There is a new sorting algorithm a deterministic O(m log2/3 n)-time algorithm for single-source shortest paths (SSSP) on directed graphs with real non-negative edge weights in the comparison-addition ...

Project Scheduling in And-Or Graphs: A Generalization of Dijkstra's Algorithm George M. Adelson-Velsky and Eugene Levner Mathematics of Operations Research , pp. 504-517 (14 pages) ...