'Checks for the absolute convergence of an infinite series.
Same as checking convergence of absolute value of sequence_term of
an infinite series.
References
.. [1] https://en.wikipedia.org/wiki/Absolute_convergence
Examples
>>> from sympy import Sum, Symbol, sin, oo
>>> n = Symbol(\'n\', integer=True)
>>> Sum((-1)**n, (n, 1, oo)).is_absolutely_convergent()
False
>>> Sum((-1)**n/n**2, (n, 1, oo)).is_absolutely_convergent()
True
See Also
Sum.is_convergent()'

def is_absolutely_convergent(self):

    return Sum(abs(self.function), self.limits).is_convergent()
