5,416 reputation
620
bio website mrcactu5.herokuapp.com/…
location New York, NY
age 29
visits member for 3 years, 10 months
seen 9 hours ago

Data Scientist @ Explorer Media


Oct
17
revised Nice derivation of $\sum_{n=1}^\infty \frac{1}{n} \left( \frac{q^{2n}}{1-q^n}+\frac{\bar q^{2n}}{1-\bar q^n}\right)=-\sum_{m=2}^\infty \ln |1-q^m|^2$
added 2 characters in body
Oct
15
revised Nice derivation of $\sum_{n=1}^\infty \frac{1}{n} \left( \frac{q^{2n}}{1-q^n}+\frac{\bar q^{2n}}{1-\bar q^n}\right)=-\sum_{m=2}^\infty \ln |1-q^m|^2$
forgot an important sum sign
Oct
15
revised Nice derivation of $\sum_{n=1}^\infty \frac{1}{n} \left( \frac{q^{2n}}{1-q^n}+\frac{\bar q^{2n}}{1-\bar q^n}\right)=-\sum_{m=2}^\infty \ln |1-q^m|^2$
connection to Virsasoro
Oct
15
revised Nice derivation of $\sum_{n=1}^\infty \frac{1}{n} \left( \frac{q^{2n}}{1-q^n}+\frac{\bar q^{2n}}{1-\bar q^n}\right)=-\sum_{m=2}^\infty \ln |1-q^m|^2$
connection to Virsasoro
Oct
13
revised Show Laplace operator is rotationally invariant
added 643 characters in body
Oct
12
revised Proving that $\sum \overline{PV_i}^2=\frac{nl^2}{4}\left(1+2\cot^2 \frac{\pi}{n}\right)$
added 226 characters in body
Oct
12
revised Proving that $\sum \overline{PV_i}^2=\frac{nl^2}{4}\left(1+2\cot^2 \frac{\pi}{n}\right)$
added 226 characters in body
Oct
12
revised Proving that $\sum \overline{PV_i}^2=\frac{nl^2}{4}\left(1+2\cot^2 \frac{\pi}{n}\right)$
added 226 characters in body
Oct
4
revised How prove this $\int_{a}^{b}f(x)dx=\frac{1}{2}(b-a)[f(a)+f(b)]-\frac{1}{12}(b-a)^3f''(\xi)$
added 242 characters in body
Oct
4
revised How prove this $\int_{a}^{b}f(x)dx=\frac{1}{2}(b-a)[f(a)+f(b)]-\frac{1}{12}(b-a)^3f''(\xi)$
added 988 characters in body
Sep
23
revised Understanding the solution of a riddle about lions and sheep.
added 773 characters in body
Sep
17
revised Is $\int_{-1}^1 \frac{dx}{\sqrt{x^2 - 1}} $ divergent?
edited tags
Sep
15
revised Is $\int_{-1}^1 \frac{dx}{\sqrt{x^2 - 1}} $ divergent?
added 119 characters in body
Sep
14
revised Is $dx\,dy$ really a multiplication of $dx$ and $dy$?
added 370 characters in body
Sep
7
revised On coverings of the complex sphere
added 530 characters in body
Sep
7
revised On coverings of the complex sphere
deleted 32 characters in body
Sep
3
revised Where can I learn about Mathematical Philosophy?
added 1250 characters in body
Sep
3
revised Rotation number of inverse maps on the circle.
added 374 characters in body
Sep
1
revised Show that $\int_{\mathbb{R}^n}f_1f_2 …f_n dx_1 …dx_n ≤ (I_1 …I_n)^{1/(n−1)}.$
added 165 characters in body
Sep
1
revised Show that $\int_{\mathbb{R}^n}f_1f_2 …f_n dx_1 …dx_n ≤ (I_1 …I_n)^{1/(n−1)}.$
added 165 characters in body