A semana nos arXivs…

• Equivalence of Sobolev inequalities and Lieb-Thirring inequalities. (arXiv:0909.5449v1 [math.SP])
• Breaking and restoring of diffeomorphism symmetry in discrete gravity. (arXiv:0909.5688v1 [gr-qc])
• Algebraic structures in quantum gravity. (arXiv:0909.5631v1 [gr-qc])
• de Sitter Spaces. (arXiv:0909.5435v1 [gr-qc])
• Extracting black hole physics from the lattice. (arXiv:0909.4947v1 [hep-th])
• Defect lines, dualities, and generalised orbifolds. (arXiv:0909.5013v1 [math-ph])
• Riemann-Roch and index formulae in twisted K-theory. (arXiv:0909.4848v1 [math.KT])
• THE MAKING OF A PHYSICIST: A Talk With Murray Gell-Mann
• This Week’s Finds in Mathematical Physics (Week 280)
• Gregory Chaitin: “Mathematics, Biology and Metabiology”
• Minus times minus is plus

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• Viewpoint: the queen of all sciences and Intelligent Design
• Science Reporting and Evidence-Based Journalism
• The Sum Of All Knowledge? Yep, And Open Access Too
• Scientists: glorified bureaucrats?
• Economic impact of mathematics?
• The Gangs of Rio
• SMS as Appointment Reminder Effectively Reduces Nonattendance
• How Much of the Human Body is Made Up of Stardust?
• The Mathematical Vocation
• Théorie des opérations linéaires
• Mad Genius — The Link Between Psychosis And Artistic Creativity
• Use Google Docs to Convert Images to Text

Calças que desafiam a gravidade

Evolução…