Einen Tag vor den Herbstferien komme ich mal wieder dazu, nicht nur die Zeit am Tag des Erscheinens zu lesen, sondern auch auf ein paar lesenswerte...

1. Suppose A is a finite open set in the metric space (X,d). Prove that every point of A is isolated in (X,d) 2. Suppose (X,d) is a metric space and

Global growth figures are deceptive if you do not understand cumulative mathematics so please listen carefully if you do not already know what I mean by this statement. I have not seen this aspect of growth covered adequately and believe it is part of a c...