Ramin Kazemi - Imam Khomeini International University

The notion of a D-poset was introduced in a connection withquantum mechanical models. In this paper, we introduce theconditional expectation of  random variables on theK\^{o}pka's D-Poset and prove the basic properties ofconditional expectation on this  structure.

Kopka's D-posets, random variables, conditional expectation