Minimal Charts
classification
🧮 math.GT
keywords
chartsminimalcrossingsfundamentalgivetheoremsthreecharacterizing
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In this paper, we give definitions of three kinds of minimal charts, and we investigate properties of minimal charts and establish fundamental theorems characterizing minimal charts. To classify charts with two or three crossings we use the fundamental theorems. In the future paper, we give an numeration of the charts with two crossings.
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Cited by 1 Pith paper
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The linear minimal 4-chart with three crossings
Any linear minimal 4-chart with three crossings is lor-equivalent to the chart of the 2-twist spun trefoil knot.
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