Skip to main content
Mathematics
IV_'s user avatar
IV_'s user avatar
IV_'s user avatar
IV_
  • Member for 10 years
  • Last seen this week
  • Germany
Profile Activity

Stats

8,139
reputation
224k
reached
456
answers
49
questions
Communities
View all

Badges

View all badges
1
gold badge
25
silver badges
63
bronze badges

Top tags

View all tags
203
Score
118
Posts
23
Posts %
109
Score
83
Posts
16
Posts %
103
Score
84
Posts
17
Posts %
97
Score
76
Posts
15
Posts %
78
Score
49
Posts
10
Posts %
78
Score
47
Posts
9
Posts %

Top posts

View all questions and answers
12
Trigonometric/polynomial equations and the algebraic nature of trig functions
Jul 16, 2017
11
Example equation which does not have a closed-form solution
Aug 8, 2021
10
Express solutions of equation $ \tan x= x $ in closed form
Oct 28, 2017
10
How do we know if a function has an elementary inverse?
Aug 12, 2021
9
Solving $1 + x\cos(ωx) + \sin(ωx)=0$ for $x$. Is there a closed form?
Jul 25
7
Prove that an equation has no elementary solution
Feb 25, 2017
7
Can we list explicitly all types of polynomial equations of one unknown that are solvable by radicals?
Sep 4, 2021
7
Functions that are easy to antidifferentiate but whose inverses are hard to antidifferentiate
Jan 31, 2019
7
Equations solvable by Lambert Function
Nov 19, 2017
6
Why is it that the Lambert W relation cannot be expressed in terms of elementary functions?
Feb 25, 2017

Top network posts

View all network posts
28
Why do we make such big deal about the 'unsolvability' of the quintic?
15
How to prove Lambert's W function is not elementary?
11
When can an invertible function be inverted in closed form?
6
How to extend Ritt's theorem on elementary invertible bijective elementary functions?
5
What are the most general methods for solving equations in closed form with Lambert W?