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Results tagged with real-analysis
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user 133880
Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.
8
votes
Sets that project to zero measure on all lines except one
This can be done with an iterated Venetian blind construction.
The idea is you start with a horizontal line segment, replace it with many small rotated parallel line segments, and repeat. In each step …
- 613
8
votes
1
answer
652
views
Can this inequality be proved using weighted maximal function estimates?
I am trying to understand the following fact:
Suppose $\{B_i\}_i$ are disjoint balls in $\mathbb R^n$, and $A_i \subset 100 B_i$ is a subset with $|A_i| \geq c |B_i|$. Then for any nonnegative $f$, w …
- 613