Planar curve

9.3 Outline

1. Topology
   1. topologically equivalent figures
   2. planar curve
   3. closed curve
   4. interior/exterior
   5. simple curve
   6. Jordan curve
   7. invariant property
   8. genus
2. Four-color problem
3. Fractal geometry
4. Tessellations

9.3 Essential Ideas

Two geometric figures are said to be topologically equivalent if one figure can … See the whole entry