OBJECTIVE
To examine the effect of case mix-adjusted reimbursement policy and market factors on nursing home performance.
DATA SOURCES AND STUDY SETTING
Data from Medicaid certification inspectionâ€¦ (More)

A theorem is stated that enables the number of spanning trees in any finite connected graph to be calculated from two determinants that are easily obtainable from its cycles edges incidence-matrix.â€¦ (More)

The duality alluded to in the title is that between the faces and vertices of a graph embedded on a surface. Its recognition in the context of the five Platonic solids is classic. Algebraically, itâ€¦ (More)

A reference catalogue of 1274 fully-resonant azulenoid tiling patterns with a symmetry group that operates transitively on the azulenes has been generated, and may be consulted atâ€¦ (More)