i,1/f ([pi])] is

nonnegative and has a zero of order at least 2 at [pi].

b] does not imply that a factorable matrix A is conservative: take any

nonnegative sequences ([b.

Document clustering using

nonnegative matrix factorization, Information Processing & Management.

that is, [beta] [greater than or equal to] [alpha] if and only if [beta] - [alpha] can be written as a linear combination of simple roots with

nonnegative integer coefficients.

11] Let S be a set of distinct elements of C [union] {[infinity]} and k be a

nonnegative integer or [infinity].

1]) {p(n)}, {q(n)} are sequences of

nonnegative real numbers and {q(n)} is not identically zero.

the participation constraint of the insurer) requires that the expected profit (3) be

nonnegative.

5) is not true for every

nonnegative integrable function [phi], the proof of (i) is not correct.

t] be

nonnegative and the solution of the following ordinary differential equation:

1]) There exist two

nonnegative functions b(t), c(t) [member of] C[0, 1] with c(t) [not equivalent to] 0 and one continuous even function B : (-[infinity], +[infinity]) [right arrow] [0, +[infinity]) such that

where t denotes the time and the

nonnegative integer, k [member of] [Z.

We degine the

nonnegative extended real numbers [f.

2] with a function f that is

nonnegative and measurable w.

Let [psi](n, r) be a

nonnegative nondecreasingfunction in r for any fixed n [member of] N([n.

1] (x, y) is

nonnegative, continuous, nondecreasing in x and nonincreasing in y for x, y [member of] [R.