The Dirac Complex on Abstract Vector Variables: Megaforms. - Irene Sabadini; Frank Sommen; Daniele C. Struppa (Exp. Math., 2003)

Clifford algebra-valued orthogonal polynomials in the open unit ball of Euclidean space. - Fred Brackx; Nele De Schepper; Frank Sommen (Int. J. Math. Math. Sci., 2004)

Clifford algebra-valued orthogonal polynomials in Euclidean space. - Fred Brackx; Nele De Schepper; Frank Sommen (J. Approx. Theory, 2005)

The Two-Dimensional Clifford-Fourier Transform. - Fred Brackx; Nele De Schepper; Frank Sommen (J. Math. Imaging Vis., 2006)

Generalized Moisil-Théodoresco Systems and Cauchy Integral Decompositions. - Ricardo Abreu Blaya; Juan Bory Reyes; Richard Delanghe; Frank Sommen (Int. J. Math. Math. Sci., 2008)

A Basic Framework for Discrete Clifford Analysis. - Hennie De Schepper; Frank Sommen; Liesbet Van de Voorde (Exp. Math., 2009)

The Cylindrical Fourier Transform. - Fred Brackx; Nele De Schepper; Frank Sommen (Geometric Algebra Computing, 2010)

Generating functions of orthogonal polynomials in higher dimensions. - Hendrik De Bie; Dixan Peña Peña; Frank Sommen (J. Approx. Theory, 2014)

Riemann-Hilbert problems for null-solutions to iterated generalized Cauchy-Riemann equations in axially symmetric domains. - Fuli He; Min Ku; Uwe Kähler; Frank Sommen; Swanhild Bernstein (Comput. Math. Appl., 2016)

Plane wave formulas for spherical, complex and symplectic harmonics. - Hendrik De Bie; Frank Sommen; M. Wutzig (J. Approx. Theory, 2017)

Inversions for the Hua-Radon and the polarized Hua-Radon transform. - Teppo Mertens; Frank Sommen (Appl. Math. Comput., 2021)