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Showing 2020 · math.ATShow all
3 papers · 2 filters
math.AT2020★ 3 cited
The homotopy classification of four-dimensional toric orbifolds
Xin Fu, Tseleung So, Jongbaek Song
Let be a -dimensional toric orbifold. If has a non-trivial odd primary torsion, then we show that is homotopy equivalent to the wedge of a Moore space and a CW-…
math.AT2020★ 3 cited
Realization of graded monomial ideal rings modulo torsion
Tseleung So, Donald Stanley
Let be the quotient of a graded polynomial ring by an ideal generated by monomials with leading coefficients 1. Then we con…
math.AT2020★ 3 cited
On good morphisms of exact triangles
J. Daniel Christensen, Martin Frankland
In a triangulated category, cofibre fill-ins always exist. Neeman showed that there is always at least one "good" fill-in, i.e., one whose mapping cone is exact. Verdier constructe…