IN 1932, Stone [1] gave the first result concerning C<sub>0</sub> semigroups generated by an unbounded operator,which says that a linear operator is the infinit
A new idea and a distinctive method have been proposed, which concern real errors and their estimators. By using the idea of 'Quasi-Stable Adjustment' c
MUD crack is a common bedding-plane structure, but the zigzag mud cracks (figs. 1 and 2) are rare phenomena that were found beside G314 highway from Kaxgar to T
Relative dielectric constant is an important physical factor in the theory of microwave remote sensing and electromagnetic transmission. This note reports the r