Scaling of differentiation in networks

Differentiation of networks (link), a recent work points out efficiency in many metrics networks based on a natural selection appears to be more robust.

Crowd dynamics : Fluid Dynamics to Statistical Physics

Study of crowd dynamics with techniques imported from Physical
sciences, particularly statistical physics, is not very new idea but
relatively young field. (See economist article). A recent article gives a
recent advances in crowd dynamics in analogy with hydrodynamics,
Visual crowd surveillance through a hydrodynamics lens.

Combinatorial Algorithms: An old book?

This is almost as old as I am but it is forgotten treasure:

Nijenhuis, A. and Wilf, H.S. (1978) _Combinatorial Algorithms for
Computers and Calculators_; Academic Press, NY.

Dennis Ritchie (1941--2011)

In memory of Dennis Ritchie: article