TY  - GEN 
AU  - López Ruiz, Francisco Felipe
AU  - Guerrero, Julio
AU  - Aldaya, V.
A4  - Física Aplicada
PY  - 2021
SN  - 2073-8994
UR  - http://hdl.handle.net/10498/25645
AB  - Although describing very different physical systems, both the Klein-Gordon equation for tachyons (m(2) < 0) and the Helmholtz equation share a remarkable property: a unitary and irreducible representation of the corresponding invariance group on a...
LA  - eng
PB  - MDPI
KW  - unitary and irreducible representation
KW  - Poincaré group
KW  - Euclidean group
KW  - non-local scalar product
KW  - tachyonic scalar field
TI  - Invariant Scalar Product and Associated Structures for Tachyonic Klein–Gordon Equation and Helmholtz Equation
DO  - 10.3390/sym13071302
ER  -