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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.
edited title
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.
Jun
27
revised Important papers in arithmetic geometry and number theory
added 8 characters in body