To Blow or Not to Blow? Thoughts about Self-Censorship

To blow or not to blow--that is the question.

According to Jill Walker, associate professor of humanistic informatics at the University of Bergen, a blog (short for "web log") "is a frequently updated website consisting of dated entries arranged in reverse chronological order so the most recent post appears first (see temporal ordering). Typically, weblogs are published by individuals and their style is personal and informal. Weblogs first...

Blow-up or no blow-up? A unified computational and analytic approach to 3D incompressible Euler and Navier–Stokes equations

Whether the 3D incompressible Euler and Navier–Stokes equations can develop a finite-time singularity from smooth initial data with finite energy has been one of the most long-standing open questions. We review some recent theoretical and computational studies which show that there is a subtle dynamic depletion of nonlinear vortex stretching due to local geometric regularity of vortex filaments...

How to blow up a massive star

Illicit tobacco: Governments continue to blow smoke.

No one would dispute that measures to reduce smoking are one of the most effective public health initiatives that any community can deliver. Nor would they dispute that increases in the retail price of tobacco products are one of the most successful means of reducing tobacco consumption. In Canada, successive tax increases in the early 1990s drove down tobacco consumption before a concerted tob...

Blow - up Solutions for Gkdv Equations with K Blow

In this paper we consider the slightly L-supercritical gKdV equations ∂tu + (uxx + u|u|)x = 0, with the nonlinearity 5 < p < 5 + ε and 0 < ε ≪ 1 . In the previous paper [10] we know that there exists an stable selfsimilar blow-up dynamics for slightly L-supercritical gKdV equations. Such solution can be viewed as solutions with single blow-up point. In this paper we will prove the existence of ...