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Sharp periodic Ge concentration modulations beyond the conduction band valley wavevector $k_0$ in nuclear spin-free Si quantum wells
new Abstract: Periodic Ge modulations within strained Si quantum wells in SiGe heterostructures offer a route to deterministically enhance conduction-band valley splitting in Si, a key requirement for scalable spin-qubit quantum computing. Efficient enhancement requires modulations in the order of the Si valley wavevector $k_0$ (9.7 nm$^{-1}$), corresponding to a period of 0.64 nm and near-monolayer growth control. Using nuclear-spin-free molecular beam epitaxy with $^{28}$Si and $^{72}$Ge,...
GE Sees Potential For More China Deals After Trump-Xi Meeting
GE Aerospace remains optimistic that it can secure more aircraft-engine orders from China after President Donald Trump and his Chinese counterpart Xi Jinping met in Beijing last month and manufacturing partner Boeing Co. came home an initial batch of commitments.
D - Two-GE-0527 Fund I, a series of Platform Funds 2026, LP (0002138923) (Filer)
Filed: 2026-06-05 AccNo: 0002138923-26-000001 Size: 7 KB Item 3C: Investment Company Act Section 3(c) Item 3C.1: Section 3(c)(1)
Token-sliding realizability for complements, Cartesian-products, and grid graph families
Announce Type: cross Abstract: For an integer $k\ge 0$ and a graph $G$, the \emph{token-sliding reconfiguration graph $\mathsf{TS}_k(G)$} has the independent $k$-sets of $G$ as vertices. Two vertices are adjacent if one token can slide along an edge of $G$ and the resulting $k$-set is still independent. We study the following realizability problem: for fixed $k\ge 2$, which graphs are isomorphic to $\mathsf{TS}_k(G)$ for some graph $G$?
Filamentary Transport and Thermoelectric Effects in Mushroom Phase Change Memory Cells
arXiv:2606.10262v1 Announce Type: new Abstract: We performed a 2D finite-element electrothermal computational study of thermoelectric effects and filamentary electronic transport in Ge$_2$Sb$_2$Te$_5$ mushroom phase change memory cells during Reset and Set operations, accounting for spatial activation energy variations in amorphous Ge$_2$Sb$_2$Te$_5$ and phase-change dynamics. Reset operations with current going from the top electrode to the narrow 4 nm bottom electrode require $\sim$3x less...
Strategyproof Mechanisms for Euclidean Facility Location Problems under $L_p$-norm Social Cost
arXiv:2606.08621v1 Announce Type: new Abstract: We study strategyproof mechanisms for eliciting agents' location preferences truthfully in the Euclidean plane $\mathbb R^2$ and locating a facility so as to minimize the $L_p$-norm social cost, defined as the $L_p$-norm of the vector of distances from the facility to the agents' preferred locations, for any $p \ge 1$. While the cases $p=1$ and $p=\infty$ have been well-studied, open questions remain about the optimal approximation ratios...
Non-Vacuous Certification of Transport MCMC via Oscillation-Controlled Normalizing Flows
arXiv:2606.01078v1 Announce Type: new Abstract: Transport MCMC trains a normalizing flow to precondition Metropolis--Hastings proposals, achieving high empirical efficiency on challenging posteriors; yet no prior work produces a numerically non-vacuous, rigorous spectral-gap bound for such samplers. We establish the first such bounds. For independence MH on the banana family we certify (\gamma^\ast = 0.828) at (D = 2) (covering in the original space) and (\gamma^\ast \ge 7.6\times 10^{-4})...
Vietnam detains Australian man who trashed Da Nang cafe in late-night rampage
Vietnam detains Australian man who trashed Da Nang cafe in late-night rampage He destroyed bar equipment and furniture, and customers’ belongings, including laptops and mobile phones An Australian man has been detained in Vietnam’s coastal city of Da Nang after allegedly going on a shirtless late-night rampage through a cafe, causing extensive damage and forcing frightened customers to flee. The incident unfolded at Ge Cafe on Le Hong Phong Street in central Da Nang shortly before midnight...