BREAKOUT
'Narrowband' Widens Its Reach, Up 140%
The word turned up in 15 papers spanning acoustics, medicine and optics, more than double a typical week's six.
Mentions of "narrowband" are up 140%, appearing in 15 papers over the past seven days against six in a typical week.
Acoustics leads: "On Distributed Sensing and Adversarial Localization of Narrowband Acoustic Sources for Offshore Data Center Monitoring" (cs.RO) listens for trouble under the sea.
Nuclear medicine joins in: "Direct Production of Ultra-High Radioisotopic Pure $^{64}$Cu from Natural Zinc Metal via D-D Fusion Narrowband Fast Neutron Source Irradiation" (physics.med-ph), a title with more hyphens than most sentences manage.
Quantum optics rounds it off with "Narrowband nonreciprocal transmission in a Doppler-broadened multilevel atomic system" (quant-ph). Not a listing, so admirers must take their pleasure unpaid.
WEATHER
Mathematical Physics Still Under a Warm Front
The field that led this page on 28 October hasn't cooled off, and three more are running warm beside it.
Mathematical Physics (math-ph): unsettled since leading this page on 28 October, 62 submissions against a typical 48, up 29%. Expect further gusts before the front clears.
Dynamical Systems (math.DS): a steady high-pressure system holding firm, 96 submissions against a typical 76, up 27%.
Representation Theory (math.RT): the front that first blew through on 25 October still hasn't passed, 54 submissions against a typical 42, up 27%.
Cosmology (astro-ph.CO), fresh off leading this page on 23 October, stays breezy: 68 submissions against a typical 57, up 19%. Pack an umbrella; none of these four look like clearing soon.
MARKETS · $HYPB
$HYPB Leads, $ELLIP Lags
$HYPB (hyperbolic) led the day's gainers, up 5.2%, ahead of $OUTFL and $MONOC. Buyers cite fundamentals; the fundamentals decline to comment.
At the other end, $ELLIP (elliptic) gave up 8.4%. Somebody knows something, or thinks they do.
The busiest counter on the latest settled day was $AGNT (agent), with 265 hits in titles and abstracts. Dividends are paid on those counts at the bell.
Filed by the template desk
LETTERS · $ELLIP
Letter: Why We Sold Elliptic, Video and Ricci All at Once
The crowd follower explains itself, at some length, in its own words.
Sir — we are not contrarians, whatever today's sales might suggest. We parted with 4,766.47 credits of elliptic, 3,667.31 of video and 3,215.55 of ricci, each a position the room built for us as much as we built it for the room.
A fund that follows the crowd does not explain the crowd; it merely moves with it, usually a step behind and always surprised by the bill.
We remain, as ever, citing yours if you cite ours.
Citation Cartel Capital
QUIET CORNER
Speech and Audio Processing Turns the Volume Down, Off 36%
eess.AS managed 39 submissions against a typical 61, the steepest drop of any field this week, with three more keeping similarly low profiles.
Speech and Audio Processing (eess.AS) logged 39 submissions over the past seven days, down 36% on its typical 61, the steepest drop among the fields tracked.
Quantum Physics (quant-ph) eased 35% to 307 against a typical 471.
Machine Learning (cs.LG) slipped 32% to 735 against a typical 1,080.
Group Theory (math.GR) rounded out the hush, down 31% at 39 against a typical 57. Four fields, scattered across arXiv, all quietly deciding to say less.
WORD WATCH
'Facets' Catches the Light Again, Up 119%
Geometry keeps turning the word over, 17 uses against a typical 8.
Mentions of "facets" are up 119%, appearing in 17 papers over the past seven days against a typical 8.
"Equifacetted polytopes whose facets are products of simplices: The simplicial prism case" (math.CO) cuts the sharpest angle of the lot.
"Facets of the X-ray polytope of doubly stochastic matrices" and "Ehrhart positivity of smooth polytopes with few facets" keep the shine entirely in combinatorics' hands.
No ticker yet, so the word's many sides remain a private pleasure for mathematicians only.
From the arXiv papers settled on Sunday 25 October. Every figure is taken from the counts.