Preface Knots and statistical mechanics LOUIS H. KAUFFMAN An introduction to topological field theory R. J. LAWRENCE Vassiliev and quantum invariants of braids DROR BAR NATAN The modern legacies of Thomson's atomic vortex theory in classical electrodynamics SAMUEL J. LOMONACO, JR. Spin networks in nonperturbative quantum gravity JOHN C. BAEZ Index 編輯手記