#### Mathematical English Usage - a Dictionary

##### by Jerzy Trzeciak

## under

Under what conditions can f have a local minimum in A?

Then X is a Banach algebra under convolution multiplication <under
this norm>.

It follows that G is maximal under <for> the usual partial
ordering of B.

Hence F is invariant under φ. [= φ-invariant]

the image of A under f = the f-image of A

The point x maps to ∞ under f.

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