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math-ph2022★ 2 cited
Winding number and homotopy for quaternionic curves
Sergio Giardino
Following a recent approach to quaternionic curves, we defined the quaternionic polar angle that enabled us to define global properties of quaternionic curves, namely the winding n…
math-ph2015★ 6 cited
Quaternioninc Dirac Scattering
Stefano De Leo, Gisele Ducati, Sergio Giardino
The scattering of a Dirac particle has been studied for a quaternionic potential step. In the potential region an additional diffusion solution is obtained. The quaternionic soluti…