S. Roy

A new approach to the problem of PLA partitioning using the theory of the principal lattice of partitions of a submodular function

H. Narayanan, S. Roy, 1991, [1991] Proceedings Fourth Annual IEEE International ASIC Conference and Exhibit.

Approximation Algorithms for Min-k-Overlap Problems Using the Principal Lattice of Partitions Approach

Sachin B. Patkar, H. Narayanan, Subir Roy, 1994, J. Algorithms.