Trace

Trace may refer to:

Mathematics, computing and electronics

• Trace (linear algebra) of a square matrix or a linear transformation
• Trace class, a certain set of operators in a Hilbert space
• Trace operator, a restriction-to-boundary operator in a Sobolev space
• Field trace in field theory
• Traces, the equivalence classes of strings of a trace monoid, studied in trace theories of concurrent computation
• Trace, in computer science a record of the steps a program has executed (such as a stack trace)
• Signal trace, a printed or etched wire on a printed circuit board

Language

• Trace (semiology), the history carried by a sign
• Trace (linguistics), a syntactic placeholder resulting from a transformation
• TRACE (psycholinguistics), a psycholinguistic model of speech perception
• Trace (Deconstruction), in deconstruction, that which is not signified by a sign

Physical sciences

• Trace radioisotope, an element that is found in small quantities because it undergoes radioactive decay
• Trace evidence, material found at a crime scene
• In geochemistry, a trace element is one which composes less than 0.1% of a sample
• TRACE (Transition Region and Coronal Explorer), a NASA satellite
• Trace fossil, fossil record of biological activity

Other

• Trace (album), a 1995 album by alt-country band Son Volt
• Tracy Darrell "Trace" Adkins, an American country music singer
• Tracing (law), to assert a proprietary remedy against a third party asset
• Trace (tack), one of two or more straps, ropes, or chains by which a vehicle is drawn by a harnessed draught animal
• TrAce Online Writing Centre, a community for writers working online
• Trace (novel), a 2004 novel by Patricia Cornwell
• Portgas D. Ace, also known as Trace, a fictional character in the manga One Piece
• Trace, a fictional character in the game Metroid Prime Hunters
• Trace (band), a Dutch progressive rock band
• Trace (artist), a UK drum and bass artist
• Trace (magazine), British hip-hop magazine

Neurosciences and behavior sciences

• Trace (procedure), a type of eyeblink conditioning.

See also

• DTrace
• tracing