Recent work, motivated by anonymous messaging platforms, has introduced adaptive diffusion protocols which can obfuscate the source of a rumor: “snapshot adversary” with access to subgraph “infected” nodes do no better than randomly guessing entity node. What happens if adversary multiple independent snapshots? We study this question when underlying graph is infinite d-regular tree. show that (...

The demographic of circumstellar disks, the birthplaces planets, is diverse and rich in disks featuring rings, gaps, spirals, filaments, arcs. Many studies revealing these disk structures have focused on objects around single stars isolation. scenario more complex if binarity or multiplicity involved; most are part multiple systems crowded star-forming regions. How does presence one stellar com...