#5061: Steenrod algebras report additive order of 0 is p
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Reporter: boothby | Owner: tbd
Type: defect | Status: new
Priority: major | Milestone:
Component: algebra | Keywords:
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This is wrong:
{{{
sage: S2 = SteenrodAlgebra(2)
sage: z = S2(0)
sage: z.additive_order()
2
}}}
looking at the code, it's easy to see why this happens...
{{{
def additive_order(self):
"""
The additive order of any element of the mod p Steenrod algebra is
p.
OUTPUT:
order -- positive prime number
EXAMPLES:
sage: z = Sq(4) + Sq(6) + Sq(0)
sage: z.additive_order()
2
"""
return self._prime
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5061>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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