added, to the beginning of the Idea-section, this quote from Ravenel 1992, p. 24:
]]>We use the word ’chromatic’ here for the following reason. The -th subquotients in the chromatic filtration consists of -periodic elements. As illustrated in 2.4.2, these elements fall into periodic families. The chromatic filtration is thus like a spectrum in the astronomical sense in that it resolves the stable homotopy groups of a finite complex into periodic families of various periods. Comparing these to the colors of the rainbow led us to the word ’chromatic’.
Rm self-link chromatic filtration.
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added publication data to the original article:
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added pointers to Heuts 18 and Lurie-Hopkins 18 (on the unstable case)
]]>I added the reference
I gave chromatic homotopy theory an Idea-section.
To be expanded eventually…
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