Freiman's $(3k-4)$-like results for subset and subsequence sums

Mohan, Jagannath Bhanja, Ram Krishna Pandey

For a nonempty finite set $A$ of integers, let $S(A)=\left\{{\sum }_{b\in B}b:\varnothing \ne B\subseteq A\right\}$ be the set of all nonempty subset sums of $A$. In 1995, Nathan…