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SUMMARY:Symbolic Tensor Calculus with xAct: efficient tensor computer alge
 bra for the Wolfram Language
DTSTART:20260326T143000Z
DTEND:20260326T160000Z
DTSTAMP:20260607T001951Z
UID:bc928ab0-5146-475f-ac40-a6290436cff2
SEQUENCE:2
CREATED:20260324T100815Z
DESCRIPTION:Tensorial computations in General Relativity and field theory 
 are often intricate\, lengthy\, and prone to error when performed by hand\
 , especially in problems involving curvature tensors\, symmetries\, or per
 turbative expansions. The xAct suite is a powerful collection of packages 
 for the Wolfram Language designed to carry out such calculations efficient
 ly using abstract index notation and advanced algorithms for tensor simpli
 fication. In this seminar\, I will introduce the main ideas behind xAct an
 d demonstrate its capabilities through a live session\, including the defi
 nition of manifolds and metrics\, the manipulation of curvature tensors an
 d covariant derivatives in coordinates\, generic vector bundle computation
 s and work with differential forms. I will also briefly survey the broader
  ecosystem of xAct packages.
LAST-MODIFIED:20260324T100828Z
LOCATION:DF Seminar Room (2-8.3)\, 2nd floor of Physics Building
URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/symbolic-tensor-calculus-w
 ith-xact-efficient-tensor-computer-algebra-for-the-wolfram-language/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="dsebs">Tensorial computati
 ons in General Relativity and field theory are often intricate\, lengthy\,
  and prone to error when performed by hand\, especially in problems involv
 ing curvature tensors\, symmetries\, or perturbative expansions. The xAct 
 suite is a powerful collection of packages for the Wolfram Language design
 ed to carry out such calculations efficiently using abstract index notatio
 n and advanced algorithms for tensor simplification.<br/><br/> In this sem
 inar\, I will introduce the main ideas behind xAct and demonstrate its cap
 abilities through a live session\, including the definition of manifolds a
 nd metrics\, the manipulation of curvature tensors and covariant derivativ
 es in coordinates\, generic vector bundle computations and work with diffe
 rential forms. I will also briefly survey the broader ecosystem of xAct pa
 ckages.</p>
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