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<DIV><FONT face=Arial size=2>Les recordamos el Coloquio de hoy jueves, a las 14
hs</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2> COLOQUIOS DEL DEPARTAMENTO DE
FÍSICA<BR>
FCEyN - UBA </DIV>
<DIV> </DIV>
<DIV><FONT face=Arial
size=2>
Charla, café y
masitas<BR>
En el Aula Pedro Federman, 1er piso Pabellón
I.<BR>
Ciudad Universitaria</FONT></DIV>
<DIV> </DIV><FONT face=Arial size=2>
<DIV><BR> Hoy
Jueves 4 de mayo a las 14 hs </DIV>
<DIV><BR>
"<SPAN
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: ES; mso-fareast-language: ES; mso-bidi-language: AR-SA"><SPAN
lang=ES-AR
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: ES-AR; mso-fareast-language: ES; mso-bidi-language: AR-SA">Cosmología
y flecha del tiempo</SPAN></SPAN>"</DIV>
<DIV> </DIV>
<DIV> Mario
Castagnino<BR> <BR>
IAFE, IFIR, FCEyN, CONICET</DIV>
<DIV> </DIV>
<DIV>--------------------------------------------------------------------------<BR>RESUMEN:</DIV>
<DIV> </DIV>
<DIV><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: ES; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt"><FONT
size=3>Luego de definir cuidadosamente los conceptos de invariancia por
inversiones temporales,</FONT></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: ES; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt"><FONT
size=3>irreversibilidad y asimetría temporal o "flecha del tiempo" se demuestra
que la misma se puede </FONT></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: ES; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt"><FONT
size=3>definir satisfactoriamente basándose en nociones globales-cosmológicas.
Se generaliza de</FONT></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: ES; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt"></SPAN><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: ES; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt"><FONT
size=3> la flecha de los universos en expansión a modelos cosmológicos más
generales. Se demuestra </FONT></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: ES; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt"><FONT
size=3>como la flecha cosmológica-global tiene un correlato local, que coincide
con la flecha del la </FONT></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: ES; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt"><FONT
size=3>Teoría Cuántica de Campos (Axioma III de su versión axiomática) y con la
flecha termodinámica </FONT></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: ES; mso-fareast-language: ES; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt"><FONT
size=3>dada por la segunda ley.</FONT></SPAN></DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>Los esperamos!!<BR></DIV></FONT></FONT></BODY></HTML>