Artem

 152 Best Fake Proofs? (A M.SE April Fools Day collection) 43 Why teach linear algebra before abstract algebra? 36 Can't argue with success? Looking for “bad math” that “gets away with it” 31 Soviet Russian mathematics books 28 What parts of a pure mathematics undergraduate curriculum have been discovered since $1964?$

### Reputation (12,628)

 +10 How prove this $x^3<\sin^2{x}\tan{x},x\in\left(0,\dfrac{\pi}{2}\right)$ +10 Reversing a conditional probability +10 What is the idea behind Green's function? What does it do? +10 Soviet Russian mathematics books

### Questions (2)

 37 Is there a power of 2 that, written backward, is a power of 5? 20 What is the correct spelling of Paul ErdÅ‘s's name?

### Tags (142)

 410 ordinary-differential-equations × 200 91 book-recommendation × 16 174 soft-question × 20 79 education × 3 164 reference-request × 49 71 linear-algebra × 17 117 dynamical-systems × 49 63 calculus × 29 102 partial-differential-equations × 35 43 abstract-algebra

### Bookmarks (170)

 303 If $AB = I$ then $BA = I$ 192 Proving $\int_{0}^{\infty} \mathrm{e}^{-x^2} dx = \frac{\sqrt \pi}{2}$ 118 probability $2/4$ vs $3/6$ 111 Solving Special Function Equations Using Lie Symmetries 97 Does a non-trivial solution exist for $f'(x)=f(f(x))$?