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The software business however is very volatile and there is an external pressure to decrease the uncertainty level over time. The project must actively and continuously work to reduce the uncertainty level. The cone of uncertainty is narrowed both by research and by decisions that remove the sources of variability from the project.
The cone of curves is defined to be the convex cone of linear combinations of curves with nonnegative real coefficients in the real vector space () of 1-cycles modulo numerical equivalence. The vector spaces N 1 ( X ) {\displaystyle N^{1}(X)} and N 1 ( X ) {\displaystyle N_{1}(X)} are dual to each other by the intersection pairing, and the nef ...
The definition of the tangent cone can be extended to abstract algebraic varieties, and even to general Noetherian schemes. Let X be an algebraic variety, x a point of X, and (O X,x, m) be the local ring of X at x. Then the tangent cone to X at x is the spectrum of the associated graded ring of O X,x with respect to the m-adic filtration:
The cone of uncertainty used by the National Hurricane Center has shrunk dramatically since 2003 as forecasting science improves. Every year, it’s recalculated based on tracking errors from the ...
The cone over a closed interval I of the real line is a filled-in triangle (with one of the edges being I), otherwise known as a 2-simplex (see the final example). The cone over a polygon P is a pyramid with base P. The cone over a disk is the solid cone of classical geometry (hence the concept's name). The cone over a circle given by
The cone graphic shows the areas that will potentially be affected by Hurricane Ian. What does a ‘cone of uncertainty’ mean? What to know about a Hurricane Ian descriptor
More generally, given a vector bundle (finite-rank locally free sheaf) E on X, if R=Sym(E *) is the symmetric algebra generated by the dual of E, then the cone is the total space of E, often written just as E, and the projective cone is the projective bundle of E, which is written as ().
When there’s a hurricane coming, one iconic image fills TV screens and social media feeds: the cone of uncertainty. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please ...