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Author, Editor

Author(s):

Kettner, Lutz
Mehlhorn, Kurt
Pion, Sylvain
Schirra, Stefan
Yap, Chee

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Not MPG Author(s):

Pion, Sylvain
Schirra, Stefan
Yap, Chee

Editor(s):

Albers, Susanne
Radzik, Tomasz

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Not MPII Editor(s):

Albers, Susanne
Radzik, Tomasz

BibTeX cite key*:

Kettner2004Classroom

Title, Booktitle

Title*:

Classroom Examples of Robustness Problems in Geometric Computations

Booktitle*:

ESA 2004: 12th Annual European Symposium on Algorithms

Event, URLs

URL of the conference:


URL for downloading the paper:

http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3221&spage=702

Event Address*:

Bergen, Norway

Language:

English

Event Date*
(no longer used):


Organization:


Event Start Date:

14 September 2004

Event End Date:

17 September 2004

Publisher

Name*:

Springer

URL:

http://springeronline.com

Address*:

Berlin, Germany

Type:


Vol, No, Year, pp.

Series:

Lecture Notes in Computer Science

Volume:

3221

Number:


Month:

September

Pages:

702-713

Year*:

2004

VG Wort Pages:

17

ISBN/ISSN:

3-540-23025-4

Sequence Number:


DOI:




Note, Abstract, ©


(LaTeX) Abstract:

The algorithms of computational geometry are designed for a
machine model with exact real arithmetic. Substituting floating point
arithmetic for the assumed real arithmetic may cause implementations to
fail. Although this is well known, there is no comprehensive documentation of
what can go wrong and why.
In this extended abstract, we study a simple
incremental algorithm for planar convex hulls and give examples which make
the algorithm fail in all possible ways.
We also show how to construct failure-examples
semi-systematically and discuss the geometry of the floating point
implementation of the orientation predicate. We hope that our work will be
useful for teaching computational geometry. The full
paper is available
at~\url{www.mpi-sb.mpg.de/~mehlhorn/ftp/ClassRoomExamples.ps}. It contains
further examples, more theory, and color pictures. We strongly recommend to read
the
full paper instead of this extended abstract.

URL for the Abstract:

http://www.mpi-sb.mpg.de/~kettner/pub/nonrobust_esa_04_a.html

HyperLinks / References / URLs:

http://dblp.uni-trier.de/db/conf/esa/esa2004.html#KettnerMPSY04
http://www.mpi-sb.mpg.de/~kettner/proj/NonRobust/



Download
Access Level:

Intranet

Correlation

MPG Unit:

Max-Planck-Institut für Informatik



MPG Subunit:

Algorithms and Complexity Group

Appearance:

MPII WWW Server, MPII FTP Server, MPG publications list, university publications list, working group publication list, Fachbeirat, VG Wort



BibTeX Entry:

@INPROCEEDINGS{Kettner2004Classroom,
AUTHOR = {Kettner, Lutz and Mehlhorn, Kurt and Pion, Sylvain and Schirra, Stefan and Yap, Chee},
EDITOR = {Albers, Susanne and Radzik, Tomasz},
TITLE = {Classroom Examples of Robustness Problems in Geometric Computations},
BOOKTITLE = {ESA 2004: 12th Annual European Symposium on Algorithms},
PUBLISHER = {Springer},
YEAR = {2004},
VOLUME = {3221},
PAGES = {702--713},
SERIES = {Lecture Notes in Computer Science},
ADDRESS = {Bergen, Norway},
MONTH = {September},
ISBN = {3-540-23025-4},
}


Entry last modified by Anja Becker, 01/16/2008
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Editor(s)
Lutz Kettner
Created
09/22/2004 11:09:10 AM
Revisions
9.
8.
7.
6.
5.
Editor(s)
Anja Becker
Ulrich Meyer
Ulrich Meyer
Christine Kiesel
Christine Kiesel
Edit Dates
16.01.2008 13:35:50
03/21/2007 03:35:40 PM
03/21/2007 03:32:11 PM
29.09.2006 09:29:05
13.06.2006 12:35:15