Euler Characteristic χ is an invariant in Topology.
Interesting to note that a tree with no cycle (loop), χ =1
Homology is better than Euler Characteristic to differentiate manifolds with holes (eg. Torus, Klein Bottle, …)
Euler Characteristic χ is an invariant in Topology.
Interesting to note that a tree with no cycle (loop), χ =1
Homology is better than Euler Characteristic to differentiate manifolds with holes (eg. Torus, Klein Bottle, …)
Reblogged this on Singapore Maths Tuition.