Let (left(M^{(1)}, ldots, M^{(d)}ight)) be a local martingale with (M_{0}=0) and denote its quadratic variation by (langle
Question:
Let \(\left(M^{(1)}, \ldots, M^{(d)}ight)\) be a local martingale with \(M_{0}=0\) and denote its quadratic variation by \(\langle Mangle=\left(\left\langle M^{(j)}, M^{(k)}ightangleight)_{j, k}\). Show that \(\langle Mangle=0\) implies that \(M=0\).
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Brownian Motion A Guide To Random Processes And Stochastic Calculus De Gruyter Textbook
ISBN: 9783110741254
3rd Edition
Authors: René L. Schilling, Björn Böttcher
Question Posted: