Error message

Deprecated function: TYPO3\PharStreamWrapper\Manager::initialize(): Implicitly marking parameter $resolver as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of includes/file.phar.inc).
Deprecated function: TYPO3\PharStreamWrapper\Manager::initialize(): Implicitly marking parameter $collection as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of includes/file.phar.inc).
Deprecated function: TYPO3\PharStreamWrapper\Manager::__construct(): Implicitly marking parameter $resolver as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of includes/file.phar.inc).
Deprecated function: TYPO3\PharStreamWrapper\Manager::__construct(): Implicitly marking parameter $collection as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of includes/file.phar.inc).
Deprecated function: UpdateQuery::expression(): Implicitly marking parameter $arguments as nullable is deprecated, the explicit nullable type must be used instead in require_once() (line 1884 of includes/database/database.inc).
Deprecated function: MergeQuery::expression(): Implicitly marking parameter $arguments as nullable is deprecated, the explicit nullable type must be used instead in require_once() (line 1884 of includes/database/database.inc).

Groups working in quantum computing and quantum information

Country

Title	Research type	Country
Quantum Systems of Informatics Group, Institute of Theoretical and Applied Informatics, Polish Academy of Sciences	Theory	Poland
Quantum AI Foundation	Theory and Experiment	Poland
Theory of Quantum Systems	Theory	Poland
Cold Atomic Space-Time Laboratory, Toruń, Poland	Theory and Experiment	Poland
Quantum Molecular Systems	Theory	Poland
Quantum Devices in Computer Science Group (QDCS), International Centre for Theory of Quantum Technologies (ICTQT), University of Gdańsk, Poland	Theory	Poland
INL - International Iberian Nanotechnology Laboratory \| Braga, Portugal	Theory and Experiment	Portugal
Physics of Information Group	Theory and Experiment	Portugal
Physics of Information and Quantum Technologies Group	Theory and Experiment	Portugal
Security and Quantum Information Group (SQIG) - IT , IST U. Lisbon	Theory	Portugal
Deep Quantum Labs	Theory	Russia
Laboratory of Quantum Information Theory, Moscow Institute of Physics and Technology	Theory	Russia
Biamonte–Quantum Complexity Science Initiative	Theory	Russia
Deep Quantum Labs	Theory	Russia
Quantum Information Technologies Group, National Research University Higher School of Economics (MIEM HSE)	Theory	Russia