Trace may refer to:

Arts and entertainment

Music

* ''Trace'' (Son Volt album), 1995 * ''Trace'' (Died Pretty album), 1993 * Trace (band), a Dutch progressive rock band * ''The Trace'' (album)

Other uses in arts and entertainment

* ''Trace'' (magazine), British hip-hop magazine * ''Trace'' (manhwa), a Korean internet cartoon * ''Trace'' (novel), a novel by Patricia Cornwell * ''The Trace'' (film), a 1994 Turkish film * ''The Trace'' (video game), 2015 video game * ''Sama'' (film), alternate title ''The Trace'', a 1988 Tunisian film * Trace, a fictional character in the game '' Metroid Prime Hunters'' * Trace, the protagonist of ''

Axiom Verge ''Axiom Verge'' is a metroidvania video game by American indie developer Thomas Happ. The game was originally released in March 2015 in North America and April 2015 in Europe and Australia for PlayStation 4. It was released in May 2015 for Micro ...

'' * Trace, another name for Portgas D. Ace, a fictional character in the manga ''One Piece'' * TRACE, the main brand for a number of music channels such as

Trace Urban Trace Urban (formerly MCM Africa then Trace TV) is a French pay-TV music video television channel owned by TPG Capital. It is the parent channel of the various Trace music channels. It is the third most distributed French television channel in t ...

Language

Trace (deconstruction) Trace (french: trace) is one of the most important concepts in Derridian deconstruction. In the 1960s, Jacques Derrida used this concept in two of his early books, namely '' Writing and Difference'' and ''Of Grammatology''. Overview In French, t ...

, a concept in Derridian deconstruction * Trace (linguistics), a syntactic placeholder resulting from a transformation *

TRACE (psycholinguistics) TRACE is a connectionist model of speech perception, proposed by James McClelland and Jeffrey Elman in 1986.McClelland, J.L., & Elman, J.L. (1986) It is based on a structure called "the Trace," a dynamic processing structure made up of a network o ...

, a psycholinguistic model of speech perception *

Trace (semiology) The trace in semiotics is a concept developed by Jacques Derrida in Writing and Difference to denote the history that a sign carries with it as the result of its use through time. Words like "black", for example, carry the trace of all their previ ...

, the history carried by a sign * Sign-trace, a detectable amount conceived of by Béatrice Galinon-Mélénec

Mathematics, science, and technology

Computing and electronics

* TRACE, a request method in the

HTTP The Hypertext Transfer Protocol (HTTP) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide We ...

protocol * Traces, the equivalence classes of strings of a

trace monoid In computer science, a trace is a set of strings, wherein certain letters in the string are allowed to commute, but others are not. It generalizes the concept of a string, by not forcing the letters to always be in a fixed order, but allowing certa ...

, studied in trace theories of concurrent computation *

Digital traces Digital footprint or digital shadow refers to one's unique set of traceable digital activities, actions, contributions and communications manifested on the Internet or digital devices. Digital footprints can be classified as either passive or a ...

, the traces of activities and behaviours that people leave when they interact in digital environments * Packet trace, a timestamped sequence of packets captured on a computer network with a sniffer or similar tools *

Signal trace In electronics, a signal trace or circuit trace on a printed circuit board (PCB) or integrated circuit (IC) is the equivalent of a wire for conducting signals. Each trace consists of a flat, narrow part of the copper foil that remains after etching ...

, a printed or etched wire on a printed circuit board * Stack trace, report of the active steps of a computer program's execution * Trace cache, a specialized CPU cache to speed up executable instruction fetch

Mathematics

Trace (linear algebra) In linear algebra, the trace of a square matrix , denoted , is defined to be the sum of elements on the main diagonal (from the upper left to the lower right) of . The trace is only defined for a square matrix (). It can be proved that the trace o ...

, the sum of the elements on the main diagonal of a square matrix or a linear transformation **

Field trace In mathematics, the field trace is a particular function defined with respect to a finite field extension ''L''/''K'', which is a ''K''-linear map from ''L'' onto ''K''. Definition Let ''K'' be a field and ''L'' a finite extension (and hence a ...

, a particular trace in field theory *

Trace class In mathematics, specifically functional analysis, a trace-class operator is a linear operator for which a trace may be defined, such that the trace is a finite number independent of the choice of basis used to compute the trace. This trace of trace ...

, a certain set of operators in a Hilbert space *

Trace operator In mathematics, the trace operator extends the notion of the restriction of a function to the boundary of its domain to "generalized" functions in a Sobolev space. This is particularly important for the study of partial differential equations with ...

, a restriction-to-boundary operator in a Sobolev space

Physical sciences

* TRACE (Transition Region and Coronal Explorer), a NASA satellite *

Trace element __NOTOC__ A trace element, also called minor element, is a chemical element whose concentration (or other measure of amount) is very low (a "trace amount"). They are classified into two groups: essential and non-essential. Essential trace elements ...

, in geochemistry, an element which composes less than 0.1% of a sample *

Trace evidence Trace evidence is created when objects make contact. The material is often transferred by heat or induced by contact friction. The importance of trace evidence in criminal investigations was shown by Dr. Edmond Locard in the early 20th century. ...

, material found at a crime scene *

Trace fossil A trace fossil, also known as an ichnofossil (; from el, ἴχνος ''ikhnos'' "trace, track"), is a fossil record of biological activity but not the preserved remains of the plant or animal itself. Trace fossils contrast with body fossils, ...

, fossil record of biological activity *

Trace radioisotope A trace radioisotope is a radioisotope that occurs naturally in trace amounts (i.e. extremely small). Generally speaking, trace radioisotopes have half-lives that are short in comparison with the age of the Earth, since primordial nuclides tend to ...

, an element that is found in small quantities because it undergoes radioactive decay * Seismic trace, in seismology, record of ground movement from a seismograph * Trace (precipitation), in earth science, an amount of precipitation that falls that is too small to be measured with standard units

Places

* Trace, West Virginia * The Trace (Land Between the Lakes), a scenic roadway in Kentucky and Tennessee * Trace Creek (Castor River), a stream in Missouri * Trace Creek (Cub Creek), a stream in Missouri * Trace Creek (Twelvemile Creek), a stream in Missouri * Trace Lake, a lake in Minnesota

Other uses

* Trace (name), a given name, nickname, and surname * A synonym for

trail A trail, also known as a path or track, is an unpaved lane or small road usually passing through a natural area. In the United Kingdom and the Republic of Ireland, a path or footpath is the preferred term for a pedestrian or hiking trail. ...

, as in Natchez Trace *

Trace (tack) In transport, a trace is one of two, or more, straps, ropes or chains by which a carriage or wagon, or the like, is drawn by a harness horse or other draft animal. The once popular idiom: "kick over the traces" is derived from a frisky or frighten ...

, part of a draft animal's gear *

Track and trace In the distribution and logistics of many types of products, track and trace or tracking and tracing concerns a process of determining the current and past locations (and other information) of a unique item or property. This concept can be s ...

, in goods distribution and logistics * Trace, a type of eyeblink conditioning * An Italian-derived synonym for star fort, in fortification * Trade reporting and compliance engine, in the U.S. financial markets, a reporting system for US bond transactions administered by the FINRA *

The Trace (website) ''The Trace'' is an American non-profit journalism outlet devoted to gun-related news in the United States. It was established in 2015 with seed money from the largest gun control advocacy group Everytown for Gun Safety, which was founded by form ...

, a website covering gun issues in the United States