“…Beyond Hamiltonian decompositions, Stout [11], Horak, Siran, and Wallis [7], Mollard and Ramras [9], and Wagner and Wild [13] showed that Q n can be decomposed into certain trees. Anick and Ramras [2], and independently Erde [5] proved that if n is odd, then Q n can be decomposed into any path whose length divides the number of edges in Q n and is at most n. Fink [6], Horak, Siran, and Wallis [7], Mollard and Ramras [9], Tapadia, Waphare, and Borse [12], and Axenovich, Offner, and Tompkins [4] proved that when n is even, Q n can be decomposed into cycles of certain lengths, among other results, but a complete characterization of the graphs that can decompose Q n remains an open question, even for paths, trees, and cycles.…”