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Top Questions
6
votes
The conjecture about the existence of closed-form inverses of functions
proof-writing
solution-verification
closed-form
asked Jun 27 '20 at 21:29
math.stackexchange.com
5
votes
What is the inverse of simply composited elementary functions?
algebra-precalculus
analysis
closed-form
asked Dec 22 '18 at 19:40
math.stackexchange.com
5
votes
What are the most general methods for solving equations in closed form with Lambert W?
special-functions
computer-algebra
closed-form-expressions
asked Dec 25 '17 at 14:47
mathoverflow.net
5
votes
How to extend Ritt's theorem on elementary invertible bijective elementary functions?
ac.commutative-algebra
fields
closed-form-expressions
differential-algebra
asked Jan 13 '19 at 16:22
mathoverflow.net
Top Answers
11
How to prove Lambert's W function is not elementary?
mathoverflow.net
7
Functions that are easy to antidifferentiate but whose inverses are hard to antidifferentiate
math.stackexchange.com
5
Why is it that the Lambert W relation cannot be expressed in terms of elementary functions?
math.stackexchange.com
5
Prove that an equation has no elementary solution
math.stackexchange.com
5
General formula for $\dfrac{d^n}{dx^n}e^{f(x)}$ vs. integer composition or Stirling Numbers 2nd kind
math.stackexchange.com
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