考慮在離散空間下的隨機熱傳導方程，即隨機微分方程系統。我們研究系統在什麼條件下會有不變測度，不變測度的收斂速度為何。 ;We consider continuous time and discrete space stochastic heat equation, namely a system of stochastic differential equations. We like to know under what condition we will have invariant measure, and what would be the convergence rate.
