knots;
quandles;
fundamental groups;
handles;
knot colorings;
symmetry;
surfaces;
Klein bottle;
projective plane;
INVARIANT;
D O I:
10.3390/sym4010225
中图分类号:
O [数理科学和化学];
P [天文学、地球科学];
Q [生物科学];
N [自然科学总论];
学科分类号:
07 ;
0710 ;
09 ;
摘要:
This paper is a very brief introduction to knot theory. It describes knot coloring by quandles, the fundamental group of a knot complement, and handle-decompositions of knot complements.