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Aug
26
revised Elementary Number Theory $(a+b,\frac{a^p+b^p}{a+b})=1 \text{ or } p$
edited title
Aug
26
asked Elementary Number Theory $(a+b,\frac{a^p+b^p}{a+b})=1 \text{ or } p$
Aug
26
accepted Math and mental fatigue
Aug
26
awarded  Nice Question
Aug
25
asked Math and mental fatigue
Aug
25
accepted Elementary Number Theory (GCD)
Aug
25
accepted Hopf algebra: Identity under convolution
Aug
24
answered Why are epsilon-delta proofs difficult?
Aug
24
asked Hopf algebra: Identity under convolution
Aug
20
asked Composition of two morphisms of algebras
Aug
15
asked Why is the Quasitriangular Hopf algebra called “Quasitriangular”?
Aug
4
comment Elementary Number Theory (GCD)
@Quixotic How about (6,2)=2 but (8,40)=8 ?
Aug
4
revised Elementary Number Theory (GCD)
added 78 characters in body
Aug
4
answered What is the difference between set membership symbol $\in$ and $R$?
Aug
4
asked Elementary Number Theory (GCD)
Jul
22
comment Unambiguous Way of Stating a Biconditional in Plain English
@skullpatrol: The parenthetical (as in a conditional) refers to buying the wallet whether or not the wallet is needed .
Jul
19
comment Special dot-product
Should it be $$<a\backslash b> = \sum_{i=1}^n a_i*b_{n-i+1}?$$
Jul
19
accepted Finding planar representation of graph
Jul
19
accepted Ideal Generated by two elements (Notation question)
Jul
19
accepted Submodules of Free modules counter-example: $Z/4Z$