- The Geometry of Reduction: Compound Reduction and Overlapping State Space Domains
- Dark Energy Scenario in Metric f ( R ) Formalism
- The Hole Argument in Homotopy Type Theory
- A Relational Time-Symmetric Framework for Analyzing the Quantum Computational Speedup
- Quantum Information Versus Epistemic Logic: An Analysis of the Frauchiger–Renner Theorem
- Lorentz-Invariant, Retrocausal, and Deterministic Hidden Variables
- Higgs Naturalness and Renormalized Parameters
- Looking at the Arrow of Time and Loschmidt’s Paradox Through the Magnifying Glass of Mathematical-Billiard
- Conventionality and Reality
- Generalised Manifolds as Basic Objects of General Relativity
- The Hole Argument, take n
- Comment on ‘The Aestivation Hypothesis for Resolving Fermi’s Paradox’
- The Practice of Naturalness: A Historical-Philosophical Perspective
- Testing a Quantum Inequality with a Meta-analysis of Data for Squeezed Light
- Reply to a Comment on “Quantum Theory and the Limits of Objectivity”
- What Are Observables in Hamiltonian Einstein–Maxwell Theory?
- A Meeting with Wigner
- About the Measure of the Bare Cosmological Constant
- Intrinsic, Extrinsic, and the Constitutive A Priori
- On the Modal Aspects of Causal Sets
- Selective Realism and the Framework/Interaction Distinction: A Taxonomy of Fundamental Physical Theories
- Equivalence Between Self-energy and Self-mass in Classical Electron Model
- The ‘Delayed Choice Quantum Eraser’ Neither Erases Nor Delays
- Structural Properties of Irreducible Two-Particle Representations of the Poincaré Group
- Defining a Relativity-Proof Notion of the Present via Spatio-temporal Indeterminism
- Comment on Healey’s “Quantum Theory and the Limits of Objectivity”
- Natural Discrete Differential Calculus in Physics
- Constructing Extremal Compatible Quantum Observables by Means of Two Mutually Unbiased Bases
- Modern Physics and Number Theory
- Paul Busch: At the Heart of Quantum Mechanics
- Gleason-Type Theorems from Cauchy’s Functional Equation
- Aspects of the Quantum-Classical Connection Based on Statistical Maps
- Space Localization of the Photon
- Quantum Unsharpness, Potentiality, and Reality
- Relative Quantum Time
- Uncertainty from Heisenberg to Today
- Scales and Hierachies in Asymptotically Safe Quantum Gravity: A Review
- Quantum Reality, Perspectivalism and Covariance
- The Hierarchy Problem and the Cosmological Constant Problem Revisited
- Which Worldlines Represent Possible Particle Histories?
- Axioms for the Boltzmann Distribution
- General-Relativistic Covariance
- Noise–Disturbance Relation and the Galois Connection of Quantum Measurements
- Complementary Observables in Quantum Mechanics
- The Hole Argument Against Everything
- Reduction and Extremality of Finite Observables
- Contexts in Quantum Measurement Theory
- A Non-perturbative Hamiltonian Approach to the Cosmological Constant Problem
- Evaporating Black-Holes, Wormholes, and Vacuum Polarisation: Must they Always Conserve Charge?
- Finetuned Cancellations and Improbable Theories
- A New Fine-Tuning Argument for the Multiverse
- Physics Beyond the Multiverse: Naturalness and the Quest for a Fundamental Theory
- Electromagnetism as Quantum Physics
- Why be Natural?
- Quantum Hydrodynamics: Kirchhoff Equations
- On Interchangeability of Probe–Object Roles in Quantum–Quantum Interaction-Free Measurement
- Weak Values and Quantum Properties
- Position Measurement-Induced Collapse: A Unified Quantum Description of Fraunhofer and Fresnel Diffractions
- Loop Quantum Gravity: A New Threat to Humeanism? Part I: The Problem of Spacetime
- Non-smooth Gravity and Parity Violation
- An Operationalist Perspective on Setting Dependence
- Probability in Two Deterministic Universes
- Quantum-First Gravity
- Perfect Effect Algebras and Spectral Resolutions of Observables
- Model Astrophysical Configurations with the Equation of State of Chaplygin Gas
- The Notion of Locality in Relational Quantum Mechanics
- Quaternion Algebra on 4D Superfluid Quantum Space-Time: Gravitomagnetism
- Cosmological Density Perturbations in Newtonian- and MONDian Gravity Scenario: A Symmetry-Based Approach
- A Local $$psi $$ ψ -Epistemic Retrocausal Hidden-Variable Model of Bell Correlations with Wavefunctions in Physical Space
- Confessions of a (Cheap) Sophisticated Substantivalist
- Two Notions of Naturalness
- A Bi-directional Big Bang/Crunch Universe within a Two-State-Vector Quantum Mechanics?
- Perturbations and Quantum Relaxation
- Analysis of Wallace’s Proof of the Born Rule in Everettian Quantum Mechanics II: Concepts and Axioms
- Does the PBR Theorem Rule out a Statistical Understanding of QM?
- Bohmian Trajectories for Kerr–Newman Particles in Complex Space-Time
- Binding Quantum Matter and Space-Time, Without Romanticism
- Individual Particle Localization per Relativistic de Broglie–Bohm
- An Ontology of Nature with Local Causality, Parallel Lives, and Many Relative Worlds
- Naturalness, Extra-Empirical Theory Assessments, and the Implications of Skepticism
- Epistemic Horizons and the Foundations of Quantum Mechanics
- How Problematic is the Near-Euclidean Spatial Geometry of the Large-Scale Universe?
- From Classical to Quantum Models: The Regularising Rôle of Integrals, Symmetry and Probabilities
- Dark Matter in Galaxies: Evidences and Challenges
- Connecting the Dots: Mott for Emulsions, Collapse Models, Colored Noise, Frame Dependence of Measurements, Evasion of the “Free Will Theorem”
- Quantum Theory and the Limits of Objectivity
- Heisenberg Uncertainty Relations as Statistical Invariants
- Probing the Strong (Stationary) Gravitational Field of Accreting Black Holes with X-ray Observations
- Some “No Hole” Spacetime Properties are Unstable
- On Representational Capacities, with an Application to General Relativity
- Law Without Law or “Just” Limit Theorems?
- Relational Quantum Mechanics and Probability
- On Defining the Hamiltonian Beyond Quantum Theory
- 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