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Algebra Unsolved Problems
Problems you couldn't solve and to which you know that there is a solution (i.e. a problem from a contest, etc.) but you don't know it.
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f(x+y)≥f(x)+yf(f(x))
Today, at 6:19 pm
KDS
Algebra Proposed & Own Problems
Problems that you have already solved and you are interested in second opinions or solutions.
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3506
13307
Hard functional equation
Today, at 5:44 am
k.l.l4ever
Algebra Open Questions
An open question is a question that has no known solution up to this moment, and it is not known wheter the problem has one or not.
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298
1087
Bijection such if n|f(...
Yesterday, at 7:07 am
pco
Algebra Solved Problems
The problems that were discussed and solved in the topics above are moved here.
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3048
Prove that they are equal
Mon Oct 12, 2009 10:20 pm
manosij
Algebra Theorems and Formulas
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557
x^0=1 for all numbers x??
Thu Nov 12, 2009 3:32 am
spanferkel
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