The notion of Asteroidal triples was introduced by Lekkerkerker and Boland [6]. D.G.Corneil and others [2], Ekkehard Kohler [3] further investigated asteroidal triples. Walter generalized the concept of asteroidal triples to asteroidal sets [8]. Further study was carried out by Haiko Muller [4]. In this paper we find asteroidal numbers for Direct product of cycles, Direct product of path and cy...

Introducing new products is a key factor for the success and survival of companies. Managers need to examine every possibility that can occur during the life span of their new product and focus on the right strategy. Even then, launching a new product is highly risky due to uncertainties of the market and competitors. Traditional discounted cash flow models have some major disadvantages, and th...