INTO a hollow sphere of unit radius, with a curva-ture or bend, therefore, 1, put two solid spheres of radius, or bend + 2. The two solid spheres then kiss each other at the exact centre of the bowl, ...

PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

A classic math rule now handles infinity. New work strengthens the math behind physics and unbounded systems. % ...

In his short career, Ettore Majorana made several profound contributions. One of them, his concept of 'Majorana fermions' — particles that are their own antiparticle — is finding ever wider relevance ...

Abstract: This letter proposes a structured CANDECOMP/PARAFAC (CP) decomposition-aided (SCPD) pilot decontamination (PDC) scheme for UAV communication in cell-free massive MIMO systems. We design a ...

Abstract: Change detection plays a very important role in real-time image analysis, e.g., detection of intruders. One key issue is robustness to varying illumination conditions. We propose two ...

There was an error while loading. Please reload this page.

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Selected Solutions to Dummit and Foote's Abstract Algebra Third Edition Description This is an unofficial solution guide to the book Abstract Algebra, third edition, by Dummit and Foote. Please ...

Dec 7, 2025 There are two ways to stick SU(2) × SU(3) in Spin(10). One is good for physics; the other, alas, is easily obtained using the octonions.