On the Combinatorics of Demoulin Transforms and (Discrete) Projective Minimal Surfaces
The classical Demoulin transformation is examined in the context of discrete differential geometry. We show that iterative application of the Demoulin transformation to a seed projective minimal surface generates a Z 2 lattice of projective minimal surfaces. Known and novel geometric properties of t...
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| Veröffentlicht in: | Discrete & computational geometry 2017, Vol.57 (1), p.215-230 |
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| container_title | Discrete & computational geometry |
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| creator | McCarthy, Alan Schief, Wolfgang K. |
| description | The classical Demoulin transformation is examined in the context of discrete differential geometry. We show that iterative application of the Demoulin transformation to a seed projective minimal surface generates a
Z
2
lattice of projective minimal surfaces. Known and novel geometric properties of these Demoulin lattices are discussed and used to motivate the notion of lattice Lie quadrics and associated discrete envelopes and the definition of the class of discrete projective minimal and Q-surfaces (PMQ-surfaces). We demonstrate that the even and odd Demoulin sublattices encode a two-parameter family of pairs of discrete PMQ-surfaces with the property that one discrete PMQ-surface constitute an envelope of the lattice Lie quadrics associated with the other. |
| doi_str_mv | 10.1007/s00454-016-9827-x |
| format | Article |
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Z
2
lattice of projective minimal surfaces. Known and novel geometric properties of these Demoulin lattices are discussed and used to motivate the notion of lattice Lie quadrics and associated discrete envelopes and the definition of the class of discrete projective minimal and Q-surfaces (PMQ-surfaces). We demonstrate that the even and odd Demoulin sublattices encode a two-parameter family of pairs of discrete PMQ-surfaces with the property that one discrete PMQ-surface constitute an envelope of the lattice Lie quadrics associated with the other.</description><identifier>ISSN: 0179-5376</identifier><identifier>EISSN: 1432-0444</identifier><identifier>DOI: 10.1007/s00454-016-9827-x</identifier><identifier>CODEN: DCGEER</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Combinatorial analysis ; Combinatorics ; Computational Mathematics and Numerical Analysis ; Envelopes ; Geometry ; Lattice theory ; Lattices ; Mathematics ; Mathematics and Statistics ; Minimal surfaces ; Seeds ; Texts ; Transformations ; Transforms</subject><ispartof>Discrete & computational geometry, 2017, Vol.57 (1), p.215-230</ispartof><rights>Springer Science+Business Media New York 2016</rights><rights>Discrete & Computational Geometry is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-7e7d22a98fb4edc64aef38f3d9a2304cbba70d81e859bcbfbb123bd1a4a005ad3</citedby><cites>FETCH-LOGICAL-c392t-7e7d22a98fb4edc64aef38f3d9a2304cbba70d81e859bcbfbb123bd1a4a005ad3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00454-016-9827-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00454-016-9827-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>McCarthy, Alan</creatorcontrib><creatorcontrib>Schief, Wolfgang K.</creatorcontrib><title>On the Combinatorics of Demoulin Transforms and (Discrete) Projective Minimal Surfaces</title><title>Discrete & computational geometry</title><addtitle>Discrete Comput Geom</addtitle><description>The classical Demoulin transformation is examined in the context of discrete differential geometry. We show that iterative application of the Demoulin transformation to a seed projective minimal surface generates a
Z
2
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Z
2
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| subjects | Combinatorial analysis Combinatorics Computational Mathematics and Numerical Analysis Envelopes Geometry Lattice theory Lattices Mathematics Mathematics and Statistics Minimal surfaces Seeds Texts Transformations Transforms |
| title | On the Combinatorics of Demoulin Transforms and (Discrete) Projective Minimal Surfaces |
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