- Paul Busch 1955–2018
- Cosmological Constraints from Low-Redshift Data
- Black Holes, Gravitational Waves and Space Time Singularities
- Gravitational Collapse in Quantum Einstein Gravity
- 3D Spacetimes Construction from $$(1+1)$$ ( 1 + 1 ) D Kitaev Superconductor Model
- The X-ray Chirp of a Compact Black Hole Binary
- Homer Nodded: Von Neumann’s Surprising Oversight
- Measuring the Last Burst of Non-singular Black Holes
- On Quantum Life of Black Holes
- Oracles and Query Lower Bounds in Generalised Probabilistic Theories
- From the Sky to the Fundamental Physics
- Status of the Asymptotic Safety Paradigm for Quantum Gravity and Matter
- Introduction: Quantum Information Theory and Quantum Foundations
- Quanta and Qualia
- On the Problem of Initial Conditions for Inflation
- $$Lambda $$ Λ CDM: Much More Than We Expected, but Now Less Than What We Want
- Normalized Observational Probabilities from Unnormalizable Quantum States or Phase-Space Distributions
- Extracting Geometry from Quantum Spacetime
- The Twofold Role of Observables in Classical and Quantum Kinematics
- Unimodular quantum gravity and the cosmological constant
- The Transition from Quantum Field Theory to One-Particle Quantum Mechanics and a Proposed Interpretation of Aharonov–Bohm Effect
- Towards the Limits of Cosmology
- Black Hole Perturbations: A Review of Recent Analytical Results
- The Big Bang and its Dark-Matter Content: Whence, Whither, and Wherefore
- Georges Lemaître, Pioneer of Modern Theoretical Cosmology
- Are Hidden-Variable Theories for Pilot-Wave Systems Possible?
- Functional Renormalization Group Flows on Friedman–Lemaître–Robertson–Walker backgrounds
- Is Knowledge of Physical Reality Still Kantian? Some Remarks About the Transcendental Character of Loop Quantum Gravity
- Analysis of Wallace’s Proof of the Born Rule in Everettian Quantum Mechanics: Formal Aspects
- The Standard Cosmological Model: Achievements and Issues
- Timeless Configuration Space and the Emergence of Classical Behavior
- Uncertainty Principle on 3-Dimensional Manifolds of Constant Curvature
- A Stochastic Version of the Noether Theorem
- Physics Needs Philosophy. Philosophy Needs Physics
- Objectivity in Quantum Measurement
- Information Graph Flow: A Geometric Approximation of Quantum and Statistical Systems
- (Information) Paradox Regained? A Brief Comment on Maudlin on Black Hole Information Loss
- Multipartite Composition of Contextuality Scenarios
- Had We But World Enough, and Time… But We Don’t!: Justifying the Thermodynamic and Infinite-Time Limits in Statistical Mechanics
- Horizon Quantum Mechanics: Spherically Symmetric and Rotating Sources
- Quantum Gravity, Information Theory and the CMB
- Shan Gao: The Meaning of the Wave Function. In Search of the Ontology of Quantum Mechanics
- Non-local Effects of Conformal Anomaly
- The Matter-Gravity Entanglement Hypothesis
- Decoherence and Determinism in a One-Dimensional Cloud-Chamber Model
- Singularity Crossing, Transformation of Matter Properties and the Problem of Parametrization in Field Theories
- Causality in the Classical Limit for Quantum Electrodynamics
- Energy and Uncertainty in General Relativity
- Generalized Stefan–Boltzmann Law
- Can We Make Sense of Relational Quantum Mechanics?
- A General Theorem on Temporal Foliations of Causal Sets
- Losing Stuff Down a Black Hole
- The ‘Miracle’ of Applicability? The Curious Case of the Simple Harmonic Oscillator
- Equivalent Theories and Changing Hamiltonian Observables in General Relativity
- On Gravitational Energy in Newtonian Theories
- Against Laplacian Reduction of Newtonian Mass to Spatiotemporal Quantities
- Interferometric Computation Beyond Quantum Theory
- Generalized Ehrenfest Relations, Deformation Quantization, and the Geometry of Inter-model Reduction
- What is Quantum Mechanics? A Minimal Formulation
- Completing the Physical Representation of Quantum Algorithms Provides a Quantitative Explanation of Their Computational Speedup
- On the Boltzmann–Grad Limit for Smooth Hard-Sphere Systems
- The Dynamics of Difference
- Particle Trajectories for Quantum Field Theory
- Symmetry, Reference Frames, and Relational Quantities in Quantum Mechanics
- Squashed Entanglement, $$mathbf {k}$$ k -Extendibility, Quantum Markov Chains, and Recovery Maps
- The Relativistic Geometry and Dynamics of Electrons
- Virtual Black Holes and Space–Time Structure
- A Note on the Problem of Proper Time in Weyl Space–Time
- Delimiting the Unconceived
- Quantum Bit Commitment and the Reality of the Quantum State
- Random Constructions in Bell Inequalities: A Survey
- How Not to Establish the Non-renormalizability of Gravity
- Non-minimal Coupling of the Higgs Boson to Curvature in an Inflationary Universe
- Realistic Clocks for a Universe Without Time
- A Local-Realistic Model of Quantum Mechanics Based on a Discrete Spacetime
- Interaction-Free Effects Between Distant Atoms
- Quantum Locality, Rings a Bell?: Bell’s Inequality Meets Local Reality and True Determinism
- Self-accelerated Universe Induced by Repulsive Effects as an Alternative to Dark Energy and Modified Gravities
- The Firewall Transformation for Black Holes and Some of Its Implications
- A Time–Space Symmetry Based Cylindrical Model for Quantum Mechanical Interpretations
- Do Reichenbachian Common Cause Systems of Arbitrary Finite Size Exist?
- Interpretation and Decoherence: A Contribution to the Debate Vassallo & Esfeld Versus Crull
- Interpretations of Quantum Theory in the Light of Modern Cosmology
- Yes, More Decoherence: A Reply to Critics
- Lawrence P. Horwitz: Relativistic Quantum Mechanics
- Multi-Time Wave Functions Versus Multiple Timelike Dimensions
- The Invisibility of Diffeomorphisms
- On Nieuwenhuizen’s Treatment of Contextuality in Bell’s Theorem
- The Madelung Picture as a Foundation of Geometric Quantum Theory
- The Pauli Objection
- Proof of the Spin Statistics Connection 2: Relativistic Theory
- Compressibility, Laws of Nature, Initial Conditions and Complexity
- PT Symmetry, Conformal Symmetry, and the Metrication of Electromagnetism
- Sound Clocks and Sonic Relativity
- Quantum Mechanics is Incomplete but it is Consistent with Locality
- Response to Comment on ‘Non-representative Quantum Mechanical Weak Values’ by Ben-Israel and Vaidman
- Can We Falsify the Consciousness-Causes-Collapse Hypothesis in Quantum Mechanics?
- Semi-classical Locality for the Non-relativistic Path Integral in Configuration Space
- Aims and Scope of the Special Issue, “Quantum Foundations: Informational Perspective”
- What Weak Measurements and Weak Values Really Mean: Reply to Kastner
- A Diagrammatic Derivation of the Hermitian Adjoint
- The Second Law of Thermodynamics at the Microscopic Scale
- Hubble Law: Measure and Interpretation
- On the Character of Quantum Law: Complementarity, Entanglement, and Information
- Equivalent Quantum Equations in a System Inspired by Bouncing Droplets Experiments
- Inflation and Late Time Acceleration Designed by Stueckelberg Massive Photon
- The Diffuse Light of the Universe
- Quantum Mechanics as a Statistical Description of Classical Electrodynamics
- A Gleason-Type Theorem for Any Dimension Based on a Gambling Formulation of Quantum Mechanics
- Minimal Distance to Approximating Noncontextual System as a Measure of Contextuality
- Negativity Bounds for Weyl–Heisenberg Quasiprobability Representations
- Masanes and Oppenheim on the Third Law of Thermodynamics
- Spacetime Fluctuations and a Stochastic Schrödinger–Newton Equation
- Class of Exact Solutions for a Cosmological Model of Unified Gravitational and Quintessence Fields
- The Present Situation in Quantum Theory and its Merging with General Relativity
- Quantum Walks, Weyl Equation and the Lorentz Group
- SICs and Algebraic Number Theory
- Interfering Quantum Trajectories Without Which-Way Information
- Sporadic SICs and the Normed Division Algebras
- Time Reversal Symmetry and Collapse Models
- Demystifying Weak Measurements
- Single-World Theory of the Extended Wigner’s Friend Experiment
- Simultaneity on the Rotating Disk
- Irreversibility in the Derivation of the Boltzmann Equation
- Time Symmetric Quantum Mechanics and Causal Classical Physics ?
- Theory of Stochastic Schrödinger Equation in Complex Vector Space
- Comment on “Non-representative Quantum Mechanical Weak Values”
- Aims and Scopes of the Special Issue: Foundations of Astrophysics and Cosmology
- Making Sense of Bell’s Theorem and Quantum Nonlocality
- The Milky Way’s Supermassive Black Hole: How Good a Case Is It?
- Quantum Inflation of Classical Shapes
- Bell’s Nonlocality in a General Nonsignaling Case: Quantitatively and Conceptually
- The Number Behind the Simplest SIC–POVM
- Quantum Weak Values and Logic: An Uneasy Couple
- Simulations of Closed Timelike Curves
- Avoiding Haag’s Theorem with Parameterized Quantum Field Theory
- Action Quantization, Energy Quantization, and Time Parametrization
- On the Mössbauer Effect and the Rigid Recoil Question
- Particles, Cutoffs and Inequivalent Representations
- On the CHSH Form of Bell’s Inequalities
- Tests and Problems of the Standard Model in Cosmology
- Bouncing Cosmologies: Progress and Problems