# Correct Prices Are Not Free

1. Introduction It takes hard work to maintain prices at their fundamental values. Accurate, responsive and informative prices do not occur by magic. Analysts have to diligently monitor firms prospects and security prices. Market makers have to … [Continue reading]

# Dyson Brownian Motion

1. Introduction I outline the construction of Dyson Brownian motion which governs the evolution of the eigen-values of an $(N \times N)$-dimensional stochastic process of Hermitian matrices. For instance, if $A(t)$ is such a process, … [Continue reading]