Vuong and Wyckoff proved a theorem known as the stacking theorem which essentially finds the cover pebbling number for any graph: this theorem was proved at about the same time by Jonas Sjostrand.
Vuong and Wyckoff proved a theorem. This theorem was known as the stacking theorem. This stacking theorem essentially finds the cover pebbling number for any graph. This theorem was proved at about the same time by Jonas Sjostrand.