Prove Connectedness - Prove that G with at least
(n-1)(n-2)/2+1 edges is connected, where n is the order of G.
Connectedness - Let G be a graph of order n such that deg(v)>=(n-1)/2. Prove that G is connected.
Circles that cannot be homeomorphic - 23. Using the intuitive notion of connectedness, argue that a circle and a circle with a spike attached cannot be homeomorphic.
(Question is also included in attachment)
General and Differential Topology - This is one of the basic courses for students beginning study towards the Ph.D. degree in mathematics.
Content: Topological and metric spaces, continuity, subspaces, products and quotient topology, ...
General and Differential Topology - This is one of the basic courses for students beginning study towards the Ph.D. degree in mathematics.
Content: Topological and metric spaces, continuity, subspaces, products and quotient topology, ...