Abstract: In this paper, we present a novel convolution theorem which encompasses the well known convolution theorem in (graph) signal processing as well as the one related to time-varying filters.

MicroCloud Hologram’s approach uses a logarithmic encoding method to reduce the number of qubits needed, representing an N-dimensional feature space using just log (N) qubits. The system forms an ...

MicroCloud Hologram Inc. (NASDAQ: HOLO), ("HOLO" or the "Company"), a technology service provider, released learnable quantum spectral filter technology for hybrid graph neural networks. This ...

The encryption protecting communications against criminal and nation-state snooping is under threat. As private industry and governments get closer to building useful quantum computers, the algorithms ...

Crypto signals are alerts that prompt you to buy or sell cryptocurrency or try a new strategy. Signals can be based on technical or fundamental analysis done by a human analyst or artificial ...

Signal has updated its Windows app to protect users' privacy by blocking Microsoft's AI-powered Recall feature from taking screenshots of their conversations. This new privacy feature, dubbed "screen ...

A messaging service used by former National Security Advisor Mike Waltz has temporarily shut down while the company investigates an apparent hack. The messaging app is used to access and archive ...

Signal and WhatsApp are both end-to-end encrypted messaging apps, but they differ in ownership and data collection practices. WhatsApp, owned by Meta, collects metadata on users, while Signal, a ...

SignalGate, as it's come to be called, may be the biggest scandal to hit the Trump administration in its first months in power. But it's been great for Signal. Since the news broke on Monday that ...

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be used for—and what it shouldn’t. MIT Technology Review Explains: Let our ...