George Leibman

Structural connections between a forcing class and its modal logic

B. Löwe, J. Hamkins, George Leibman, 2012, 1207.5841.

Consistency Strengths of Modified Maximality Principles

George Leibman, 2004, math/0406063.

A Nonstandard Proof of the Fundamental Theorem of Algebra

George Leibman, George Leibman, 2005, Am. Math. Mon..