Trace

Trace may refer to:

Mathematics

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

Signal trace, a printed or etched wire on a printed circuit board
Stack trace, report of the active steps of a computer program's execution
Digital traces, the traces of activities and behaviours that people leave when they interact in digital environments
Software trace, a list of a computer program's past execution steps, recorded by the process of tracing
Packet trace, a timestamped sequence of packets captured on a computer network with a sniffer or similar tools

Trace radioisotope, an element that is found in small quantities because it undergoes radioactive decay
Trace evidence, material found at a crime scene
Trace element, in geochemistry, an element 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
Seismic trace, in seismology, record of ground movement from a seismograph.

Trace (album), a 1995 album by alt-country band Son Volt
Trace (novel), by Patricia Cornwell
Trace (band), a Dutch progressive rock band
Trace (artist), a UK drum and bass artist
Trace (magazine), British hip-hop magazine
Trace TV, a french music video television channel
Trace (webtoon) a Korean internet cartoon
Trace, another name for Portgas D. Ace, a fictional character in the manga One Piece
Trace, a fictional character in the game Metroid Prime Hunters