versality en · NOUN
Etymology
From versal + -ity.
Meanings
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(uncountable) The condition of being versal
We consider families of curve-to-curve maps that have no singularities except those of genus 0 stable maps and that satisfy a versality condition at each singularity.
2015, Maxim Kazarian, Sergey Lando, Dimitri Zvonkine, “Universal cohomological expressions for singularities in families of genus 0 stable maps”, in arXiv: