Tenney norm: Difference between revisions

m Cleanup
b1, b2 need not be denoted by the prime counting function; clarify what p is
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<math>\log_2 (nd)</math>
<math>\log_2 (nd)</math>


The Tenney height of a [[monzo]] b = {{monzo| ''b''<sub>π (2)</sub> ''b''<sub>π (3)</sub> … ''b''<sub>π (''p'')</sub> }} is given by
The Tenney height of a [[Harmonic limit|''p''-limit]] [[monzo]] b = {{monzo| ''b''<sub>1</sub> ''b''<sub>2</sub> … ''b''<sub>π (''p'')</sub> }} is given by


<math>\lVert W^{-1}b \rVert_1 \\
<math>\lVert W^{-1} \vec b \rVert_1 \\
= \vert b_{\pi (2)} \vert + \log_2 (3) \vert b_{\pi (3)} \vert + \ldots + \log_2 (p) \vert b_{\pi (p)} \vert \\
= \vert b_1 \vert + \log_2 (3) \vert b_2 \vert + \ldots + \log_2 (p) \vert b_{\pi (p)} \vert \\
= \log_2 (2^{|b_{\pi (2)}|} \cdot 3^{|b_{\pi (2)}|} \cdot \ldots \cdot p^{|b_{\pi (p)}|})</math>
= \log_2 (2^{|b_1|} \cdot 3^{|b_2|} \cdot \ldots \cdot p^{|b_{\pi (p)}|})</math>


where W is the Tenney weighter such that, for the prime basis Q = {{val| 2 3 5 … ''p'' }},  
where W is the Tenney weighter such that, for the prime basis Q = {{val| 2 3 5 … ''p'' }},