Extensions for finite groups of Lie type II: Filtering the truncated induction functor by C. P. Bendel, D. K. Nakano, and C. Pillen Algebras, representations and their derived categories over finite fields by B. Deng and J. Du On localization of $\bar D$-modules by Y. Hashimoto, M. Kaneda, and D. Rumynin Representations of reduced enveloping algebras and cells in the affine Weyl group by J. E. Humphreys Nakajima's monomials and crystal bases by S.-J. Kang, J.-A. Kim, and D.-U. Shin A new Lie bialgebra structure on $sl(2,1)$ by G. Karaali The Steinberg tensor product theorem for $GL(m/n)$ by J. Kujawa Cyclotomic $q$-Schur algebras and Schur-Weyl duality by Z. Lin and H. Rui Geometric crystals and affine crystals by T. Nakashima Self-extensions for finite symplectic groups via algebraic groups by C. Pillen Classification of finite dimensional simple Lie algebras in prime characteristics by A. Premet and H. Strade From quantum groups to unitary modular tensor categories by E. C. Rowell A trip from representations of the Kronecker quiver to canonical bases of quantum affine algebras by J. Xiao and G. Zhang.