The 2-parameter family of massive variants of Einstein’s gravity (on a Minkowski background) found by Ogievetsky and Polubarinov by excluding lower spins can also be derived using universal coupling. A Dirac-Bergmann constrained dynamics analysis seems not to have been presented for these theories, the Freund-Maheshwari-Schonberg special case, or any other massive gravity beyond the linear leve...

1. introduction the shahnameh opens with a preface which probably did not exist prior to ferdowsi. even if such a thing existed, it must have been different from the present introduction. putting this aside, the rest of the shahnameh has a clear beginning and ending. this has helped critics to determine the structure of the work as a whole by its content. however, we believe the shahnameh inclu...

1. introduction persian folktales and literary stories are full of love relationships which add to the structural richness of the story. in most of these stories, love commences on part of the male character. however, there are instances in which women or girls initiate love. these kinds of love create adventures which are admirable in themselves. the commencement of love and the way a lover es...

1. introduction composition and letter writing are some of the most important issues that have been addressed in the past. especially at the ninth and tenth centuries hegira (teimurian era), valuable works have been composed in this regard, as some have reviewed and attended to the structure, while others have collected the original and content of the letters by the past eminent scholars. these...