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L\mathcal L

Why this formula appears here

Call a frame loop L\mathcal L any sequence of symmetry operations — translations, boosts, elapsed proper time — whose net classical effect, read off the group’s own parameters, is the identity. Two such loops carry this paper.

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LL

Symbol L

L is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

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Published contexts (1)

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L\mathcal L

Equation 2 · Evolutionary Physics

The Clock That Comes Back Wrong by Exactly Its Mass

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.

Call a frame loop L\mathcal L any sequence of symmetry operations — translations, boosts, elapsed proper time — whose net classical effect, read off the group’s own parameters, is the identity. Two such loops carry this paper.

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