— tracelessly, adv. /trays lis/, adj. having or leaving no trace: a traceless crime. [1645 55; TRACE1 + LESS] * * * … Universalium

**traceless** — adjective /ˈtɹeɪsləs,ˈtʃɹeɪsləs/ a) That has no traces b) That cannot be traced; untraceable … Wiktionary

**traceless** — trace·less … English syllables

**traceless** — … Useful english dictionary

**Ricci decomposition** — In semi Riemannian geometry, the Ricci decomposition is a way of breaking up the Riemann curvature tensor of a pseudo Riemannian manifold into pieces with useful individual algebraic properties. This decomposition is of fundamental importance in… … Wikipedia

**Special unitary group** — In mathematics, the special unitary group of degree n , denoted SU( n ), is the group of n times; n unitary matrices with determinant 1. The group operation is that of matrix multiplication. The special unitary group is a subgroup of the unitary… … Wikipedia

**Nordström's theory of gravitation** — In theoretical physics, Nordström s theory of gravitation was a predecessor of general relativity. Strictly speaking, there were actually two distinct theories proposed by the Finnish theoretical physicist Gunnar Nordström, in 1912 and 1913… … Wikipedia

**Congruence (general relativity)** — In general relativity, a congruence (more properly, a congruence of curves) is the set of integral curves of a (nowhere vanishing) vector field in a four dimensional Lorentzian manifold which is interpreted physically as a model of spacetime.… … Wikipedia

**Scalar-vector-tensor decomposition** — In cosmological perturbation theory, the scalar vector tensor decomposition is a decomposition of the most general linearized s of the Friedmann Robertson Walker metric into components according to their transformations under spatial rotations.… … Wikipedia

**Trace (linear algebra)** — In linear algebra, the trace of an n by n square matrix A is defined to be the sum of the elements on the main diagonal (the diagonal from the upper left to the lower right) of A, i.e., where aii represents the entry on the ith row and ith column … Wikipedia