This paper concerns the separable solutions of a generalized Burgers equation. Existence of separable solutions to the generalized Burgers equation is proved under certain conditions. A careful numerical study shows that these separable solutions of the generalized Burgers equation describe the large time asymptotic behavior of solutions of initial boundary value problems.

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Abstract. Group Inside Signature (GIS) is a signature scheme that allows the signer to designate his signature to be verified by a group of people, so that members other than the designated group cannot verify the signature generated by him. In Broadcast Group Oriented Signature (BGOS), an user from one group can designate his signature to be verified by members of other group. The GIS and BGOS schemes [5] We also present a new scheme for ADGS (N-ADGS) and proved its security in the random oracle model. The existing model for ADGS did not consider unlinkability which is one of the key properties required for ADGS. We provide security model for unlinkability and also prove our scheme is unlinkable.