September 2011
Oxford University, Oxford, UK
Limit Theorems for quantum walks associated with Hadamard matrices
November 2011
Seoul National University, Seoul, Korea
Brun-Type Formalism for Decoherence in Two Dimensional Quantum Walks
August 2012 (Declined)
Soochow University, Suzhou, China
12th Asian Quantum Information Science Conference
Von Neumann Entanglement in 2D Quantum Walks with Time Dependence
December 2012
Institute of Physics, London, UK
A Novel Scheme for Computing the Tensor Product of Matrices
August 2013 (Declined)
Fields Institute, Toronto, Canada
Decoherence Matrix of the Gudder-Sorkin Type for Quantum Walks on the Square Lattice and the Konno-Segawa Conjecture