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IV_'s user avatar
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IV_
  • Member for 8 years, 5 months
  • Last seen more than a week ago
  • Germany
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28
Why do we make such big deal about the 'unsolvability' of the quintic?
Jan 9, 2022
answer
15
How to prove Lambert's W function is not elementary?
Feb 25, 2017
answer
11
When can an invertible function be inverted in closed form?
Dec 9, 2018
question
6
How to extend Ritt's theorem on elementary invertible bijective elementary functions?
Jan 13, 2019
question
5
What are the most general methods for solving equations in closed form with Lambert W?
Dec 25, 2017
question
4
Why are there elementary equations that are not solvable in closed form?
Jun 1, 2019
answer
3
Complexity theory and closed form formulas in analysis
Mar 17, 2019
answer
3
Algebra and cancer research
Jul 20, 2020
answer
3
Nonrepresentability by radicals and entire (or meromorphic) functions of algebraic functions
Dec 25, 2021
answer
2
Multivariate Lagrange inversion with zero powers
Jan 9, 2020
Top network posts
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12
Trigonometric/polynomial equations and the algebraic nature of trig functions
10
Example equation which does not have a closed-form solution
10
How do we know if a function has an elementary inverse?
10
Express solutions of equation $ \tan x= x $ in closed form
7
Prove that an equation has no elementary solution