The phrase "are no constraints" is correct and usable in written English.
It can be used to indicate that there are no limitations or restrictions in a given context.
Example: "In this creative project, there are no constraints on your imagination; feel free to explore any ideas you have."
Alternatives: "there are no limitations" or "there are no restrictions".
On that, there are no constraints.
They were victims of the culture that assumes flowers will bloom if there are no constraints.
"Because they have wider readerships there are no constraints on age or gender or appearance," says one writer who works for magazines and papers.
Another reason is that while there are geological limits on the energy an earthquake can unleash, there are no constraints on prices.
When The Wall Street Journal surveyed the economy a year ago, it brushed aside talk of physical limits as hopelessly old-fashioned, approvingly quoting an analyst who declared: "In a knowledge-based economy, there are no constraints to growth".
"Paulson put Goldman people into these positions at Treasury because these are the people he knows and there are no constraints on him not to do so," Mr. Whalen says.
"I think this is the world we live in, where two-career families are the norm and there are no constraints on the political activities of judicial spouses," Mr. Lubet said.
There are no constraints in terms of technique or media," though photography and paintings have dominated recent choices because many of the works hang in bank branches and offices.
Susan Greenfield (neurobiologist and director of the Royal Institution) Visions: How Science Will Revolutionise the 21st Century by Michio Kaku combines bio-medical and physical sciences, organised round the three purported twentieth-century revolutions involving the atom, the computer and the gene, is a stimulating, no-holds-barred book, where there are no constraints on ideas.
