2 problems

The Singer-transfer Lannes–Zarati conjecture. The composition $j_s$ vanishes in every positive degree $t$ for $s\geq 3$. This is presented as a weak version of the graded-associate…

Let $p$ be an odd prime, let $A$ be the mod $p$ Steenrod algebra, and let $\varphi_s$ denote the mod $p$ Lannes–Zarati homomorphism in Adams filtration $s$, with positive stem $t$.…