Sigma (disambiguation)

Sigma stands for:

• Sigma , lowercase , uppercase , 18th letter of the Greek alphabet ${\displaystyle \sigma }$ ${\displaystyle \Sigma }$
• Sigma (DJ duo) , British DJ and producer duo
• Sigma Guitars , inexpensive range of Martin Guitars manufactured in Asia
• Sigma Xi , Scientific Association
• Sigma Center , acute clinic for psychiatry, psychotherapy and psychosomatics
• Mitsubishi Sigma , models of a series of cars
• Six Sigma , method of quality management
• SK Sigma Olomouc , Czech football club
• Sigma , part of the human large intestine, see Colon sigmoideum

Companies:

• Sigma (company) , company in the photography industry
• Sigma-Aldrich , manufacturer of chemicals
• Automobiles Sigma , former French automobile manufacturer (1913–1928)

Places:

• Sığma , a small town in the Turkish province of Denizli
• Sigma (Capiz) , township in Capiz Province, Philippines
• Sigma, Alabama , USA
• Sigma (Michigan) , USA
• Sigma (Virginia) , USA

Sigma stands for:

• Société Industrielle Genevoise de Mécanique et d'Automobiles , former Swiss automobile manufacturer (1909-1919)
• Support for Improvement in Governance and Management in Central and Eastern European Countries , joint program of the OECD and the European Union

See also:

• σ-algebra (sigma field)
• σ-ring (quantity system)
• σ-additivity (property of a set function)
• σ-subadditivity (property of a set function)
• σ-continuity (property of a set function)
• Σ-finiteness ( -unity, mathematical theory of measure) ${\displaystyle \sigma }$
• Standard deviation (also with ) ${\displaystyle \sigma }$
• Divisional sum ( ) ${\displaystyle \sigma }$
• Σ-baryon (sigma baryons)
• Surface charge density ( ) ${\displaystyle \sigma }$
• Sigma phase , intermetallic phase
• Σ rule (disambiguation)

This is a disambiguation page for differentiating between several terms identified with the same word.