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arxiv: 2503.15852 · v1 · pith:OMJJE7VMnew · submitted 2025-03-20 · 🧮 math.AT

Equivariant v_{1,vec{0}}-self maps

classification 🧮 math.AT
keywords selfmapsequivariantfixedgroupclassicalcofibercolon
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Let $G$ be a cyclic $p$-group or generalized quaternion group, $X\in \pi_0 S_G$ be a virtual $G$-set, and $V$ be a fixed point free complex $G$-representation. Under conditions depending on the sizes of $G$, $X$, and $V$, we construct a self map $v\colon\Sigma^V C(X)_{(p)}\rightarrow C(X)_{(p)}$ on the cofiber of $X$ which induces an equivalence in $G$-equivariant $K$-theory. These are transchromatic $v_{1,\vec{0}}$-self maps, in the sense that they are lifts of classical $v_1$-self maps for which the telescope $C(X)_{(p)}[v^{-1}]$ can have nonzero rational geometric fixed points.

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