1. The stability definition needs better justified, as the left side can be arbitrarily small under some construction of \tilde{g}. A more reasonable treatment is to make it also lower bounded. 2. It is expected to see a variety of tasks beyond link predict where PE is important.
1. The stability definition needs better justified, as the left side can be arbitrarily small under some construction of \tilde{g}. A more reasonable treatment is to make it also lower bounded.