We are delighted to announce that the first papers have been published in *Forum of Mathematics, Pi *and *Forum of Mathematics, Sigma*. Please click on the links below to access them.

**Published in*** Forum of Mathematics, Pi*

**Mock theta functions and quantum modular forms**

*Amanda Folsom, Ken Ono and Robert C. Rhoades*

**Special curves and postcritically finite polynomials**

*Matthew Baker and Laura De Marco*

**The Grothendieck constant is strictly smaller than Krivine’s bound**

*Mark Braverman, Konstantin Makarychev, Yury Makarychev and Assaf Naor*

**Published in ****Forum of Mathematics, Sigma**

**Generic vanishing theory via mixed Hodge modules**

*Mihnea Popa and Christian Schnell*

**Mixing for progressions in non-abelian groups**

*Terence Tao*

**Cannon-Thurston maps do not always exist**

*O. Baker and T. R. Riley*

**On the integral Hodge and Tate conjectures over a number field **

*Burt Totaro*

**Classification of symmetry groups for planar n-body choreographies**

*James Montaldi and Katrina Steckles*

**About Forum of Mathematics**

* Forum of Mathematics, Pi* and

All submitted articles will be peer-reviewed and will benefit from the full functionality associated with reputable journal publishing: copyediting, typesetting, reference linking, usage statistics, etc. The decision whether to accept articles will be made solely by the Editors in complete independence from Cambridge University Press.

The author will hold the copyright of published papers.

**
What is Pi?**

The confirmed editors are listed below, and will be updated as further individuals are added.

**Managing editor: **Rob Kirby, University of California, Berkeley

**Editors:**

Ian Agol, *University of California, Berkeley*

Douglas Arnold, *University of Minnesota*

Sébastien Boucksom, *Institut de Mathématiques de Jussieu*

Albert Cohen, *University of Paris, Pierre et Marie Curie*

Henry Cohn, *Microsoft Research New England*

Ingrid Daubechies, *Duke University*

Simon Donaldson, *Imperial College*

Tadahisa Funaki, *University of Tokyo*

Dennis Gaitsgory, *Harvard University*

Tim Gowers, *University of Cambridge*

Geoffrey Grimmett, *University of Cambridge*

Nicholas Higham, *University of Manchester*

Arieh Iserles, *University of Cambridge*

Carlos Kenig, *University of Chicago*

Bruce Kleiner, *New York University*

Fanghua Lin, *New York University*

Curtis McMullen, *Harvard University*

Kurt Mehlhorn, *Max Planck Institute for Informatics*

Stefan Muller, *University of Bonn, Germany*

Peter Olver, *University of Minnesota*

Peter Ozsváth, *Princeton University*

Jonathan Pila, *University of Oxford*

Gilles Pisier, *University of Paris, Pierre et Marie Curie*

Andrew Pitts, *University of Cambridge*

Alexander Razborov, *University of Chicago*

Raphaël Rouquier, *University of California, Los Angeles*

Sylvia Serfaty, *University of Paris, Pierre et Marie Curie*

Theodore Slaman, *University of California, Berkeley*

Kannan Soundararajan, *Stanford University*

Catharina Stroppel, *Bonn University*

Terence Tao, *University of California, Los Angeles*

Richard Taylor, *Institute for Advanced Study, Princeton*

Peter Teichner, *Max Planck Institute for Mathematics*

Stevo Todorcevic, *University of Toronto*

Stefaan Vaes, *KU Leuven*

Ravi Vakil, *Stanford University*

Claire Voisin, *University of Paris, Pierre et Marie Curie*

Eric Zaslow, *Northwestern University*

Günter M Ziegler, *Freie Universität Berlin*

**Why is Cambridge University Press launching this initiative?**

Cambridge is establishing the *Forum of Mathematics* in order to offer the community an open access journal of the highest quality as a genuine alternative to the traditional subscription model. This fulfils our commitment to support the dissemination of scholarly knowledge.

**The full list of FAQs can be viewed here. **