Vol.4, No 17, 2005 pp. 373-376
UDC 514.763.5(045)=20
Letter to Editor

A NOTE ON TRACELESS METRIC TENSOR
Dragi Radojević
Mathematical Institute SANU, 11 000 Belgrade, Knez Mihailova 35
E-mail: dragir@turing.mi.sanu.ac.yu

Abstract. We present the coordinate transformations which transform the diagonal Minkowski metric tensor in a metric tensor with all zero diagonal components. Some of the obtained coordinate transformations provide the singular metric tensors and we point out those ones which provide the nonsingular metrics.
Key words: the diagonal Minkowski metric tensor, zero diagonal components, coordinate transformation.

METRIČKI TENZOR SA NULTIM ELEMENTIMA
NA DIJAGONALI
Prikazujemo koordinatne transformacije koje metriku Minkovskog prevode u metriku čiji su svi dijagonalni elementi jednaki nuli. Našli smo nekoliko rešenja i istakli smo ona rešenja koja daju nesingularan metrički tenzor.
Ključne reči: dijagonalni metrički tenzor Minkowskog, nulti dijagonalni elementi, transformacije koordinata.