publicações selecionadas Estudo computacional de Cetonas de Cookson e Derivados Quaternionic Klein-Gordon equation Attenuated Gravitational Radiation Spin and angular momentum in quaternionic quantum mechanics Quaternionic fermionic field Square-well potential in quaternionic quantum mechanics Virial theorem and generalized momentum in quaternionic quantum mechanics Quaternionic quantum particles: new solutions Quaternionic quantum harmonic oscillator Winding number and homotopy for quaternionic curves Quaternionic electrodynamics A primer on the differential geometry of quaternionic curves A Novel Covariant Approach to Gravito-Electromagnetism Quaternionic elastic scattering A complementary covariant approach to gravito-electromagnetism Cordas em espaços deformados Quaternionic Dirac free particle Quaternionic scalar field in the real Hilbert space Quaternionic quantum mechanics in real Hilbert space