(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Show that [tex] \frac{X ( a^2t) }{a} [/tex] is a brownian motion.

2. Relevant equations

http://img168.imageshack.us/img168/8453/83818601fz4.png [Broken]

3. The attempt at a solution

I found this in my lecture notes but isn't the proof just replacing (t-s) by a^2(t-s) and s by a^2 s and dividing through a?

http://img504.imageshack.us/img504/7958/95843783bk9.png [Broken]

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Brownian motion

**Physics Forums | Science Articles, Homework Help, Discussion**