Englishfor English speakers
invariance
—
noun
the nature of a quantity or property or function that remains unchanged when a given transformation is applied to it
the invariance of the configuration under translation
—
noun
(= invariability)
the quality of being resistant to variation
under
Preposition
—
In the same place as another thing, but lower.
They ate under the trees.
—
In the control of.
He was under the leader of the organization.
—
In the middle of a process; experiencing.
The idea is under the committee's judgement (judging).
transformation
Noun
—
A transformation is a change in the form or shape, often into something completely different.
She seems to have undergone a total physical transformation - her hair is cut short and she is over 20kg heavier.
We look forward to the transformation of the bedroom into a library and office.
This kind of transformation can only be done by magic.