Search references for CAUSAL SETS. Phrases containing CAUSAL SETS
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Approach to quantum gravity using discrete spacetime
The causal sets program is an approach to quantum gravity. Its founding principles are that spacetime is fundamentally discrete (a collection of discrete
Causal_sets
Philosophical view that events are determined by prior events
mechanics accepts the linear causal sets of sequential events with adequate consistency yet also suggests constant forking of causal chains that can in principle
Determinism
Hypothetical approach to quantum gravity with emergent spacetime
related to causal dynamical triangulation is called causal sets. Both CDT and causal sets attempt to model the spacetime with a discrete causal structure
Causal dynamical triangulation
Causal_dynamical_triangulation
Physics of the cause–effect relation
Sorkin proposed the idea of Causal Set Theory, which is a fundamentally discrete approach to quantum gravity. The causal structure of the spacetime is
Causality_(physics)
Causal relationships between points in a manifold
In mathematical physics, the causal structure of a Lorentzian manifold describes the possible causal relationships between points in the manifold. Lorentzian
Causal_structure
Field theory in physics that aims to unify the fundamental forces and particles
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Unified_field_theory
Hypothetical physical concept
theory. An intellect which at a certain moment would know all forces that set nature in motion, and all positions of all items of which nature is composed
Theory_of_everything
Greek physicist (born 1971)
Store. In her interdisciplinary paper "The Internal Description of a Causal Set: What the Universe Looks Like from the Inside", Markopoulou instantiates
Fotini_Markopoulou-Kalamara
interest and that reflection on these sets could improve epidemiological study design. A set of proposed causal mechanisms are represented as pie charts
Causal_pie_model
Attraction of masses and energy
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Gravity
Classical statement of gravity as force
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Newton's law of universal gravitation
Newton's_law_of_universal_gravitation
Attempt to find a consistent theory of quantum gravity
term is also used). Physics portal Asymptotic freedom Causal dynamical triangulation Causal sets Critical phenomena Euclidean quantum gravity Fractal cosmology
Asymptotic_safety
Theory of gravitation as curved spacetime
Path Integral approach and Regge calculus, dynamical triangulations, causal sets, twistor models or the path integral based models of quantum cosmology
General_relativity
Unified field theory
field is a source for the scalar field. Note that the scalar field cannot be set to a constant without constraining the electromagnetic field. The earlier
Kaluza–Klein_theory
British physicist
Fay Dowker, Perimeter Institute Dowker, Fay (2013). "Introduction to causal sets and their phenomenology". General Relativity and Gravitation. 45 (9):
Fay_Dowker
Idea in quantum gravity
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Induced_gravity
Theory in modern physics that describes gravity as an entropic force
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Entropic_gravity
How one process influences another
accessible sets of variables worthy of measurement. While derivations in causal calculus rely on the structure of the causal graph, parts of the causal structure
Causality
Description of gravity using discrete values
Euclidean quantum gravity Integral method Causal dynamical triangulation Causal fermion systems Causal Set Theory Covariant Feynman path integral approach
Quantum_gravity
Topics referred to by the same term
Causal theory may refer to: Causal decision theory of evaluating the expected utility of an action Causal sets theory, an approach to quantum physics Causal
Causal_theory
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Gravity_filtration
Theory extending Einstein gravity
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Quadratic_gravity
Analogies between Maxwell's and Einstein's field equations
minor-axis spin. When both rotations are applied simultaneously, these two sets of reaction forces can be said to occur at different depths in a radial Coriolis
Gravitoelectromagnetism
Restatement of Newton's law of universal gravitation
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Gauss's_law_for_gravity
Hypothetical elementary particle that mediates gravity
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Graviton
Theory of quantum gravity merging quantum mechanics and general relativity
Markopoulou-Kalamara et al.) Furthermore, LQG has drawn philosophical comparisons with causal dynamical triangulation and asymptotically safe gravity, and the spinfoam
Loop_quantum_gravity
Development of artificial intelligence
Causal AI is a technique in artificial intelligence that builds a causal model and can thereby make inferences using causality rather than just correlation
Causal_AI
Theory proposed by Roger Penrose
supercurvature along super null lines (super ambitwistors) implied the full set of field equations, including those for the fermionic fields. This was subsequently
Twistor_theory
Field in statistics pertaining to establishing cause and effect
causality or causal discovery is the use of statistical algorithms to infer associations in observed data sets that are potentially causal under strict
Exploratory_causal_analysis
Comprehensive physical model
Quantum cosmology Loop quantum cosmology Causal dynamical triangulation Causal fermion systems Causal sets Canonical quantum gravity Semiclassical gravity
Grand_Unified_Theory
Modern theory of gravitation that combines supersymmetry and general relativity
Quantum cosmology Loop quantum cosmology Causal dynamical triangulation Causal fermion systems Causal sets Canonical quantum gravity Semiclassical gravity
Supergravity
Mathematical set with an ordering
kind of order is meant. In particular, totally ordered sets can also be referred to as "ordered sets", especially in areas where these structures are more
Partially_ordered_set
Classical theory of gravitation
within the framework of Riemannian geometry, which does not; an additional set of equations are posed that relate torsion to spin. This difference can be
Einstein–Cartan_theory
Violation of charge-parity symmetry in particle physics and cosmology
immediately obvious, but can be seen as follows. Consider any given particles (or sets of particles) a {\displaystyle \ a\ } and b , {\displaystyle \ b\
CP_violation
Concept in cosmology
origin of the cosmological constant problem is traced back to unphysical non-causal terms in the standard calculation, which lead to an erroneously large value
Cosmological_constant_problem
Portuguese cosmologist and research scientist
of time. Cortês has contributed to the development of the Energetic Causal Sets framework, a proposal for understanding the emergence of spacetime and
Marina_Cortês
Topological structure in loop quantum gravity
_{f}A_{f}(j_{f})\prod _{e}A_{e}(j_{f},i_{e})\prod _{v}A_{v}(j_{f},i_{e})\right]} with: a set of 2-complexes Γ {\displaystyle \Gamma } each consisting out of faces f {\displaystyle
Spin_foam
Tensor field in Riemannian geometry
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Riemann_curvature_tensor
Branch of statistics
Causal inference is the process of determining the independent, actual effect of a particular phenomenon that is a component of a larger system. The main
Causal_inference
Proposed model of gravity
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
DGP_model
Scientific device
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Air_track
Theories trying to extend known physics
as Lisa Randall. Unified Gravity treats gravity as a gauge field from a set of compact U(1) symmetries in an extended spinor space. This allows creating
Physics beyond the Standard Model
Physics_beyond_the_Standard_Model
Hypothesis proposing a modification of Newton's laws
a relativistic generalization of MOND, TeVeS, which however had its own set of problems. Another notable attempt was by Constantinos Skordis [wd] and
Modified_Newtonian_dynamics
Approach to quantum gravity utilizing Wick rotations
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Euclidean_quantum_gravity
Quantum field theory with a Lie group base manifold
giving a path integral formulation of quantum spacetime. Shape dynamics Causal Sets Fractal cosmology Loop quantum gravity Planck scale Quantum gravity Regge
Group_field_theory
Physics theory
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Rainbow_gravity_theory
Physical theory with matter as quantum fields but gravity as a classical field
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Semiclassical_gravity
Model of gravity with dilation
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Jackiw–Teitelboim_gravity
Directed graph with no directed cycles
past, and thus we have no causal loops. An example of this type of directed acyclic graph are those encountered in the causal set approach to quantum gravity
Directed_acyclic_graph
Phenomenon in which a neutrino changes lepton flavor as it travels
weak spring (a spring with a small spring constant). The first pendulum is set in motion by the experimenter while the second begins at rest. Over time
Neutrino_oscillation
Japanese neutrino observatory
photoelectron trajectories and timing in the PMTs. To counteract this 26 sets of horizontal and vertical Helmholtz coils are arranged around the inner
Super-Kamiokande
Structure from which the geometry of the universe arises
fluctuations. Causal sets by Bombelli, Lee, Meyer and Sorkin All of spacetime at very small scales is a causal set consisting of locally finite set of elements
Pregeometry_(physics)
magnetic faculty is another example of this sort).... If two stones were set near one another in some place in the world outside the sphere of influence
History of gravitational theory
History_of_gravitational_theory
Theory of quantum gravity
distances. The theory relies on the theory of foliations to produce its causal structure. It is related to topologically massive gravity and the Cotton
Hořava–Lifshitz_gravity
Attempt to describe spacetime and associated phenomena in terms of geometry
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Geometrodynamics
Linear perturbations to solutions of nonlinear Einstein field equations
that h μ ν {\displaystyle h_{\mu \nu }} be defined in terms of a general set of diffeomorphisms, then select the subset of these that preserve the small
Linearized_gravity
Fringe theory of physics
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
An Exceptionally Simple Theory of Everything
An_Exceptionally_Simple_Theory_of_Everything
General relativity in 2+1 dimensions
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
(2+1)-dimensional topological gravity
(2+1)-dimensional_topological_gravity
Formulation of general relativity
functions N → ( x ) {\displaystyle {\vec {N}}(x)} to give an equivalent set of smeared spatial diffeomorphism constraints, C ( N → ) = ∫ d 3 x C a (
Canonical_quantum_gravity
American physicist
Society. He is best known as the initiator and main proponent of the causal sets approach to quantum gravity. He is also known for introducing entanglement
Rafael_Sorkin
Theory of fundamental physics
Quantum cosmology Loop quantum cosmology Causal dynamical triangulation Causal fermion systems Causal sets Canonical quantum gravity Semiclassical gravity
Superfluid_vacuum_theory
Visualization of variable interrelationships
A causal loop diagram (CLD) is a causal diagram that visualizes how different variables in a system are causally interrelated. The diagram consists of
Causal_loop_diagram
Open question in particle physics
Quantum cosmology Loop quantum cosmology Causal dynamical triangulation Causal fermion systems Causal sets Canonical quantum gravity Semiclassical gravity
Neutrino_mass_hierarchy
predictions of General Relativity. Fay Dowker: physicist working on causal sets as well as the interpretation of quantum mechanics. David Finkelstein:
List of quantum gravity researchers
List_of_quantum_gravity_researchers
Candidate unified theory of physics
The theory of causal fermion systems is an approach to describe fundamental physics. It provides a unification of the weak, the strong and the electromagnetic
Causal_fermion_systems
Comformal theory of gravity
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Hoyle–Narlikar theory of gravity
Hoyle–Narlikar_theory_of_gravity
Unsolved problem in physics
Quantum cosmology Loop quantum cosmology Causal dynamical triangulation Causal fermion systems Causal sets Canonical quantum gravity Semiclassical gravity
Hierarchy_problem
Theories of higher-dimensional general relativity
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Higher-dimensional Einstein gravity
Higher-dimensional_Einstein_gravity
Theory of gravity
of a tetrad field, i.e., a set {X1, X2, X3, X4} of four vector fields defined on all of M such that for every p ∈ M the set {X1(p), X2(p), X3(p), X4(p)}
Teleparallelism
Theory of gravity
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Gauss–Bonnet_gravity
Proposed theories of gravity
rather than ad hoc set of tests for evaluating alternative gravitation models began with Eddington in 1922 and resulted in a standard set of Parametric post-Newtonian
Alternatives to general relativity
Alternatives_to_general_relativity
Toy model of general relativity
which are entirely different models. The matter field only couples to the causal structure, and in the light-cone gauge ds2 = − e2ρ du,dv, has the simple
CGHS_model
Modified theory of gravity developed by John Moffat
, − , − ] {\displaystyle [+,-,-,-]} will be used; the speed of light is set to c = 1 {\displaystyle c=1} , and we are using the following definition
Scalar–tensor–vector_gravity
Defunct American particle accelerator at Fermilab in Illinois (1983–2011)
Quantum cosmology Loop quantum cosmology Causal dynamical triangulation Causal fermion systems Causal sets Canonical quantum gravity Semiclassical gravity
Tevatron
1922 theory, now obsolete
involves the Minkowski metric, which is used to determine which events are causally related and to calculate how gravitational influences are delayed by distance
Whitehead's theory of gravitation
Whitehead's_theory_of_gravitation
Gravity theories that are invariant under Weyl transformations
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Conformal_gravity
Relativistic generalization of Mordehai Milgrom's MOND paradigm
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Tensor–vector–scalar_gravity
Conceptual model in philosophy of science
a causal model (also called a structural causal model) is a conceptual model that represents the causal mechanisms of a system.[page needed] Causal models
Causal_model
Directed graph that models causal relationships between variables
epidemiology, genetics and related disciplines, causal graphs (also known as path diagrams, causal Bayesian networks or DAGs) are probabilistic graphical
Causal_graph
Class of models of gravitation treating gravitons as composite particles
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Composite_gravity
Early attempts to explain gravity
Applicata, 3: 137–159 Buonomano, V. & Engel, E. (1976), "Some speculations on a causal unification of relativity, gravitation, and quantum mechanics", Int. J.
Mechanical explanations of gravitation
Mechanical_explanations_of_gravitation
Causal research, is the investigation of (research into) cause-relationships. To determine causality, variation in the variable presumed to influence the
Causal_research
Classical field theory describing gravitation
underlying special relativity are “gauged” to become local, introducing two sets of gauge fields: the tetrad field associated with translations and the spin
Poincaré_gauge_theory
Aspect of theoretical physics
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Twistor_string_theory
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Chasles'_theorem_(gravity)
Physics laboratory in Assergi, Italy
of the Senate, Amintore Fanfani (Christian Democracy party), to quickly set up the Public Works Commission. Work began in 1982 and was completed in 1985
Laboratori Nazionali del Gran Sasso
Laboratori_Nazionali_del_Gran_Sasso
Hypothetical model through which W and Z bosons acquire mass
possibility of a more parity-doubled spectrum, has been developed into a set of rules and decay amplitudes. An April 2011 announcement of an excess in
Technicolor_(physics)
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Scalar theories of gravitation
Scalar_theories_of_gravitation
Theory of gravity
cosmological constant and must be small. The next coefficient a1 can be set to one as in general relativity. For metric f(R) gravity (as opposed to Palatini
F(R)_gravity
Condensed matter physics model involving only closed loops
Quantum cosmology Loop quantum cosmology Causal dynamical triangulation Causal fermion systems Causal sets Canonical quantum gravity Semiclassical gravity
String-net_liquid
Proposed theory of gravitation
coupling constant ω {\displaystyle \omega } . This means that it is possible to set an observational lower bound on the possible value of ω {\displaystyle \omega
Brans–Dicke_theory
Nonpertubative field theoretic approach to quantum gravity
properties. For this reason it is possible that — assuming a particular set of couplings has been measured in an experiment — the requirement of asymptotic
Physics applications of asymptotically safe gravity
Physics_applications_of_asymptotically_safe_gravity
Hypothetical gravitational particle
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Pressuron
Attempts to develop a quantum mechanical theory of cosmology
with loop quantum cosmology, loop quantum gravity, string theory and causal set theory. In quantum cosmology, the universe is treated as a wave function
Quantum_cosmology
Geometric algebra approach to gravity
position-gauge field in a manner similar to tetrads. In the tetrad formalism, a set of four vectors { e ( a ) μ } {\displaystyle \{{e_{(a)}}^{\mu }\}} are introduced
Gauge_theory_gravity
equation Loop quantum gravity Spin foam Causal dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory
Lovelock_theory_of_gravity
Theory of gravity in which the graviton has nonzero mass
N lattice sites such that the higher dimensional metric is replaced by a set of interacting metrics that depend only on the 4D components. The presence
Massive_gravity
Refutation of a logical fallacy
language of scientific causal notation. Causal inference is said to provide the evidence of causality theorized by causal reasoning. Causal inference is widely
Correlation does not imply causation
Correlation_does_not_imply_causation
Kinetic theory of gravity
Applicata, 3: 137–159 Buonomano, V.; Engel, E. (1976), "Some speculations on a causal unification of relativity, gravitation, and quantum mechanics", Int. J.
Le Sage's theory of gravitation
Le_Sage's_theory_of_gravitation
Topics referred to by the same term
Causality (physics) Causal sets Causal dynamical triangulation Causal filter Causal perturbation theory Causal system Causality loop Causal structure Causality
Causality_(disambiguation)
CAUSAL SETS
CAUSAL SETS
Boy/Male
Arabic
Stubborn.
Boy/Male
Danish Swedish American Latin Shakespearean
Long hair.
Male
Irish
Variant spelling of Irish Gaelic Cathal, CAHAL means "battle ruler."
Boy/Male
Hindu
Happy
Boy/Male
Indian
Casual
Boy/Male
Hindu
Happy
Surname or Lastname
English (West Midlands)
English (West Midlands) : probably an occupational name for a maker of leggings or other apparel for the legs or feet, from an agent derivative probably of a northern variant of Old French chausse ‘footwear’ or ‘leggings’ (see Chausse).
Boy/Male
Irish
Powerful warrior.
Boy/Male
Celtic Irish
Strong in battle.
Female
Swedish
Variant spelling of Swedish Kajsa, CAJSA means "pure."
Surname or Lastname
English
English : perhaps a variant spelling of Cosby.
Boy/Male
Hindu
God is gracious, Swan like
Surname or Lastname
English
English : variant spelling of Carnell.French : metonymic occupational name for a maker of latches and hinges, from Old Picard carnel, Old French charnel ‘hinge’.
Boy/Male
Indian
Decisive
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : habitational name for someone from Cassel in Nord, France.English : variant spelling of Castle.Americanized or older spelling of German Kassel.
Boy/Male
Irish
From Cashel.
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : topographic name for someone who lived by a causeway, Middle English caucey (from Old Norman French cauciée); the ending of the word was in time assimilated by folk etymology to Middle English way.
Boy/Male
Indian
Decisive
Boy/Male
Hindu
Lover or joyful or glad
Boy/Male
Muslim
Pure water
CAUSAL SETS
CAUSAL SETS
Male
Italian
Pet form of Italian Giuseppe, BEPPE means "(God) shall add (another son)."Â
Boy/Male
Arabic, Muslim
Seal of the Prophets
Boy/Male
Teutonic Latin
Free.
Surname or Lastname
English (northern Ireland)
English (northern Ireland) : variant of Blakely.
Boy/Male
American, Australian, British, Christian, English, German, Hebrew, Spanish
Wolf Counsellor; Shield Wolf; Form of Raphael; Form of Rafael God has Healed; Wise Wolf; Healer
Girl/Female
Greek
Adored.
Boy/Male
Arabic
Praised
Girl/Female
German, Greek
Pure
Boy/Male
German
Bold.
Boy/Male
American, Australian, British, Chinese, Danish, English
Botanical Name
CAUSAL SETS
CAUSAL SETS
CAUSAL SETS
CAUSAL SETS
CAUSAL SETS
a.
Coming without regularity; occasional; incidental; as, casual expenses.
n.
One of the nasal bones.
v.
That which is the occasion of an action or state; ground; reason; motive; as, cause for rejoicing.
n.
A tarsal bone or cartilage; a tarsale.
a.
Capable of being caused.
n.
A Roman emperor, as being the successor of Augustus Caesar. Hence, a kaiser, or emperor of Germany, or any emperor or powerful ruler. See Kaiser, Kesar.
n.
A causal word or form of speech.
a.
Resembling a vassal; slavish; servile.
adv.
According to the order or series of causes; by tracing effects to causes.
imp. & p. p.
of Cause
a.
Of or pertaining to case; as, a casal ending.
a.
Of or pertaining to the ear; as, aural medicine and surgery.
a.
Having a quality imparted by means of the nose; and specifically, made by lowering the soft palate, in some cases with closure of the oral passage, the voice thus issuing (wholly or partially) through the nose, as in the consonants m, n, ng (see Guide to Pronunciation, // 20, 208); characterized by resonance in the nasal passage; as, a nasal vowel; a nasal utterance.
a.
Having the form of a caecum, or bag with one opening; baglike; as, the caecal extremity of a duct.
v. i.
To assign or show cause; to give a reason; to make excuse.
n.
One who or that which causes.
a.
Of or pertaining to the thigh or leg, or to any of the parts called crura; as, the crural arteries; crural arch; crural canal; crural ring.
n.
A tube or duct; as, the alimentary canal; the semicircular canals of the ear.
v. t.
To treat as a vassal; to subject to control; to enslave.
a.
Relating to a cause or causes; inplying or containing a cause or causes; expressing a cause; causative.