Geodesic
THE HOMOTOPY TYPE OF THE SPACE OF GRADIENT VECTOR FIELDS ON THE TWO-DIMENSIONAL DISC
Glasgow mathematical journal, Tome 54 (2012) no. 3, pp. 619-626

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DOI

We prove that the inclusion of the space of gradient vector fields into the space of all vector fields on D2 non-vanishing in S1 is a homotopy equivalence.
DOI : 10.1017/S0017089512000195
Mots-clés : Primary: 55Q05, Secondary: 37B35 
BARTŁOMIEJCZYK, PIOTR; NOWAK-PRZYGODZKI, PIOTR. THE HOMOTOPY TYPE OF THE SPACE OF GRADIENT VECTOR FIELDS ON THE TWO-DIMENSIONAL DISC. Glasgow mathematical journal, Tome 54 (2012) no. 3, pp. 619-626. doi: 10.1017/S0017089512000195
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     title = {THE {HOMOTOPY} {TYPE} {OF} {THE} {SPACE} {OF} {GRADIENT} {VECTOR} {FIELDS} {ON} {THE} {TWO-DIMENSIONAL} {DISC}},
     journal = {Glasgow mathematical journal},
     pages = {619--626},
     year = {2012},
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     doi = {10.1017/S0017089512000195},
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