VWOB's price stability is supported by historically low EM credit spreads and positive commodity momentum benefiting emerging market economies. The fund's moderate-to-high risk profile stems from its ...

Abstract: This study investigates the imaging ability of the time-domain linear sampling method (TLSM) when applied to laser ultrasonic (LU) tomography of subsurface defects from limited-aperture ...

Sampling (or sample) bias is a widespread concern in scientific research, across several disciplines. The concept of sampling bias originated in statistical studies. The consequence of a biased sample ...

Abstract: The traction inverters need to operate in asynchronous and square wave modulation, with synchronous modulation suitable for transitioning between them. This article aims to present novel ...