# Acknowledgement and Funding

We thank all the PETSc team members for their suggestions, bug reports, and encouragement.

## Contributors

The following people have contributed code to SLEPc:

  * F. Alvarruiz: restarted Lanczos for the GSVD, structured BSE and Hamiltonian solvers.
  * A. Lamas Davi&ntilde;a: CUDA code, new website and documentation.
  * B. Mellado-Pinto: structured BSE solvers.
  * P. Jolivet: many fixes and suggestions.
  * Y. Maeda, T. Sakurai: CISS solvers.
  * M. Moldaschl, W. Gansterer: BDC subroutines.
  * F. Kong: nonlinear inverse iteration.
  * H. Fang, Y. Saad: FILTLAN polynomial filter.

## Grants

Currently, the development of SLEPc is being supported by the following grants:

  * Agencia Estatal de Investigacion; Reference: PID2022-139568NB-I00; PI: Jose E. Roman; Period: 1/9/2023-31/8/2026. [![AEI](https://www.aei.gob.es/sites/default/files/page/imagen-institucional/Logo_AEI.jpg){width=150px align=right}](http://www.aei.gob.es)

* * *

Previous grants:

  * Innovation Study ISOLV-BSE has received funding through the Inno4scale project, which is funded by the European High-Performance Computing Joint Undertaking (JU) under Grant Agreement No 101118139. The JU receives support from the European Union's Horizon Europe Programme. Coordinator: Jose E. Roman; Period: 1/2/2024-31/1/2025.
  * Agencia Estatal de Investigaci&oacute;n (Spain); Reference: PID2019-107379RB-I00; PI: Jose E. Roman; Period: 2020-2022.
  * Agencia Estatal de Investigaci&oacute;n (Spain); Reference: TIN2016-75985-P; PI: Jose E. Roman; Period: 2017-2019.
  * Ministerio de Economia y Competitividad (Spain); Reference: TIN2013-41049-P; PI: Jose E. Roman; Period: 2014-2016.
  * Ministerio de Ciencia e Innovacion (Spain); Reference: TIN2009-07519; PI: Jose E. Roman; Period: 2010-2012.
  * Directorate of Research and Technology Transfer, Valencian Regional Administration, GV06/091, PI: Jose E. Roman.
  * Office of Science and Technology, Valencian Regional Administration, CTIDB/2002/54, PI: Vicente Hernandez.
