lindamac

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seen Aug 16 '12 at 14:45

Jun
12
awarded  Popular Question
Aug
13
comment show partial sum converges almost surely
I need some help to prove that $\sum_{n\in N} \mathbb{P}(|\sum_{k=1}^{n}X_k|>\epsilon)<\infty$
Aug
13
comment show partial sum converges almost surely
Sorry I've edited the question. Is there any way to use law of large numbers and Borel-Cantelli to solve the question , thought it might be longer than use three seriez theorem?
Aug
13
revised show partial sum converges almost surely
added 108 characters in body
Aug
13
asked Prove the time inversion formula is brownian motion
Aug
13
asked show partial sum converges almost surely
Aug
11
awarded  Editor
Aug
11
awarded  Scholar
Aug
11
accepted Operator norm of the sum of a finite collection of bounded linear operator
Aug
10
comment Operator norm of the sum of a finite collection of bounded linear operator
Can you actually show why Tif=TiPif ? Also , I dont quite understand the last two step and how they imply the conclusion .
Aug
10
awarded  Student
Aug
10
asked Operator norm of the sum of a finite collection of bounded linear operator