Top network posts

• 35 Which polygons can be turned inside out by a smooth deformation?
• 34 In a topological space if there exists a loop that cannot be contracted to a point does there exist a simple loop that cannot be contracted also?
• 22 Continuous functions taking uncountably many values countably often
• 12 Expand a random range from 1–5 to 1–7
• 11 Open problems from antiquity solved with analytic geometry
• 8 Is there any geometry where the triangle inequality fails?
• 8 In a subset of $\mathbb{R}^2$ which is not simply connected does there exist a simple loop that does not contract to a point?
• View more network posts →