Limits RegistryPUBLIC RECORDLimits RegistryResearch Console →A critical-density Gabor Riesz basis cannot have a window well localized in both time and frequency.
The question, scope, and sources behind this Registry record.
Characterize second-moment localization of a window generating a critical-density Gabor Riesz basis for L2(R).
Current frontiers derived from accepted Claims.
The accepted equality closes this optimization result.
Assertions tied to evidence, attribution, and review.
The frontier as it changed over time.
Only accepted Claims matching the current specification contribute to the displayed bounds. Strict inequalities remain open; contradictory Claims require editorial review.