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Jun
28
answered Minimization on compact region
Jun
28
comment Minimization on compact region
Your critical equations are not all. You need to include $x^2+y^2+z^2=1$ and $x+y+z=0$ too. In the method of Lagrange multipliers they arise from differentiating with respect to $\lambda_i$. If you do that, you get a polynomial system with isolated solutions. I would compute them using Gröbner bases, but there are probably other methods too.
Jun
27
answered Radical ideal computation (Macaulay2)
Jun
27
comment Radical ideal computation (Macaulay2)
The function myRad is not necessary, it is just equal to the function radical.
Jun
23
revised limit of $\log(x)^{(k+1)}/x$
Title in LaTeX
Jun
23
suggested approved edit on limit of $\log(x)^{(k+1)}/x$
Jun
18
awarded  Organizer
Jun
18
revised Proving that an equation has no solution in the set of integers.
Add diophantine equations tag. Remove ring theory.
Jun
18
suggested approved edit on Proving that an equation has no solution in the set of integers.
Jun
18
reviewed No Action Needed Proving that an equation has no solution in the set of integers.
Jun
5
awarded  Custodian
Jun
5
reviewed Reviewed is It possible that beal's conjecture can be solved using wiles' proof?
Jun
4
awarded  Nice Answer
Jun
4
awarded  Yearling
Jun
4
answered Is there a representation of an inner product where monomials are orthogonal?
Jun
4
revised Number of ideals in a minimal irreducible decomposition
Expand on the proposition of Vasconcelos
Jun
3
comment Is an irreducible ideal in $R$ irreducible in $R[x]$?
Constant terms of what? Generators of $IR[x]$? Please explain more.
Jun
3
answered Number of ideals in a minimal irreducible decomposition
Jun
3
asked Is an irreducible ideal in $R$ irreducible in $R[x]$?
Jun
2
comment Dimension of the image and the kernel of f
If you have calculated those linear space (image and kernel) then you should know their dimensions! They are equal the the cardinalities of bases.