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visits member for 2 years, 5 months
seen Sep 8 at 2:35

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: $Z/4Z$
Jul
19
accepted Is this probability method correct?
Jul
19
accepted What exactly is a tensor product?
Jul
19
accepted Subdivisions of graphs (must the vertices be distinct)
Jul
19
accepted Continuity of Multivariable function
Jul
19
accepted Ring notation, $R=\mathbb{Z}[1/N]$
Jul
19
accepted Continuous function from $(0,1)$ onto $[0,1]$
Jul
15
comment Unambiguous Way of Stating a Biconditional in Plain English
The original "(as in a conditional)" seems to be correct.
Jul
13
revised Unambiguous Way of Stating a Biconditional in Plain English
added 198 characters in body