#resummation
Live, measured metrics for the hashtag #resummation from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #resummation
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-10 04:22 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-10 04:22 UTCNo related tags with measured usage found for #resummation.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-10 04:22 UTCEverything below is measured over the latest 1 public posts.
Posting hours (UTC)
Languages: English (1)
Avg boosts / post: 0
Top of the latest posts
#paperOfTheDay is "Comparison between large-order estimates and perturbation series in a scalar field theory with Gaussian propagator" from 1978. The perturbation series for small coupling in #quantumFieldTheory is usually divergent (becaus
What “resummation” means
WikipediaIn mathematics and theoretical physics, resummation is a procedure to obtain a finite result from a divergent sum (series) of functions. Resummation involves a definition of another (convergent) function in which the individual terms defining the original function are rescaled, and an integral transformation of this new function to obtain the original function. Borel resummation is probably the most well-known example. The simplest method is an extension of a variational approach to higher order
“Resummation” on Wikipedia (CC BY-SA) →#resummation across platforms
every network with a public tag surfaceFollow #resummation straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/resummation