positive element (Q2627013)
selfadjoint (or Hermitian) element A of a C*algebra A is called positive if its spectrum σ (A) consists of nonnegative real numbers
Language  Label  Description  Also known as 

English 
positive element

selfadjoint (or Hermitian) element A of a C*algebra A is called positive if its spectrum σ (A) consists of nonnegative real numbers

Statements
Identifiers
Sitelinks
Wikipedia(6 entries)
 cswiki Pozitivní operátor
 enwiki Positive element
 eowiki Pozitiva ero
 eswiki Elemento positivo
 ptwiki Operador positivo
 ruwiki Положительный оператор