Crows: Burning Edge is an action-adventure game based on the Crows manga. The game will take place at the notorious Suzuran All-Boys High School, where Harumichi Boya is a recent transfer student. Harumichi is the kind of person who is devoted to fighting fairly, but it seems the other boys at the school aren’t as gracious. The game don’t only feature the thugs and delinquents from Suzaran High, however. Groups and gangs from Hosen Academy, the Kurotaki Alliance and the Front of Armament will showcase their fighting abilities as well.

arXiv abstract link

**Authors:** Harumichi Nishimura Private simultaneous quantum messages (PSQM) provide a minimal model of noninteractive secure multiparty quantum computation, yet their communication complexity for concrete functions remains poorly understood. We show that familiar total functions already exhibit both genuine quantum advantages and strong structural limitations. For three-party equality on $n$-bit inputs, which determines whether the players' $n$-bit strings are identical, we construct an entanglement-assisted protocol with asymptotic communication $(1.633\ldots)n$ qubits, whereas every perfectly correct protocol without prior entanglement requires at least $3n$ qubits. For three-bit majority, one shared GHZ state and one transmitted qubit per player suffice for perfect correctness and perfect privacy, reducing the communication from the optimal classical cost of six bits to three qubits. Three-bit AND behaves differently. No perfectly correct and perfectly private protocol exists when the players share an arbitrary three-qubit state, apply arbitrary local unitary encodings, and transmit one qubit each. However, increasing the local dimension overcomes this obstruction: one shared three-qutrit GHZ state and one transmitted qutrit per player yield a one-shot protocol with total communication $3\log_2 3$. Together with the six-bit classical lower bound, this gives a strict quantum communication advantage. More generally, for every $k\geq 3$, we construct a perfectly correct and perfectly private one-shot protocol for $k$-bit AND using one qudit of dimension at most $k$ per player, and hence at most $k\log_2 k$ qubits in total.

ALT: Sailor Moon: Sailor Uranus and Neptune Hug

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