Anchovyforestbane Posted September 11, 2020 Report Posted September 11, 2020 (edited) Is there a specific name for this 3D shape, which appears to be an elliptical torus twisted into a sort of spiral?Additionally, how would one go about graphing a structure like this? Edited September 11, 2020 by Anchovyforestbane Quote
Dubbelosix Posted September 13, 2020 Report Posted September 13, 2020 (edited) That's a Torus in four dimensions, i think. Edited September 13, 2020 by Dubbelosix Quote
Turtle Posted September 13, 2020 Report Posted September 13, 2020 That s a Torus in four dimensions, i think.If so, then I think it's a Klein bottle. :Lightbulb Quote
Anchovyforestbane Posted September 13, 2020 Author Report Posted September 13, 2020 That's a Torus in four dimensions, i think.No, I'm pretty sure it's not. Here's a little more information on the 4D equivalent of a torus.https://dr-mikes-maths.com/4d-torus.html If so, then I think it's a Klein bottle. :lightbulbThe shape displayed above is most certainly not a Klein bottle, although it likely could be given the correct translation function.Example of a Klein bottle ^^^ Quote
Turtle Posted September 13, 2020 Report Posted September 13, 2020 http://virtualmathmuseum.org/Surface/klein_bottle/klein_bottle.html Quote
Turtle Posted September 13, 2020 Report Posted September 13, 2020 http://virtualmathmuseum.org/Surface/klein_bottle/klein_bottle.htmlThere exist several forms of Klein bottles as explained at link. Whether the torus in OP IS a Klein bottle or not, it looks like one variation as below from the link. Quote
Anchovyforestbane Posted September 14, 2020 Author Report Posted September 14, 2020 (edited) There exist several forms of Klein bottles as explained at link. Whether the torus in OP IS a Klein bottle or not, it looks like one variation as below from the link.Very, very interesting... I wouldn't be eager call this shape a type of Klein bottle, given that, as is detailed in the information you've sent me, the shape is translated from one half of a symmetrical Klein bottle. However, I am incommunicably fascinated by a Klein bottle's ability to become a Mobius strip, and then by extent this strange mystery shape, so I thank you for introducing me to this information.Additionally, it is hard to say this shape is the same, as the OP is completely circular, whereas this one is not quite. But perhaps it is close enough, we shall see. Edited September 14, 2020 by Anchovyforestbane Quote
Turtle Posted September 15, 2020 Report Posted September 15, 2020 I am incommunicably fascinated by a Klein bottle's ability to become a Mobius strip, and then by extent this strange mystery shape, so I thank you for introducing me to this information.You're welcome. :)it is hard to say this shape is the same, as the OP is completely circular, whereas this one is not quite. But perhaps it is close enough, we shall see.My first impression when you posted was an inflated Möbius strip. Thanks for an interesting diversion in any regard. Quote
Dubbelosix Posted September 15, 2020 Report Posted September 15, 2020 Its difficult to discern here whether this toroid is expressed in four dimensions, albeit, I did not even think of a Klein bottle. Quote
Dubbelosix Posted September 15, 2020 Report Posted September 15, 2020 The simplest four dimensional analogue looking up now, has a structure similar but not exact https://www.google.com/search?q=torus+in+four+dimensions&client=ms-android-zte&sxsrf=ALeKk02R9ZI67UP4j7NqERRrKCnKZkHmxQ:1600207395653&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiY1ImLlezrAhWLQc0KHfKxC8EQ_AUIBigB&biw=320&bih=399#&biw=320&bih=399 Quote
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