activity
20182022
most citedSpatial Search on Johnson Graphs by Continuous-Time Quantum Walk

20 citations · 49 across the 7 of their papers we have counts for

collaborators

7 papers

math-ph2022

Toward fixed point and pulsation quantum search on graphs driven by quantum walks with in- and out-flows: a trial to the complete graph

Yusuke Higuchi, Mohamed Sabri, Etsuo Segawa

We treat a quantum walk model with in- and out- flows at every time step from the outside. We show that this quantum walk can find the marked vertex of the complete graph with a hi…

quant-ph2022★ 4 cited

Multimarked Spatial Search by Continuous-Time Quantum Walk

Pedro H. G. Lugão, Renato Portugal, Mohamed Sabri +1

The quantum-walk-based spatial search problem aims to find a marked vertex using a quantum walk on a graph with marked vertices. We describe a framework for determining the computa…

math-ph2022★ 1 cited

A comfortable graph structure for Grover walk

Yusuke Higuchi, Mohamed Sabri, Etsuo Segawa

We consider a Grover walk model on a finite internal graph, which is connected with a finite number of semi-infinite length paths and receives the alternative inflows along these p…

quant-ph2021★ 9 cited

Spatial Search on Johnson Graphs by Discrete-Time Quantum Walk

Hajime Tanaka, Mohamed Sabri, Renato Portugal

The spatial search problem aims to find a marked vertex of a finite graph using a dynamic with two constraints: (1) The walker has no compass and (2) the walker can check whether a…

math.CO2021★ 20 cited

Spatial Search on Johnson Graphs by Continuous-Time Quantum Walk

Hajime Tanaka, Mohamed Sabri, Renato Portugal

Spatial search on graphs is one of the most important algorithmic applications of quantum walks. To show that a quantum-walk-based search is more efficient than a random-walk-based…

quant-ph2020★ 11 cited

Electric circuit induced by quantum walk

Yusuke Higuchi, Mohamed Sabri, Etsuo Segawa

We consider the Szegedy walk on graphs adding infinite length tails to a finite internal graph. We assume that on these tails, the dynamics is given by the free quantum walk. We se…

quant-ph2018★ 4 cited

Conditional limit measure of one-dimensional quantum walk with absorbing sink

Mohamed Sabri, Etsuo Segawa, Martin Stefanak

We consider a two-state quantum walk on a line where after the first step an absorbing sink is placed at the origin. The probability of finding the walker at position , conditio…