CAM Chinese A-share market Kriging Levy walks Mathematics & science Monte Carlo method Research & information: general Stefan blowing Weierstrass-Mandelbrot function abstraction accelerated algorithm adjoint analog circuits anomalous diffusion anomalous diffusion equation biodiesel calcium leaching carbon nanotubes category theory change of frequency combustion process continuous time random walk diesel engine performance fault diagnosis ferrofluidslip effect formal approaches fractal dimension fractional material derivative functors fuzzy model