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International Journal of Mathematics and Mathematical Sciences
5018 Publications
collected from a compatible aggregator


  • Filters of R0-algebras

    Jun, Young Bae; Lianzhen, Liu (2006)
    The notion of fated filters in R0-algebras is introduced. Characterizations of (fated) filters are given. A filter generated by a set is established. By introducing the notion of finite ⊙-property, we show that if F is a nonempty subset of an R0-algebra L that has the finite ⊙-property, then there exists a maximal filter of L containing F.

    Rings with a finite set of nonnilpotents

    Mohan S. Putcha; Adil Yaqub (1979)
    Let R be a ring and let N denote the set of nilpotent elements of R. Let n be a nonnegative integer. The ring R is called a θn-ring if the number of elements in R which are not in N is at most n. The following theorem is proved: If R is a θn-ring, then R is nil or R is finite. Conversely, if R is a nil ring or a finite ring, then R is a θn-ring for some n. The proof of this theorem uses the structure theory of rings, beginning with the division ring case, followed by the primitive ring case, ...

    Optimal Transfer-Ordering Strategy for a Deteriorating Inventory in Declining Market

    Shah, Nita H.; Shukla, Kunal T. (2009)
    The retailer's optimal procurement quantity and the number of transfers from the warehouse to the display area are determined when demand is decreasing due to recession and items in inventory are subject to deterioration at a constant rate. The objective is to maximize the retailer's total profit per unit time. The algorithms are derived to find the optimal strategy by retailer. Numerical examples are given to illustrate the proposed model. It is observed that during recession when demand is ...

    Simultaneous approximation for the Phillips operators

    Govil, N. K.; Gupta, Vijay; Noor, Muhammad Aslam (2006)
    We study the simultaneous approximation properties of the well-known Phillips operators. We establish the rate of convergence of the Phillips operators in simultaneous approximation by means of the decomposition technique for functions of bounded variation.

    Dual integral equations involving Weber-Orr transforms

    Nasim, C. (1991)
    In this paper we consider dual integral equations involving inverse Weber-Orr transforms of the type Wν−k,ν−1[;], k=0,1,…. A general solution is established using elementary methods. Many known results are derived as special cases.
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