This cluster of papers explores advances in quaternionic analysis, geometric algebra, slice regular functions, dark matter, spinor fields, functional calculus, Clifford analysis, octonions, Dirac operators, and hypercomplex numbers.
Quaternionic Analysis; Geometric Algebra; Slice Regular Functions; Dark Matter; Spinor Fields; Functional Calculus; Clifford Analysis; Octonions; Dirac Operators; Hypercomplex Numbers