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The $10$th letter of the Greek alphabet.

Minuscule: $\kappa$
Majuscule: $\Kappa$

The $\LaTeX$ code for \(\kappa\) is \kappa .

The $\LaTeX$ code for \(\Kappa\) is \Kappa .



Used in abstract algebra and other related fields to denote the general kernel of a homomorphism.



Let $C$ be a curve defined by a real function which is twice differentiable.

The curvature of a $C$ is the reciprocal of the radius of the osculating circle to $C$ and is often denoted $\kappa$ (Greek kappa).

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