The algebraic characterization of the exteriors of certain 2-knots.
The cd-index of Bruhat intervals.
The Homotopoy Type of Four-Dimensional Knot Complements.
The Smale invariant of a knot.
Topology of families of affine plane curves
We determine bifurcation sets of families of affine curves and study the topology of such families.
Total curvature for knotted surfaces.
Toward a general theory of linking invariants.
Transversality Theories at Dimension Four.
Two-knot groups with torsion free abelian normal subgroups of rank two.
Über offene Abbildungen auf die 3-Sphäre.
Unfoldings in Knot Theory.
Unfoldings Knot Theory (Corrigendum).
Wirtinger presentations for higher dimensional manifold knots obtained from diagrams
A Wirtinger presentation of a knot group is obtained from a diagram of the knot. T. Yajima showed that for a 2-knot or a closed oriented surface embedded in the Euclidean 4-space, a Wirtinger presentation of the knot group is obtained from a diagram in an analogous way. J. S. Carter and M. Saito generalized the method to non-orientable surfaces in 4-space by cutting non-orientable sheets of their diagrams by some arcs. We give a modification to their method so that one does not need to find and...
Алгебраические уравнения с непрерывными коэффициентами и некоторые вопросы алгебраической теории кос
Вычисление некоторых групп в теории зацеплений
Вычисление сигнатур и дефектов элементарных зацеплений
Гомотопическая теория для классификации сингулярных зацеплений
Группы классов псевдогомотопных сингулярных зацеплений. I
Классификация стабильных расслоенных узлов
Классификация трехмерных узлов в 2-связных шестимерных многообразиях