Indu R. U. Churchill

Singular Knots and Involutive Quandles

M. Elhamdadi, Sam Nelson, Mustafa Hajij, 2016, 1608.08163.

Singquandles, psyquandles, and singular knots: A survey

M. Elhamdadi, Jose Ceniceros, Mustafa Hajij, 2021, Journal of Knot Theory and Its Ramifications.

Singquandle shadows and singular knot invariants

Mohamed Elhamdadi, Jose Ceniceros, Indu R. Churchill, 2021, Canadian Mathematical Bulletin.

Polynomial invariants of singular knots and links

M. Elhamdadi, I. R. Churchill, Jose Ceniceros, 2020, Journal of Knot Theory and Its Ramifications.

Cocycle Invariants and Oriented Singular Knots

Mustafa Hajij, Mohamed Elhamdadi, Jose Ceniceros, 2020, Mediterranean Journal of Mathematics.

Contributions to Quandle Theory: A Study of f-Quandles, Extensions, and Cohomology

Indu R. U. Churchill, 2017 .

The cocycle structure of the Alexander f-quandles on finite fields

M. Elhamdadi, Neranga Fernando, I. R. Churchill, 2016, Journal of Algebra and Its Applications.