On α -Lipschitz retractions of the unit closed ball onto its boundary

Massimo Furi; Mario Martelli

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti (1974)

  • Volume: 57, Issue: 1-2, page 61-65
  • ISSN: 0392-7881

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Furi, Massimo, and Martelli, Mario. "On $\alpha$-Lipschitz retractions of the unit closed ball onto its boundary." Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti 57.1-2 (1974): 61-65. <http://eudml.org/doc/293538>.

@article{Furi1974,
author = {Furi, Massimo, Martelli, Mario},
journal = {Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti},
language = {eng},
month = {7},
number = {1-2},
pages = {61-65},
publisher = {Accademia Nazionale dei Lincei},
title = {On $\alpha$-Lipschitz retractions of the unit closed ball onto its boundary},
url = {http://eudml.org/doc/293538},
volume = {57},
year = {1974},
}

TY - JOUR
AU - Furi, Massimo
AU - Martelli, Mario
TI - On $\alpha$-Lipschitz retractions of the unit closed ball onto its boundary
JO - Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti
DA - 1974/7//
PB - Accademia Nazionale dei Lincei
VL - 57
IS - 1-2
SP - 61
EP - 65
LA - eng
UR - http://eudml.org/doc/293538
ER -

References

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  1. DARBO, G. (1955) - Punti uniti in trasformazioni a codominio non compatto, «Rend. Sem. Mat. Univ. di Padova», 24, 353-367. Zbl0064.35704MR70164
  2. GOEBEL, K. (1973) - On the minimal displacement of points under lipschitzian mappings, «Pac. Jour, of Math.», 45, 151-163. Zbl0265.47046MR328708
  3. FURI, M. and MARTELLI, M. (1970) - A characterization of compact filterbasis in complete metric spaces, «Rend. Ist. Mat. Univ. di Trieste», 2, 109-113. Zbl0205.27005MR284972
  4. FURI, M. and MARTELLI, M. (1974) - On the minimal displacement of points under α -Lipschitz maps in Normed Spaces, «Boll. Un. Mat. Ital.», (4), 9, 791-799. Zbl0304.47050MR370282
  5. FURI, M. and VIGNOLI, A. (1970) - On α -nonexpansive mappings and fixed points, «Atti Acc. Naz. Lincei», 48, 195-198. Zbl0197.11806MR279792
  6. KURATOWSKI, C. (1958) - Topologie, «Monografie Matematiczne», 20, Warzawa. 

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