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We prove that for a finite collection of sets definable in an o-minimal structure there exists a compatible definable stratification such that for any stratum the fibers of its projection onto satisfy the Whitney property with exponent 1.
Beata Kocel-Cynk. "Definable stratification satisfying the Whitney property with exponent 1." Annales Polonici Mathematici 92.2 (2007): 155-162. <http://eudml.org/doc/280218>.
@article{BeataKocel2007, abstract = {We prove that for a finite collection of sets $A₁,...,A_s ⊂ ℝ^\{k+n\}$ definable in an o-minimal structure there exists a compatible definable stratification such that for any stratum the fibers of its projection onto $ℝ^k$ satisfy the Whitney property with exponent 1.}, author = {Beata Kocel-Cynk}, journal = {Annales Polonici Mathematici}, keywords = {stratifications; definable sets; Whitney property; o-minimal structure}, language = {eng}, number = {2}, pages = {155-162}, title = {Definable stratification satisfying the Whitney property with exponent 1}, url = {http://eudml.org/doc/280218}, volume = {92}, year = {2007}, }
TY - JOUR AU - Beata Kocel-Cynk TI - Definable stratification satisfying the Whitney property with exponent 1 JO - Annales Polonici Mathematici PY - 2007 VL - 92 IS - 2 SP - 155 EP - 162 AB - We prove that for a finite collection of sets $A₁,...,A_s ⊂ ℝ^{k+n}$ definable in an o-minimal structure there exists a compatible definable stratification such that for any stratum the fibers of its projection onto $ℝ^k$ satisfy the Whitney property with exponent 1. LA - eng KW - stratifications; definable sets; Whitney property; o-minimal structure UR - http://eudml.org/doc/280218 ER -