To get an intuitive feeling for the characteristics of H'-spaces, it is instructive to consider an important class of such spaces, the suspensions. The suspension of an arbitrary topological space Y is defined to be the quotient space of Y⨯I where Y⨯0 is identified to one point and Y⨯1 is identified to another point. For example, the suspension of a circle is a cylinder with the two ends collapsed into one point each; in other words, a space homeomorphic to a sphere.
As this issue of RAIL went to press, preparations were under way at Dawlish for the first pre-cast units to be installed as part of the programme to protect the sea wall.
The Ministry of Culture said Tuesday that it has designated four ancient areas of Liang Island in the Matsu archipelago as the Taiwan's 11th national archaeological site. Liang, a 0.35 square kilometer island in the Matsu archipelago off the east coast of China, is part of Beigan Township in Lienchiang County.
Fearing to advance upon unknown grounds lest he might meet with some of those slip-ups which kill an orator dead, he waits until the question, proposed by others, has become well set forth; then, having a clear perception of the subject, he enters the lists and conducts the attack by a well-known process at the bar—that of assailing the weakest point of the enemy.