May I ask if we can split a ciphertext with slots M into several ciphertexts with slots m while reducing the ring dimensionality of the ciphertext. For example, the original slots=2 ^ 14, corresponding to ringDim=2 ^ 15, are now split into slots=2 ^ 10, corresponding to a total of 16 ciphertexts with ringDim=2 ^ 11.
Splitting the ciphertext with more slots into a number of ciphertexts with fewer slots was described in the answer to your previous question. However, all ciphertexts have the same ring dimension and are encrypted under the same key. In order to make the ring dimension smaller, you need to perform field switching, described in https://eprint.iacr.org/2012/240.pdf, which is not currently available in OpenFHE and you would have to implemented on your own.
Okay, thank you very much.