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Jul
2
suggested suggested edit on elliptic-curves tag wiki
Jul
2
wiki created elliptic-curves description
Jul
2
wiki created elliptic-curves excerpt
Jul
2
revised Finding a continuous function with specified properties
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Jul
2
revised Trigonometric identity, possible error
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Jul
1
comment APB is congruent to DPC. Find $x$
@Michael I believe that is the case.
Jul
1
answered APB is congruent to DPC. Find $x$
Jul
1
revised APB is congruent to DPC. Find $x$
added 47 characters in body; deleted 2 characters in body
Jul
1
revised Discrepancy in the Application of the Identity $\sum_{n=-\infty}^\infty f(n) = -\sum_{j=1}^l \operatorname{Res}(g;a_j)$
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Jul
1
revised How did they get this solution?
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Jul
1
comment Find numbers with a given number of divisors.
End with "$0$" means that the number must have at least have one divisor of $2$ and one divisor of $5$. The rest follows from the divisor function.
Jul
1
revised Question of an isomorphism of $\epsilon_ 0$ and a subset of the rationals.
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Jun
30
revised Minimum value of $p^2x + q^2y + r^2z$ if $pqxyz = 54r$
added 11 characters in body; edited title
Jun
30
revised Limits and Derivatives
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Jun
30
revised $1 - (-k \lambda) + (k\lambda)^2 /2 = (k\lambda +O(k\lambda^2))$?
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Jun
30
revised What is the sum of this?
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Jun
30
revised Find the natural number $x$ from this equality. How to solve this type of exercises?
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Jun
28
awarded  Self-Learner
Jun
28
awarded  Nice Question
Jun
27
comment Where is the most appropriate place to ask about the contribution of published papers?
Mathscinet has reviews of certain papers.