The features "does live in packs" and "does live in groups" were collapsed to make does live in groups.
The symmetric distance, SymD, determines the number of branches that must be rearranged or collapsed to make two topologies identical.
When a cloud of dust and gas collapses to make a new star, spinning faster and faster as it shrinks, competing forces of gravity, pressure and rotation cause some of its midriff to flatten into a disk, rather as the skirt of a skater flies into a circle as she pulls in her arms for a twirl.
They are speculators who bought in only after the stock price collapsed, hoping to make a quick killing.
But the gas-giant exoplanets that have so far been discovered by direct imaging are hot, hinting that they formed much faster as material collapsed rapidly to make a very hot planet, a so-called "hot-start" scenario.
"There we were on the roof again," said Esther Regelson, who has lived on nearby Washington Street for 23 years, "watching things burning, wondering if this building was going to collapse, trying to make a decision whether it was safe to stay".
"Have certain people taken a chance to buy cheap meat because the price of horsemeat collapsed allowing them to make a financial coup at the expense of the consumer?
"Since the atmosphere of 51 Eri b is also methane rich, it signifies that this planet is well on its way to becoming a cousin of our own familiar Jupiter". But the Jupiter-like exoplanets that have so far been discovered are much hotter than models have predicted, hinting that they could have formed much faster as material collapses quickly to make a very hot planet.
It would, of course, be foolish to allow the American economy to collapse in order to make a point.
