The 2016 Nobel Prize for Physics was shared by David J. Thouless, F. Duncan M. Haldane, and John Michael Kosterlitz. These papers are the text of the address given in conjunction with the award.

Nobel Lecture: Topological defects and phase transitions
John Michael Kosterlitz
Rev. Mod. Phys. 89, 40501 (2017)
Nobel Lecture: Topological quantum matter
F. Duncan M. Haldane
Rev. Mod. Phys. 89, 40502 (2017)