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Jan 28, 2023 at 14:17 vote accept ABIM
Jan 28, 2023 at 0:16 answer added Thomas Kojar timeline score: 1
Sep 8, 2019 at 18:21 comment added Yuval Peres Sorry, the question still is indecipherable. Is $W_0=0$ or not? Note my previous question on the direction of the inequality.
Sep 8, 2019 at 17:24 comment added ABIM That's fine, I adjusted for that to make things clear
Sep 8, 2019 at 17:23 history edited ABIM CC BY-SA 4.0
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Sep 8, 2019 at 5:55 comment added Yuval Peres Are you sure you want $|Y_t| \le a$ rather than $|Y_t| \ge a$? If so then $W_0$ must be nonzero.
Sep 3, 2019 at 8:06 history edited YCor CC BY-SA 4.0
edited title
Sep 3, 2019 at 8:05 history edited ABIM CC BY-SA 4.0
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Sep 2, 2019 at 21:25 comment added Yuval Peres Please proofread your definition of $\tau_a$
Sep 2, 2019 at 9:23 comment added ABIM Sure, I've made it more precise.
Sep 2, 2019 at 9:21 history edited ABIM CC BY-SA 4.0
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Sep 2, 2019 at 9:17 comment added Yuval Peres Can you state more precisely the inequality you want to prove?
Sep 2, 2019 at 7:36 history asked ABIM CC BY-SA 4.0