Abstract:
We combine several mini miracles to achieve an elementary understanding
of infinite loop spaces and very effective spectra in the algebro-geometric
setting of motivic homotopy theory. Our approach combines $\Gamma$-spaces
and Voevodsky's framed correspondences into the concept of framed motivic
$\Gamma$-spaces; these are continuous or enriched functors of two variables
that take values in framed motivic spaces. We craft proofs of our main
results by imposing further axioms on framed motivic $\Gamma$-spaces
such as a Segal condition for simplicial Nisnevich sheaves, cancellation,
$\mathbb{A}^1$- and $\sigma$-invariance, Nisnevich excision,
Suslin contractibility, and grouplikeness.
This adds to the discussion in the literature on coexisting points
of view on the $\mathbb{A}^1$-homotopy theory of algebraic varieties.
Keywords:framed correspondences, $\Gamma$-spaces, motivic spaces, framed motivic
$\Gamma$-spaces, connective and very effective motivic spectra,
infinite motivic
loop spaces.