Bigger
Bigger is a program for computing big mapping classes and their actions on non-compact laminations via ideal triangulation coordinates. It’s like flipper and curver, but can handle infinite-type surfaces by being lazy about the computations it performs.
Bigger officially supports Python 3.7 – 3.9.
Quickstart
Bigger is available on PyPI, so it can be installed via:
$ pip install bigger --user --upgrade
Once installed, try it inside of Python:
>>> import bigger
>>> S = bigger.load.spotted_ladder() # The infinite-genus two-ended surface
# Let's make a finite curve
>>> c = S.triangulation({(0, 5): 1, (0, 6): 1})
>>> c
Lamination (0, 5): 1, (0, 6): 1
# Let's make an infinite lamination
>>> a = S.triangulation(lambda e: 2 if e[1] in {2, 3, 4, 6} else 0)
>>> a
Infinitely supported lamination (0, 0): 0, (0, 1): 0, (0, 2): 2, (0, 3): 2, (0, 4): 2, (0, 5): 0, (0, 6): 2, (0, 7): 0, (0, 8): 0, (-1, 0): 0 ...
# Let's make the picture at the top
>>> b = S('b{n >= 0}.a[2].a.a')(a) # Apply some mapping classes
# The edges that we are interested in
>>> edges = [(i, j) for i in range(-1, 2) for j in range(2, 9)] + [(i, 0) for i in range(2)]
>>> b.draw(edges, layout=S, w=800)
External Links
1 maintainer
Metadata
1 maintainer
Release files for bigger 0.3.1
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| File | Size | Uploaded | Provenance | Actions |
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| bigger-0.3.1.tar.gz | 176.5 kB | Without provenance | Details for bigger-0.3.1.tar.gz |
Release files / bigger-0.3.1.tar.gz
| Download URL | bigger-0.3.1.tar.gz |
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| Size | 176.5 kB |
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