EntityQ1783105· pop 8· linked from 253 articlescontact geometrySign in to savebranch of mathematicsConnectionsgeodesic curveEntityintensive or extensive propertyEntityHamilton–Jacobi equationEntitycohomologyEntitymathematicsEntityphysicsEntityIsaac NewtonPersonInternational Standard Book NumberEntitythermodynamicsEntityclassical mechanicsEntityChristiaan HuygensEntitydigital object identifierEntityInternational Standard Serial NumberEntityentropyEntityconic sectionEntityApollonius of PergaEntityJSTOREntitybibcodeEntityVladimir ArnoldEntitygraph of a functionEntityCategoriesContact geometry