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Knot theory
Knot คือเงื่อน ผูกปม ขมไหมเพื่อน อย่าแชเชือน จารเขียน นำเรียนเสนอ knot theory เนื้อเรื่อง อย่างไรเกลอ อย่าลืม,เผลอ ไป่แสวง สืบค้นกัน |
Knot theory is the study of knots in mathematics. In knot theory, the ends of the rope are attached so that there is no possible way for the knot to be untied. A knot is a fixed looping of a piece of string or rope. Knots are often used for binding things together. |
Knot theory, in mathematics, the study of closed curves in three dimensions, and their possible deformations without one part cutting through another. Knots may be regarded as formed by interlacing and looping a piece of string in any fashion and then joining the ends. The first question that arises is whether such a curve is truly knotted or can simply be untangled; that is, whether or not one can deform it in space into a standard unknotted curve like a circle. The second question is whether, more generally, any two given curves represent different knots or are really the same knot in the sense that one can be continuously deformed into the other. https://www.britannica.com/science/knot-theory |
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