We apply Hermitean circulant $(2 \times 2)$ matrix function theoretic results for direct account of the jump and Dirichlet type boundary value problems for solutions of perturbed Hermitean matrix Dirac equations in the case where the boundary of the considered domains is fractal.
"On boundary value problems for perturbed Hermitean matrix Dirac equations in a fractal domain." Bull. Belg. Math. Soc. Simon Stevin 21 (4) 733 - 746, october 2014. https://doi.org/10.36045/bbms/1414091011