An infeasible-start algorithm for linear programming whose complexity depends on the distance from the starting point to the optimal solution

A potential-function reduction algorithm for solving a linear program directly from an infeasible "warm start"

Freund, Robert Michael., (1989)

Combinatorial analogs of Brouwer's fixed point theorem on a bounded polyhedron

Freund, Robert Michael., (1985)

Barrier functions and interior-point algorithms for linear programming with zero-, one-, or two-sided bounds on the variables

Freund, Robert Michael., (1992)