On a dyadic approximation of predictable processes of finite variation
@article{ECP2972, author = {Pietro Siorpaes}, title = {On a dyadic approximation of predictable processes of finite variation}, journal = {Electron. Commun. Probab.}, fjournal = {Electronic Communications in Probability}, volume = {19}, year = {2014}, keywords = {submartingale, compensator, predictable, stopping-time}, abstract = {We show that any càdlàg predictable process of finite variation is an a.s. limit of elementary predictable processes; it follows that predictable stopping times can be approximated "from below" by predictable stopping times which take finitely many values. We then obtain as corollaries two classical theorems: predictable stopping times are announceable, and an increasing process is predictable iff it is natural.
}, pages = {no. 22, 1-12}, issn = {1083-589X}, doi = {10.1214/ECP.v19-2972}, url = {http://ecp.ejpecp.org/article/view/2972}}