-
crossing itself.
Another form of the Möbius strip,
called the cross-cap or
crosscap, also has a
circular boundary, but
otherwise stays on only one side of...
- In the
mathematical field of knot theory, the
crosscap number of a knot K is the
minimum of C(K)≡1−χ(S),{\displaystyle C(K)\equiv 1-\chi (S),\,} taken...
-
Overhand knot Arf
invariant 1
Braid length 3
Braid no. 2
Bridge no. 2
Crosscap no. 1
Crossing no. 3
Genus 1
Hyperbolic volume 0
Stick no. 6
Tunnel no...
- 74 Arf
invariant 0
Braid length 9
Braid no. 4
Bridge no. 2
Crosscap no. 3
Crossing no. 7
Genus 1
Hyperbolic volume 5.13794
Stick no. 9
Unknotting no. 2...
- In mathematics, the y-homeomorphism, or
crosscap slide, is a
special type of auto-homeomorphism in non-orientable surfaces. It can be
constructed by sliding...
-
Alternating Arf
invariant Bridge no. 2-bridge
Brunnian Chirality Invertible Crosscap no.
Crossing no.
Finite type
invariant Hyperbolic volume Khovanov homology...
-
overhand knot Arf
invariant 1
Braid length 5
Braid no. 2
Bridge no. 2
Crosscap no. 1
Crossing no. 5
Genus 2
Hyperbolic volume 0
Stick no. 8 Unknotting...
- (−2,3,7)
pretzel knot Arf
invariant 0
Crosscap no. 2
Crossing no. 12
Hyperbolic volume 2.828122
Unknotting no. 5
Conway notation [−2,3,7]
Dowker notation...
-
Alternating Arf
invariant Bridge no. 2-bridge
Brunnian Chirality Invertible Crosscap no.
Crossing no.
Finite type
invariant Hyperbolic volume Khovanov homology...
-
Alternating Arf
invariant Bridge no. 2-bridge
Brunnian Chirality Invertible Crosscap no.
Crossing no.
Finite type
invariant Hyperbolic volume Khovanov homology...
