Takeshi Yajima

On simply knotted spheres in R

Takeshi Yajima · Institutional Repositories DataBase (IRDB) · 1964 · 49 citations · Full text

Natural Sciences, Mathematics, Physics +6

On a characterization of knot groups of some spheres in R4

Takeshi Yajima · Institutional Repositories DataBase (IRDB) · 1969 · 30 citations · Full text

Natural Sciences, Mathematics, Geometry +9

On the fundamental groups of knotted $2$-manifolds in the $4$-space

Takeshi Yajima · Project Euclid (Cornell University) · 1962 · 29 citations

Natural Sciences, Mathematics, Topology +8

Wirtinger presentations of knot groups

Takeshi Yajima · Proceedings of the Japan Academy Series A Mathematical Sciences · 1970 · 19 citations · Full text

Natural Sciences, Mathematics, Combinatorics +7

On the graphs of knots

Takeshi Yajima, Shinichi Kinoshita · Institutional Repositories DataBase (IRDB) · 1957 · 17 citations · Full text

Natural Sciences, Mathematics, Combinatorics +8