title: Assessing the duration of Putin's war with Ukraine
abstract: The war in Ukraine has continued for more than a year without an end in sight. Estimating the duration of such a conflict that is a combination of attrition and manoeuvre is difficult. In a general sense both sides are drawing resources from their respective pools of manpower, (artillery) ammunition and other supplies to slowly wear down their opponent. It is likely that the war will end once one of both parties runs out of their resources. We use mathematical models and open source date to esti