plural of Siegert

A surname.

plural of Siegal

(economics) The phenomenon that uncertainty about future prices can theoretically push rational consumers to temporarily trade away their preferred consumption goods (or currency) for non-preferred goods (or currency), as part of a plan to trade back to the preferred consumption goods after prices become clearer.

(mathematics) A particular refinement of the prime number theorem and of Dirichlet's theorem on primes in arithmetic progressions.

The science of besieging; warcraft of sieges.

(mineralogy) An isometric-hexoctahedral mineral containing cobalt, nickel, and sulfur.

(mathematics) A type of potential counterexample to the generalized Riemann hypothesis, on the zeros of Dirichlet L-function.

plural of sieger

A besieger.