نتایج جستجو برای: displacements and collapses
تعداد نتایج: 16828356 فیلتر نتایج به سال:
We study episodes where economic growth decelerates to negative rates. While the majority of these episodes are of short duration, a substantial fraction last for a longer period of time than can be explained as the result of business-cycle dynamics. The duration, depth and associated output loss of these episodes differs dramatically across regions. We investigate the factors associated with t...
Trace semantics is extended to allow conditional commutativity among operations. Conditional commutativity is obtained by identifying the context (the set of global states) in which operations are commutative using special predicates. These will allow collapsing execution histories into equivalence classes of conditional traces. Using this approach, it is possible that the execution of two oper...
For reducibilities r and r′ such that r is weaker than r′, we say that the r-degree of A, i.e., the class of sets which are r-equivalent to A, collapses to the r′-degree of A if both degrees coincide. We investigate for the polynomial-time bounded many-one, bounded truth-table, truth-table, and Turing reducibilities whether and under which conditions such collapses can occur. While we show that...
Granular column collapses result in an array of flow phenomena and deposition morphologies, the understanding which brings insights into studying granular flows both natural engineering systems. Guided by experiments, we carried out computational studies with discrete element method (DEM) to identify fundamental links between macro-scale behavior micro-scale properties columns. A dimensionless ...
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