5 problems
Let be a family of pseudometric groups, and let be its finite metric ultraproduct.…
Let be a metric ultraproduct. A group has finite exponent, or is uniformly torsion, if there is a common positive integer annihilating every element…
Let be a metric ultraproduct of metric groups. A metric group is metrically uniformly simple if, for every , there is…
A group is sofic when every finitely generated group can be homomorphically embedded into a metric ultraproduct of permutation groups. Let , where…
Conjecture on the characterization. The above characterization is false when