Hazra, Rajat Subhra2012-04-292012-04-292011-04153p.http://hdl.handle.net/10263/3600Thesis is under the supervision of Prof. Krishanu MaulikenRandom variablesTrail distributionProbabilityCEVMEssays on regular variations in classical and free setup: randomaly weighted sums, products in CEVM and free subexponentialityThesis