ra_main https://tube.mathe.social/c/ra_main/videos Wed, 22 Apr 2026 08:42:45 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.mathe.social ra_main https://tube.mathe.social/lazy-static/avatars/835aa916-8528-45ea-9860-90f16ebddaa0.png https://tube.mathe.social/c/ra_main/videos All rights reserved, unless otherwise specified in the terms specified at https://tube.mathe.social/about and potential licenses granted by each content's rightholder. https://tube.mathe.social/feeds/podcast/videos.xml?videoChannelId=4 <![CDATA[The square knot is trivial!]]> https://tube.mathe.social/w/2Sed7uf5XtQ786sNUUmx8A https://tube.mathe.social/w/2Sed7uf5XtQ786sNUUmx8A Fri, 17 Apr 2026 14:22:13 GMT A knotholder trick as introduced in the paper:

All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799

Filmed at the Heidelberg Experimental Geometry Lab HEGL.

]]> ra_main Science & Technology nonadult The square knot is trivial! A knotholder trick as introduced in the paper: All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799 Filmed at the Heidelberg Experimental Geometry Lab [H... <![CDATA[The connected sum of two trefoil knots is trivial!]]> https://tube.mathe.social/w/pguuAPNtkhdVsM7qrETHej https://tube.mathe.social/w/pguuAPNtkhdVsM7qrETHej Fri, 17 Apr 2026 14:21:14 GMT A knotholder trick as introduced in the paper:

All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799

Filmed at the Heidelberg Experimental Geometry Lab HEGL.

]]> ra_main Science & Technology nonadult The connected sum of two trefoil knots is trivial! A knotholder trick as introduced in the paper: All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799 Filmed at the Heidelberg Experimental Geometry Lab [H... <![CDATA[The 6_3 knot is trivial!]]> https://tube.mathe.social/w/a596WfWjY5DdYJYppGfpWo https://tube.mathe.social/w/a596WfWjY5DdYJYppGfpWo Fri, 17 Apr 2026 14:20:17 GMT A knotholder trick as introduced in the paper:

All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799

Filmed at the Heidelberg Experimental Geometry Lab HEGL.

]]> ra_main Science & Technology nonadult The 6_3 knot is trivial! A knotholder trick as introduced in the paper: All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799 Filmed at the Heidelberg Experimental Geometry Lab [H... <![CDATA[The 6_2 knot is trivial!]]> https://tube.mathe.social/w/qZLFeAdAXdweJLyQU8XZMW https://tube.mathe.social/w/qZLFeAdAXdweJLyQU8XZMW Fri, 17 Apr 2026 14:19:12 GMT A knotholder trick as introduced in the paper:

All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799

Filmed at the Heidelberg Experimental Geometry Lab HEGL.

]]> ra_main Science & Technology nonadult The 6_2 knot is trivial! A knotholder trick as introduced in the paper: All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799 Filmed at the Heidelberg Experimental Geometry Lab [H... <![CDATA[The stevedore knot is trivial!]]> https://tube.mathe.social/w/3D3BRrnQtaHCXBtJhmUyKN https://tube.mathe.social/w/3D3BRrnQtaHCXBtJhmUyKN Fri, 17 Apr 2026 14:18:03 GMT A knotholder trick as introduced in the paper:

All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799

Filmed at the Heidelberg Experimental Geometry Lab HEGL.

]]> ra_main Science & Technology nonadult The stevedore knot is trivial! A knotholder trick as introduced in the paper: All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799 Filmed at the Heidelberg Experimental Geometry Lab [H... <![CDATA[The three-twist knot is trivial!]]> https://tube.mathe.social/w/s7UyTAbjN7nLLJut81i1Jk https://tube.mathe.social/w/s7UyTAbjN7nLLJut81i1Jk Fri, 17 Apr 2026 14:14:23 GMT A knotholder trick as introduced in the paper:

All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799

Filmed at the Heidelberg Experimental Geometry Lab HEGL.

]]> ra_main Science & Technology nonadult The three-twist knot is trivial! A knotholder trick as introduced in the paper: All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799 Filmed at the Heidelberg Experimental Geometry Lab [H... <![CDATA[The (5,2)-torus knot is trivial!]]> https://tube.mathe.social/w/8vTjeg8HmSN8ZV4rrvNDec https://tube.mathe.social/w/8vTjeg8HmSN8ZV4rrvNDec Fri, 17 Apr 2026 14:12:54 GMT A knotholder trick as introduced in the paper:

All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799

Filmed at the Heidelberg Experimental Geometry Lab HEGL.

]]> ra_main Science & Technology nonadult The (5,2)-torus knot is trivial! A knotholder trick as introduced in the paper: All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799 Filmed at the Heidelberg Experimental Geometry Lab [H... <![CDATA[The figure-eight knot is trivial!]]> https://tube.mathe.social/w/97ktiDKePGTeDe8mRnWFFZ https://tube.mathe.social/w/97ktiDKePGTeDe8mRnWFFZ Fri, 17 Apr 2026 14:10:55 GMT A knotholder trick as introduced in the paper:

All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799

Filmed at the Heidelberg Experimental Geometry Lab HEGL.

]]> ra_main Science & Technology nonadult The figure-eight knot is trivial! A knotholder trick as introduced in the paper: All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799 Filmed at the Heidelberg Experimental Geometry Lab [H... <![CDATA[The trefoil is trivial!]]> https://tube.mathe.social/w/nLUs6cFv8QgBm4qRa56jLk https://tube.mathe.social/w/nLUs6cFv8QgBm4qRa56jLk Fri, 17 Apr 2026 14:08:03 GMT A knotholder trick as introduced in the paper:

All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799

Filmed at the Heidelberg Experimental Geometry Lab HEGL.

]]> ra_main Science & Technology nonadult The trefoil is trivial! A knotholder trick as introduced in the paper: All knots are trivial: a "proof" by sleight of hand, by Raphael Appenzeller and José Pedro Quintanilha, https://arxiv.org/abs/2604.13799 Filmed at the Heidelberg Experimental Geometry Lab [H...