anonanon 152k1212 gold badges233233 silver badges398398 bronze badges $endgroup$ 4 $begingroup$ That is best many thanks a bunch! I also posted an analogous dilemma right here: math.stackexchange.com/inquiries/2135276/… that You could have some Perception on? $endgroup$The Levi-Civita image is most often used in three and 4 dimensions, also to so