
The Revolution Betrayed
Leon Trotsky
₹2,184

Concepts and Mathematical Foundations
by Christian Bär, Klaus Fredenhagen
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After some decades of work a satisfactory theory of quantum gravity is still not available; moreover, there are indications that the original field theoretical approach may be better suited than originally expected. There, to first approximation, one is left with the problem of quantum field theory on Lorentzian manifolds.
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