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SUMMARY:Symbolic Tensor Calculus with xAct: efficient tensor computer alge
 bra for the Wolfram Language
DTSTART:20260326T143000Z
DTEND:20260326T160000Z
DTSTAMP:20260616T031501Z
UID:bc928ab0-5146-475f-ac40-a6290436cff2
SEQUENCE:1
CREATED:20260324T100805Z
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 pe
 rturbative expansions. The xAct suite is a powerful collection of packages
  for the Wolfram Language designed to carry out such calculations efficien
 tly using abstract index notation and advanced algorithms for tensor simpl
 ification. In this seminar\, I will introduce the main ideas behind xAct a
 nd demonstrate its capabilities through a live session\, including the def
 inition of manifolds and metrics\, the manipulation of curvature tensors a
 nd covariant derivatives in coordinates\, generic vector bundle computatio
 ns and work with differential forms. I will also briefly survey the broade
 r ecosystem of xAct packages.  
LAST-MODIFIED:20260324T100805Z
LOCATION:DF Seminar Room (2-8.3)\, 2nd floor of Physics Building
URL:http://df.vps.tecnico.ulisboa.pt/en/events/symbolic-tensor-calculus-wi
 th-xact-efficient-tensor-computer-algebra-for-the-wolfram-language/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="dsebs"> Tensorial computat
 ions in General Relativity and field theory are often intricate\, lengthy\
 , and prone to error when performed by hand\, especially in problems invol
 ving curvature tensors\, symmetries\, or perturbative expansions. The xAct
  suite is a powerful collection of packages for the Wolfram Language desig
 ned to carry out such calculations efficiently using abstract index notati
 on and advanced algorithms for tensor simplification. <br/><br/>In this se
 minar\, I will introduce the main ideas behind xAct and demonstrate its ca
 pabilities through a live session\, including the definition of manifolds 
 and metrics\, the manipulation of curvature tensors and covariant derivati
 ves in coordinates\, generic vector bundle computations and work with diff
 erential forms. I will also briefly survey the broader ecosystem of xAct p
 ackages.  </p>
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