The crossing number of composite knots
It is a very old conjecture that the crossing number of knots is additive under connected sum. In other words, if K#K' is the connected sum of knots K and K', then does the equality c(K#K') = c(K) + c(K') hold? We prove that c(K#K') is at most c(K) + c(K') and at least...
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Materyal Türü: | Journal article |
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2008
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_version_ | 1826281074016124928 |
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author | Lackenby, M |
author_facet | Lackenby, M |
author_sort | Lackenby, M |
collection | OXFORD |
description | It is a very old conjecture that the crossing number of knots is additive under connected sum. In other words, if K#K' is the connected sum of knots K and K', then does the equality c(K#K') = c(K) + c(K') hold? We prove that c(K#K') is at most c(K) + c(K') and at least (c(K) + c(K'))/152. |
first_indexed | 2024-03-07T00:23:18Z |
format | Journal article |
id | oxford-uuid:7d4538d5-86a5-476d-afb8-d26125daa336 |
institution | University of Oxford |
last_indexed | 2024-03-07T00:23:18Z |
publishDate | 2008 |
record_format | dspace |
spelling | oxford-uuid:7d4538d5-86a5-476d-afb8-d26125daa3362022-03-26T21:02:34ZThe crossing number of composite knotsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:7d4538d5-86a5-476d-afb8-d26125daa336Symplectic Elements at Oxford2008Lackenby, MIt is a very old conjecture that the crossing number of knots is additive under connected sum. In other words, if K#K' is the connected sum of knots K and K', then does the equality c(K#K') = c(K) + c(K') hold? We prove that c(K#K') is at most c(K) + c(K') and at least (c(K) + c(K'))/152. |
spellingShingle | Lackenby, M The crossing number of composite knots |
title | The crossing number of composite knots |
title_full | The crossing number of composite knots |
title_fullStr | The crossing number of composite knots |
title_full_unstemmed | The crossing number of composite knots |
title_short | The crossing number of composite knots |
title_sort | crossing number of composite knots |
work_keys_str_mv | AT lackenbym thecrossingnumberofcompositeknots AT lackenbym crossingnumberofcompositeknots |