Theoretical studies of positron states and annihilation characteristics at the oxidized Cu(100) surface and the generalized gradient approximation (GGA).
Surface structures in calculations have been constructed by adding
Theoretical aspects of studies of oxide and semiconductor surfaces using low energy positrons- and Ga-rich reconstructed GaAs(100)
surfaces. The variations in atomic
structure and chemical composition
Automatic modeling of surfaces with identical slopesThe visualization problem of the formation process of
surfaces with the same slope (generator angle
Underground mining influence on an environment of water resources and disturbance of
surface waters regimes; pollution of
surface waters; pollution of a
Analytical ruled surfaces and their complete classification structures in the form of traditional and non-canonical ruled
surfaces. These
surfaces have several