investigation and interpretation of sohrab sepehri's hasht-ketab(eight-volumes) in the light of mathematics

existence of words and concepts of basic sciences including mathematics, geology, biology, chemistry and physics in the poetry causes many form and conceptual rises and falls for which further investigation and criticism are necessary. science always accompanies with accuracy and science introduction  into poetic and literary  area will also involve it in accuracy and give it more depth. sometimes it helps having right understanding of poetry and sometimes hides and codifies it and makes its understanding more difficult. mathematics is considered as one of basic sciences and penetration of its words and concepts in poetry area causes some evolutions in its content, form and understanding rate which is investigable. this research aims to investigate relation between mathematics and literature and influence of mathematics entering poetry considering hasht behesht by sohrab sepehri and also influence of this science on understanding rate of poetry in addition to extracting all mathematical words and concepts from sepehri’s poems. for authors, introduction of mathematical concepts and words into sepehri’s poetry has been very effective and in most cases it has played an important role like creating brevity, imagination and imagery and giving accuracy to the poetry. although entrance of these words has sometimes increased poetic  richness and made its concept deeper and more influencing, it has caused complexity of poetic understanding such that if this possible complexity and constraint removes, understanding and comprehension of the poetry will be more productive.