The phrase "a collapsed set" is correct and usable in written English.
It can be used in contexts such as mathematics, computer science, or discussions about data structures where a set has lost its defined structure or elements.
Example: "In the analysis, we encountered a collapsed set that no longer met the criteria for our study."
Alternatives: "a diminished set" or "a reduced set".
At other times, they appear as they do in Gmail — as a collapsed set of file-folder tabs.
The UCSC reference transcriptome included 28,808 non-ribosomal, non-mitochondrial annotated transcripts, each representing a collapsed set of transcript annotations.
To obtain a collapsed set of differentially expressed genes/exons, we required each gene/exon to obtain a p value < 0.01 in at least one of the knockdowns and at least p value < 0.05 in the second knockdown.
Makovecz returned to Budapest in the 1980s, after the communism system collapsed, set up his own studio, Makona, and became something of a national hero.
A year later, Lehman Brothers collapsed, setting off the global financial crisis and a precipitous decline in the demand for legal services.
It is not clear whether any civilians were still alive in the mall when the parking deck later collapsed, setting off an avalanche of bricks.
But there is fear that if the Greeks were to withdraw from the euro zone, other weak members might do the same and cause the entire system to collapse, setting off an economic crisis that would extend far beyond Europe.
For example (omitting singleton clusters), if then {3, 4} is the only non-singleton maximal ST-set and The set of taxa of a (collapsed) cluster set 𝒞 is denoted 𝒳.
Ordinary medical care was collapsing, setting back years of recovery from war and unrest in West Africa.
And its most memorable stage incarnation, Stephen Daldry's 1992 National Theatre production with the amazing collapsing set, embarks on a UK tour next week.
Earlier, officials had raised the possibility that a bridge collapse set off the explosion.
