement end: Wed Feb 10, 2010 11:59 pm
[
High School Contests & Programs
»
American Mathematics Competitions
]
DPatrick
0
553
Yesterday, at 9:47 am
DPatrick
Home
»
College Playground
»
Superior Algebra - Groups, Fields, Rings, Ideals
Forum
Topics
Posts
Last Post
Unsolved and Proposed Problems
Problems you couldn't solve or problems that you want to share with other people.
Moderators:
College Playground Moderators
Sub-forums:
Open Questions
4226
15884
Elements of Order 2 Al...
Today, at 7:43 am
Incline
Solved Problems
The problems that were discussed and solved in the forums above are moved here.
Moderators:
College Playground Moderators
1097
4482
det(I+AA*)>=0
Fri Jan 01, 2010 3:33 pm
1234567a
Theorems, Formulas and Other Questions
Moderators:
College Playground Moderators
377
1468
Factorization Of Multi...
Yesterday, at 7:29 pm
t0rajir0u
Home
»
College Playground
»
Superior Algebra - Groups, Fields, Rings, Ideals
Jump to:
Select a forum
-------------------
Forum index
|___ Mathematics
| |___ Middle School Classroom Math (Ages 9-13)
| |___ Middle School Contests (MATHCOUNTS, AMC 8, MOEMS, Ages 10-13)
| |___ High School Basics (Ages 12-16)
| |___ High School Intermediate Topics (Ages 13+)
| |___ High School Pre-Olympiad (Ages 14+)
| |___ Calculus Computations and Tutorials
| |___ High School Olympiads
| |___ Collegiate Topics
|
|___ High School Contests & Programs
| |___ American Mathematics Competitions
| |___ USA Mathematical Talent Search
| |___ Other US Contests & Programs
| | |___ Middle School Tournaments
| | |___ ARML
| | |___ AwesomeMath
| | |___ Caltech Harvey Mudd Math Competition
| | |___ HCSSiM
| | |___ HiMCM & MCM
| | |___ HMMT
| | |___ Honors Summer Math Camp
| | |___ Mandelbrot
| | |___ Math Prize for Girls
| | |___ mathleague.org (GPML, etc.)
| | |___ Mathcamp
| | |___ MathPath
| | |___ MathZoom
| | |___ National Assessment & Testing
| | |___ NIMO
| | |___ Princeton Math Competition
| | |___ Rocket City Math League
| | |___ The iTest
| |
| |___ Other Problem Solving Topics
| | |___ Mathematical Books and Journals
| | |___ Puzzles & Brainteasers
| | |___ Math & Strategy Games
| | |___ Problems From the Book
| | |___ Inequalities
| | |___ Valuations and the order of an element
| | |___ Primes and squares
| | |___ Algebraic Combinatorics
| | |___ Cycles, paths and other ways
| | |___ Basic Algebraic Number Theory and applications
| | |___ Special applications of polynomials
| | |___ Analysis and Number Theory
| | |___ Miscellaneous
| |
| |___ International Contests & Programs
|
|___ Olympiad Section
| |___ Algebra
| | |___ Algebra Unsolved Problems
| | |___ Algebra Proposed & Own Problems
| | |___ Algebra Open Questions
| | |___ Algebra Solved Problems
| | |___ Algebra Theorems and Formulas
| |
| |___ Combinatorics
| | |___ Combinatorics Unsolved Problems
| | |___ Combinatorics Proposed & Own Problems
| | |___ Combinatorics Open Questions
| | |___ Combinatorics Solved Problems
| | |___ Combinatorics Theorems and Formulas
| |
| |___ Geometry
| | |___ Geometry Unsolved Problems
| | |___ Geometry Proposed & Own Problems
| | |___ Geometry Open Questions
| | |___ Geometry Solved Problems
| | |___ Geometry Theorems and Formulas
| |
| |___ Inequalities
| | |___ Inequalities Unsolved Problems
| | |___ Inequalities Proposed & Own Problems
| | |___ Inequalities Open Questions
| | |___ Inequalities Solved Problems
| | |___ Inequalities Theorems and Formulas
| |
| |___ Number Theory
| | |___ PEN
| | | |___ General Discussion
| | | | |___ PEN discussion
| | | | |___ Other problems
| | | |
| | | |___ Download PEN
| | | | |___ Pen PDF Version
| | | | |___ Pen DVI Version
| | | |
| | | |___ Official PEN problems
| | | |___ Divisibility Theory
| | | |___ Arithmetic in Zn
| | | | |___ Primitive Roots
| | | | |___ Quadratic Residues
| | | | |___ Congruences
| | | |
| | | |___ Primes and Composite Numbers
| | | |___ Rational and irrational numbers
| | | | |___ Rational numbers
| | | | |___ Irrational numbers
| | | |
| | | |___ Diophantine Equations
| | | |___ Functions in Number Theory
| | | | |___ Floor Function and Fractional Part Function
| | | | |___ Divisor Functions
| | | | |___ Functional Equations
| | | |
| | | |___ Sequences of Integers
| | | | |___ Linear Recurrences
| | | | |___ Recursive Sequences
| | | | |___ More sequences
| | | |
| | | |___ Combinatorial Number Theory
| | | |___ Additive Number Theory
| | | |___ Various problems
| | | |___ Polynomials
| | | |___ The Geometry of Numbers
| | | |___ Miscellaneous Problems
| | |
| | |___ Number Theory Unsolved Problems
| | |___ Number Theory Proposed & Own Problems
| | |___ Number Theory Open Questions
| | |___ Number Theory Solved Problems
| | |___ Number Theory Theorems and Formulas
| |
| |___ High-School Contests
| |___ MathLinks Contest
| | |___ Old MathLinks Contests
| | |___ MathLinks Contest 6th Edition, Fall 2005
| | |___ MathLinks Contest 5th Edition, Spring 2005
| | |___ MathLinks Contest 4th Edition, Fall 2004
| | |___ MathLinks Contest 3rd Edition, Spring 2004
| | |___ MathLinks Contest 2nd Edition, Fall 2003
| | |___ MathLinks Contest 1st Edition, Spring 2003
| |
| |___ National Olympiads
| |___ International Mathematical Olympiad
| | |___ IMO 2009 Germany
| | | |___ Questions of the IMO 2009 Germany
| | | |___ Results of the IMO 2009 Germany
| | |
| | |___ Previous IMOs
| | |___ IMO 2008 Spain
| | | |___ Questions of the IMO 2008 Spain
| | | |___ Results of the IMO 2008 Spain
| | |
| | |___ IMO 2007 Vietnam
| | | |___ Questions of IMO 2007 Vietnam
| | | |___ Results of the IMO 2007 Vietnam
| | |
| | |___ IMO 2006 Slovenia
| | | |___ Questions of IMO 2006 Slovenia
| | | | |___ Results of the 47th IMO 2006 Slovenia
| | | |
| | | |___ Results of the 47th IMO 2006 Slovenia
| | | |___ IMO 2006 Pictures!
| | |
| | |___ IMO 2005 Mexico
| | | |___ Questions of IMO 2005 Mexico
| | | |___ Results of the 46th IMO 2005 Mexico
| | |
| | |___ IMO 2004 Greece
| | | |___ Questions of IMO 2004
| | | |___ Results of the 45th IMO 2004
| | |
| | |___ IMO 2003 Japan
| | |___ Questions of the 2003 IMO
| |
| |___ IMO Shortlist
| | |___ View all the IMO Shortlist Problems
| |
| |___ Download
| |___ German TST
|
|___ College Playground
| |___ Calculus - Real Analysis
| | |___ Calculus Computations and Tutorials
| | |___ Unsolved and Proposed Problems
| | | |___ Calculus Open Questions
| | |
| | |___ Solved Problems
| | |___ Theorems, Formulas and Other Questions
| |
| |___ Matrix - Linear Algebra
| | |___ Matrix Algebra - Computations and Tutorials
| | |___ Unsolved and Proposed Problems
| | | |___ Open Questions
| | |
| | |___ Solved Problems
| | |___ Theorems, Formulas and Other Questions
| |
| |___ Superior Algebra - Groups, Fields, Rings, Ideals
| | |___ Unsolved and Proposed Problems
| | | |___ Open Questions
| | |
| | |___ Solved Problems
| | |___ Theorems, Formulas and Other Questions
| |
| |___ Complex Analysis
| | |___ Computationals and Tutorials
| | |___ Unsolved and Proposed Problems
| | | |___ Open Questions
| | |
| | |___ Solved Problems
| | |___ Theorems, Formulas and Other Questions
| |
| |___ Advanced fields
| | |___ Unsolved and Proposed Problems
| | | |___ Open Questions
| | |
| | |___ Solved Problems
| | |___ Theorems, Formulas and Other Questions
| |
| |___ Probabilities and Statistics
| |___ Topology
| |___ Contests & Research Topics for Undergrads
| |___ Research Ideas
| |___ Putnam
| |___ International Mathematics Competition
| |___ Other Undergrad Contests
|
|___ Arts & Sciences
| |___ Biology
| |___ Chemistry
| |___ Computer Science and Informatics
| |___ Introductory Physics
| |___ Advanced Physics
| |___ Astronomy & Engineering
| |___ Economics
| |___ Graphical Design
| |___ Music & Art
| |___ Linguistics
|
|___ Other Topics
| |___ The Round Table
| |___ Games
| | |___ Mafia!
| | |___ Fun Factory
| |
| |___ College
| |___ Careers in Mathematics
|
|___ Online School
| |___ Classes Information
|
|___ Alcumus
| |___ Alcumus
| |___ Alcumus Problem Discussion
| |___ Alcumus Video Lesson Discussion
|
|___ AoPS For The Win
| |___ FTW Questions & Support
| |___ FTW Problems Discussion
|
|___ National & Local Communities
| |___ National and Local Communities Round Table
| |___ Asia & Oceania
| | |___ Australia
| | |___ Korean
| | | |___ General Discussion
| | | |___ Math Olympiad
| | |
| | |___ Chinese Communities
| | | |___ Math Problems
| | | |___ Other Topics
| | |
| | |___ Japanese Communities
| | | |___ Math Olympiad
| | | |___ General Discussions
| | |
| | |___ India
| | | |___ General Discussion
| | | |___ Math Olympiad
| | |
| | |___ Vietnam
| | | |___ Math Olympiad
| | | |___ General Discussion
| | |
| | |___ Iran
| | |___ Pakistan
| | |___ Philippines
| | |___ Tajikistan
| |
| |___ Africa
| | |___ General and Math Discussions
| |
| |___ Europe
| | |___ British
| | |___ Bulgarian
| | |___ Czech
| | |___ Ελληνικά
| | | |___ ΟΛΥΜΠΙΑΔΕΣ
| | | |___ ΠΡΟΒΛΗΜΑΤΑ ΓΙΑ ΦΟΙΤΗΤΕΣ
| | | |___ ΣΧΟΛΙΚΕΣ ΑΣΚΗΣΕΙΣ - ΠΡΟΒΛΗΜΑΤΑ
| | | |___ ΓΕΝΙΚΑ ΘΕΜΑΤΑ - ΚΟΥΒΕΝΤΟΥΛΑ
| | |
| | |___ Français
| | | |___ Café mathématique
| | | |___ Mathématique de niveau lycée
| | |
| | |___ Hungarian
| | |___ Deutsch
| | | |___ Mathematische Diskussionen
| | | |___ Mathematikwettbewerbe
| | | |___ Diskussionsrunde und Spaßfabrik
| | |
| | |___ Dutch (Netherlands, Flanders)
| | |___ Italy
| | |___ Norwegian
| | |___ Poland
| | |___ Romanian - Română
| | | |___ Gimnaziu - Capacitate
| | | |___ Liceu - Bacalaureat
| | | |___ Avansaţi - Olimpiada
| | | | |___ Olimpiada Naţională de Matematică
| | | |
| | | |___ Generalităţi
| | |
| | |___ Russian - Russkij
| | | |___ Advanced / Vysshaja liga
| | | |___ Вообще Обсуждения
| | |
| | |___ Spanish Communities
| | | |___ Discusiones Generales
| | | |___ Olimpiada de matemáticas
| | | |___ Matemáticas de preparatoria
| | |
| | |___ Turkey
| | |___ (Former) Yugoslavia
| |
| |___ North America
| |___ San Diego Math Circle
| |___ SDMC Parents
| |___ Canada
| |___ A&M Consolidated
| |___ Alabama
| |___ Arizona
| |___ Bay Area
| |___ Colorado
| |___ Colorado (private)
| |___ Connecticut
| |___ Florida
| |___ Georgia
| |___ Illinois
| |___ Indiana
| |___ Iowa
| |___ Kansas
| |___ Kentucky
| |___ Maryland
| |___ Massachusetts
| |___ Michigan
| |___ Michigan (private)
| |___ Minnesota
| |___ Missouri
| |___ Nevada
| |___ New Hampshire
| |___ New Jersey
| |___ New Mexico
| |___ North Carolina
| |___ NYC
| |___ Ohio
| |___ Oklahoma
| |___ Oregon
| |___ Pennsylvania
| |___ South Carolina
| |___ Southern California ARML
| |___ Texas
| |___ Texas (private)
| |___ Upstate New York
| |___ Utah
| |___ Valley Math Circle
| |___ Vermont
| |___ Virginia
| |___ Washington
| |___ West Virginia
| |___ Wisconsin
|
|___ Site & General Information
| |___ Questions, Suggestions, & Announcements
| |___ AoPS Wiki
| |___ Test Forum
| |___ Asymptote and GeoGebra
| |___ LaTeX
|
|___ Galleries
|___ Pictures from Camps and Contests
|___ Geometry Pictures
|___ Miscellania
|___ User Galleries
Who is Online
Users browsing this forum: 0 Registered, 0 Hidden and 1 Guest
Registered Users: None
Legend:
[
Administrator
][
Moderator
][
User
][
Bot
]
Log in
Username:
Password:
Log me on automatically each visit
New posts
No new posts
Forum is locked
Link
Bookstore
Bookstore Home
AoPS Texts
Contest Prep
Recommendations
All Titles
Gift Certificates
Online Classes
Classes home
Class list/Enroll
How classes work
WOOT
Instructors
What to take
FAQ
Community
Forum
Math Jams
My Classes
Blogs
Classroom
Alcumus
For The Win
FTW
FTW Test Version
How To Play
Leaderboard
AoPSWiki
LaTeX
Introduction
Downloads
Basics
Pictures
Guide
Help
TeXer
Resources
Articles
Books
Internet Guide
Stay Informed
About Us
The Site
Who We Are
Contact Us
Site Guides
Site Map
Students
Parents
Teachers
© Copyright 2008 AoPS Incorporated. All Rights Reserved. •
Foundation
•
Privacy
•
Contact Us
