van abel

343 reputation

bio	website	wamath.sinaapp.com
	location	china
	age	25
visits	member for	1 year, 7 months
	seen	yesterday
stats	profile views	55

I am a postgraduate student in Southwest University, Chongqing, China, majored in elementary mathematics and interested fields include Riemannian Geometry and Elliptic Differential Equation. I always confused about the textbooks, so I would like have a discussion with anybody on the net.

	343 reputation	bio	website	wamath.sinaapp.com	visits	member for	1 year, 7 months
18 badges		location	china		seen	yesterday

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25 Questions

votes activity newest

5	An estimate of $C^2$
4	Does there exist a smooth function which is nowhere analytic? [duplicate]
3	Is this a dominated convergence theorem?
3	How to show a basic integral inequality?
2	When $\int \|f\|=\left\|\int f\right\|$ holds?

343 Reputation

+5	What's the exact definition for convolution?
+10	When $\int \|f\|=\left\|\int f\right\|$ holds?
+23	Does there exist a smooth function which is nowhere analytic?
+5	How to calculate this complex integral?

4 Answers

votes activity newest

1	Open set improper integration
1	Help understanding proof of generalization of Cauchy-Schwarz Inequality
0	How to show that a measurable function on $R^d$ can be approximated by step functions?
0	Visualizing why a right-angle rotation formula works in polar coordinates

38 Tags

1 real-analysis × 9	0 pde × 3
1 inequality × 3	0 hyperbolic-geometry × 2
1 recreational-mathematics	0 complex-analysis × 2
0 homework × 7	0 differential-geometry × 2
0 approximation × 4	0 geometry × 2