Open Questions

Whole Lot of Holes (4 Color Theorem)

Book about holes: “Holes and Other Superficialities" by Roberto Casati and Achille C. Varzi at https://mitpress.mit.edu/9780262531337/holes-and-other-superficialities/ Email us at openquestionspod@gmail.com. Please like and rate us on Apple Podcasts. It helps a lot! This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit openquestionspod.substack.com [https://openquestionspod.substack.com?utm_medium=podcast&utm_campaign=CTA_1]

The Riddle Industrial Complex (Hat Riddles)

Now with 100% more musical transitions! Thanks to Reena for joining us on this one. Send us an email at openquestionspod@gmail.com This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit openquestionspod.substack.com [https://openquestionspod.substack.com?utm_medium=podcast&utm_campaign=CTA_1]

Where's the Square? (Symplectic Geometry)

See here [https://math.stackexchange.com/questions/907176/klein-bottle-as-two-m%C3%B6bius-strips] an explanation and pair of visualizations of the Klein bottle into two Mobius strips transformation. Send us an email at openquestionspod [at] gmail.com! This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit openquestionspod.substack.com [https://openquestionspod.substack.com?utm_medium=podcast&utm_campaign=CTA_1]

An Error-Filled Episode (Error Correction)

Book mentioned: “From error-correcting codes through sphere packing to simple groups” Email us at openquestionspod[at]gmail[dot]com. Thanks for listening! This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit openquestionspod.substack.com [https://openquestionspod.substack.com?utm_medium=podcast&utm_campaign=CTA_1]

Ants on a Potato (Intrinsic vs Extrinsic Geometry)

Email us at openquestionspod@gmail.com! This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit openquestionspod.substack.com [https://openquestionspod.substack.com?utm_medium=podcast&utm_campaign=CTA_1]