Minkowski-Metrik: Difference between revisions
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== Pseudometrischer Raum == | == Pseudometrischer Raum == | ||
Abbildung | Abbildung | ||
<math>g:X\times X\to \mathbb{R}</math> | <math>g:X\times X\to \mathbb{R}</math> | ||
# <math>g\left( x,x \right)=0</math> | # <math>g\left( x,x \right)=0</math> | ||
# Symmetrie: (<math>g\left( x,y \right)=g\left( y,x \right)</math>) | # Symmetrie: (<math>g\left( x,y \right)=g\left( y,x \right)</math>) | ||
# Dreiecksungleichung: (<math>g\left( x,z \right)\le g\left( x,y \right)+g\left( y,z \right)</math>) | # Dreiecksungleichung: (<math>g\left( x,z \right)\le g\left( x,y \right)+g\left( y,z \right)</math>) | ||
pseudo: Positive Definitheit nicht gefordert. | |||
== Metrischer Tensor == | == Metrischer Tensor == | ||