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The name "butterfly" comes from the shape of the data-flow diagram in the radix-2 case, as described below. [1] The earliest occurrence in print of the term is thought to be in a 1969 MIT technical report. [2] [3] The same structure can also be found in the Viterbi algorithm, used for finding the most likely sequence of hidden states.
The Saint Francis's satyr (Neonympha mitchellii francisci) is an endangered butterfly subspecies found only in the US state of North Carolina.First discovered in 1983, it was first described by David K. Parshall and Thomas W. Kral in 1989 and listed as federally endangered by the US Fish and Wildlife Service in 1994.
Neonympha mitchellii is an endangered species of nymphalid butterfly of the eastern United States. [3] There are two known subspecies: [3] N. m. mitchellii, the nominate subspecies, commonly called Mitchell's satyr or Mitchell's marsh satyr, [5] is found in Michigan and Indiana. [3]
Fort Mitchell Historic Site is a park and an archaeological site in Fort Mitchell, Alabama, that was declared a National Historic Landmark in 1990. [2] The park features a reconstruction of the 1813 stockade fort that was an important United States military post in the Creek War, a museum with exhibits about the fort's history, and a collection of historic carriages, a restored 19th-century ...
In the mathematical field of graph theory, the butterfly graph (also called the bowtie graph and the hourglass graph) is a planar, undirected graph with 5 vertices and 6 edges. [ 1 ] [ 2 ] It can be constructed by joining 2 copies of the cycle graph C 3 with a common vertex and is therefore isomorphic to the friendship graph F 2 .
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Hasse diagram of the Zassenhaus "butterfly" lemma – smaller subgroups are towards the top of the diagram. In mathematics, the butterfly lemma or Zassenhaus lemma, named after Hans Zassenhaus, is a technical result on the lattice of subgroups of a group or the lattice of submodules of a module, or more generally for any modular lattice.
How do I make the butterfly sex position work for me? If you’re reading this and thinking, “Yeah, I don’t think I can get my ankles onto their shoulders,” don’t fret.