Samuel F. B. Morse

Samuel Morse and the Muse

Last year the Metropolitan Museum received a portrait by Samuel F. B. Morse of his daughter Susan, the bequest of Herbert Lee Pratt. This important addition to the collection of American paintings provides an opportunity to review a group of pictures by Morse and other objects associated in one way or another with this most interesting man. Morse the inventor is so firmly embedded in the popula...

نامساوی های زیرجمعی ماتریسی برای (f(a+b و(f(a)+f(b

در سال 1999 اندو وژان یک نامساوی زیر جمعی برای توابع مقعر عملگری بدست آوردند. ما این نامساوی را به همه توابع مقعر توسعه می دهیم: ماتریس های نیمه معین مثبت a وb تابع مقعر غیرمنفی f روی (&,0] را در نظر می گیریم. برایس هر نرم متقرن داریم. ||| (f(a)+f(b) ||| > |||f(a+b)|||

Samuel Dales

Subsequent to the demons t ra t ion tha t the major h i s tocompa t ib i l i t y molecu la r complex (MHC) 1 is a necessary de t e rminan t in i m m u n e specific ki l l ing by cytotoxic lymphocytes (CTL) in virus-infected target cells (1), e luc ida t ion of the p h e n o m e n o n of M H C restr ict ion has been sought th rough several different exper imen ta l approaches. O n the basis of d...

ENDOCYTOSIS Samuel

PERSPECTIVES AND SUMMARY .......................................................................... 670 INTRODUCTION ........................................................................................................ 673 Types ofEndocytosis ............................................................................................ 673 Morphology of Endocytic Vacuoles ........................

Sonia Samuel