#15375: Extended Affine Weyl Groups SD40
-------------------------------------+-------------------------------------
Reporter: bump | Owner: bump
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.8
Component: combinatorics | Resolution:
Keywords: days54, coxeter, | Merged in:
days64, days65 | Reviewers: Dan Bump, Anne
Authors: Daniel Bump, Dan | Schilling
Orr, Anne Schilling, Mark | Work issues:
Shimozono, Nicolas Thiery. | Commit:
Report Upstream: N/A | ee155e445baa2c406162df421ad8ad9b10d4292d
Branch: public/15375 | Stopgaps:
Dependencies: #10963, #14102 |
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Comment (by tscrim):
As John had mentioned, you need to change:
{{{#!diff
- \begin{align*}
+ \begin{aligned}
W &\cong M \rtimes W_0 \cong W_0 \ltimes M \\
E &\cong L \rtimes W_0 \cong W_0 \ltimes L
- \end{align*}
+ \begin{aligned}
}}}
and
{{{#!diff
.. MATH::
- \begin{align*}
+ \begin{aligned}
(g_1,h_1)(g_2,h_2) &= g_1 h_1 g_2 h_2 \\
&= g_1 g_2 g_2^{-1} h_1 g_2 h_2 \\
&= (g_1g_2, twist(g_2^{-1}, h_1) h_2)
- \end{align*}
+ \end{aligned}
}}}
Also I believe this needs to be changed (there are 2 of theses):
{{{#!diff
.. MATH::
- g h g^{-1} &= \phi(g)(h).
+ g h g^{-1} = \phi(g)(h).
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/15375#comment:131>
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