As discussed in another thread, the question linked above had been migrated to math.stackexchange.com and the decision of migration was decided to be incorrect. However, although the question on cstheory.stackexchange.com has been unlocked and reopened, the above link still redirects to math.stackexchange.com. This is very confusing and kills the purpose of unlocking and reopening. Please cancel the migration.
I had already asked this in a comment on this post, but received no reply.