On the weak point of the stronger uncertainty relation Krzysztof Urbanowski* [1]

https://www.academia.edu/3064-979X/2/1/10.20935/AcadQuant7557 We analyze the uncertainty relation for the sum of variances, which is called, in some papers, the stronger uncertainty relation for all incompatible observables. We show that this uncertainty relation for the sum of variances of the observables A and B calculated for the eigenstate of one of these observables (say..