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- D G McDowell, N H Mann
- Plasmid
- 1991

The complete nucleotide sequence of a small (2.055 kb) plasmid pHD2 from Bacillus thuringiensis var. kurstaki strain HD1-DIPEL was obtained. The sequence encoded two open reading frames (ORFs) which corresponded to polypeptides of Mr 26,447 and 9122. Comparison of the sequence with those obtained for other plasmids from Gram-positive organisms suggested… (More)

- Edris Rawashdeh, Dave McDowell, Leela Rakesh
- Int. J. Math. Mathematical Sciences
- 2004

where q : I → R, pi : I → R, and ki : D → R (i = 0,1) (with D := {(t,s) : 0 ≤ s ≤ t ≤ T}) are given functions and are assumed to be (at least) continuous in the respective domains. For more details of these equations, many other interesting methods for the approximated solution and stability procedures are available in earlier literatures [1, 3, 4, 5, 6, 7,… (More)

- Edris Rawashdeh, Dave McDowell, Leela Rakesh
- Int. J. Math. Mathematical Sciences
- 2005

Simplest results presented here are the stability criteria of collocation methods for the second-order Volterra integrodifferential equation (VIDE) by polynomial spline functions. The polynomial spline collocation method is stable if all eigenvalues of a matrix are in the unit disk and all eigenvalues with |λ| = 1 belong to a 1 × 1 Jordan block. Also many… (More)

- H Y Kim, D G McDowell, N H Mann
- Nucleic acids research
- 1988

- Edris Rawashdeh, Dave McDowell, Leela Rakesh
- Int. J. Math. Mathematical Sciences
- 2005

The numerical stability of the polynomial spline collocation method for general Volterra integro-differential equation is being considered. The convergence and stability of the new method are given and the efficiency of the new method is illustrated by examples. We also proved the conjecture suggested by Danciu in 1997 on the stability of the polynomial… (More)

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