We define a companion diagnostics (CDx) test as any diagnostic tool that guides the selection of patient treatment. In the US, these tests include diagnostics cleared by the Food and Drug Administration (FDA), as well as laboratory-developed tests (LDTs) run in CLIA-accredited laboratories. The answer to the title’s question is obviously in the affirmative. We discuss the growing need to improv...

Which friend do you want to spend time with—a happy friend who performs better than you or an unhappy friend who performs worse than you? The present research demonstrates that in such conflicting situations, when the desires for companionship and comparison are pitted against each other, one’s level of happiness plays an important role in one’s choice. Using hypothetical scenarios, we found th...

We say that two elliptic curves E1, E2 over a number field K are n-Selmer companions for a positive integer n if for every quadratic character χ of K, there is an isomorphism Seln(E χ 1 /K) ∼= Seln(E 2 /K) between the nSelmer groups of the quadratic twists E 1 , E χ 2 . We give sufficient conditions for two elliptic curves to be n-Selmer companions, and give a number of examples of non-isogenou...

The paper introduces a Mobile Companion prototype, which helps users to plan and keep track of their exercise activities via an interface based mainly on speech input and output. The Mobile Companion runs on a PDA and is based on a stand-alone, speaker-independent solution, making it fairly unique among mobile spoken dialogue systems, where the common solution is to run the ASR on a separate se...

Aims. In our ongoing search for close and faint companions around T Tauri stars in the Chamaeleon star-forming region, we here present observations of a new common proper motion companion to the young T-Tauri star and Chamaeleon member CT Cha and discuss its properties in comparison to other young, low-mass objects and to synthetic model spectra from different origins. Methods. Common proper mo...

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In “Handbook of Zoonoses: Identifi cation and Prevention,” authors Joann Colville and David L. Berryhill laud their book as an ideal reference for veterinarians, veterinary technicians, and professional students, and as a general resource for healthcare professionals to help them understand and manage zoonotic diseases. Information on common, and currently topical, zoonoses are included; the bo...

We present a system that we call ‘The Piano Music Companion’ and that is able to follow and understand (at least to some extent) a live piano performance. Within a few seconds this system can identify the piece that is being played, and the position within the piece. It then tracks the progress of the performer over time via a robust score following algorithm. The companion is useful in multipl...

The classes of clean and nil-clean rings are closed with respect standard constructions as direct products and (triangular) matrix rings, cf. [12] resp. [4], while the classes of weakly (nil-)clean rings are not closed under these constructions. Moreover, while all matrix rings over fields are clean, [12] when we consider nil-clean rings there are strongly restrictions: if a matrix ring over a ...