A note on Das's approximation to Mills's ratio

This paper gives a sharp bound on the maximum relative error in Das's approximation to Mills's ratio.Mills's ratio normal tail probability Poisson summation formula

Invariance principles for stochastic area and related stochastic integrals

Given an antisymmetric kernel K (K(z, z') = -K(z', z)) and i.i.d. random variates Zn, n[greater-or-equal, slanted]1, such that EK2(Z1, Z2)stochastic integral invariance principle stochastic area antisymmetric kernel