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Fundamental theorem in condensed matter physics
periodic functions. The theorem is named after the Swiss physicist Felix Bloch, who discovered the theorem in 1929. Mathematically, they are written Bloch function
Bloch's_theorem
Topics referred to by the same term
In mathematics, Bloch function may refer to: Named after Swiss physicist Felix Bloch a periodic function which appears in the solution of the Schrödinger
Bloch_function
Subfield of number theory
Number Conjecture (PDF) Kings, Guido (2003), "The Bloch–Kato conjecture on special values of L-functions. A survey of known results", Journal de théorie
Special_values_of_L-functions
Route Bloch, at CERN (Meyrin site) Bloch Auditorium, Hewlett Teaching Center room 201, Stanford University Bloch Beamline at MAX IV Laboratory Bloch Fellowship
List of things named after Felix Bloch
List_of_things_named_after_Felix_Bloch
Space of holomorphic functions on the open unit disk in the complex plane
the Bloch space, named after French mathematician André Bloch and denoted B {\displaystyle {\mathcal {B}}} or ℬ, is the space of holomorphic functions f
Bloch_space
American fiction writer (1917–1994)
Robert Albert Bloch (/blɒk/; April 5, 1917 – September 23, 1994) was an American fiction writer, primarily of crime, psychological horror, and fantasy
Robert_Bloch
French mathematician (1893–1948)
of Bloch's functions which form the so-called Bloch space. (This usage should not be confused with Bloch's functions of Swiss physicist Felix Bloch.) Bloch
André_Bloch_(mathematician)
Mathematical theorem
complex analysis, a branch of mathematics, Bloch's theorem describes the behaviour of holomorphic functions defined on the unit disk. It gives a lower
Bloch's theorem (complex analysis)
Bloch's_theorem_(complex_analysis)
Model of electronic band structures of solids
model in a hybrid NFE-TB model. Bloch functions describe the electronic states in a periodic crystal lattice. Bloch functions can be represented as a Fourier
Tight_binding
Describes the range of energies of an electron within the solid
)=e^{i\mathbf {k} \cdot \mathbf {r} }u_{n}(\mathbf {r} )} where the Bloch function u n ( r ) {\displaystyle u_{n}(\mathbf {r} )} is periodic over the crystal
Electronic_band_structure
Association of one output to each input
mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the
Function_(mathematics)
Physical function
{R} ):=\phi _{\mathbf {R} }(\mathbf {r} )} The Bloch functions can be written in terms of Wannier functions as follows: ψ k ( r ) = 1 N ∑ R e i k ⋅ R ϕ R
Wannier_function
Equations describing nuclear magnetic resonance
(ESR), the Bloch equations are a set of macroscopic equations that are used to calculate the nuclear magnetization M = (Mx, My, Mz) as a function of time
Bloch_equations
Bloch's principle is a philosophical principle in mathematics stated by André Bloch. Bloch states the principle in Latin as: Nihil est in infinito quod
Bloch's_principle
Quantized magnetization of charged particles
the orbital magnetization in terms of the occupied single-particle Bloch functions |ψn k⟩ of band n and crystal momentum k: M o r b = − e 2 m e ∑ n ∫
Orbital_magnetization
Function with a repeating pattern
number (the Bloch wavevector or Floquet exponent). Functions of this form are sometimes called Bloch-periodic in this context. A periodic function is the special
Periodic_function
_{0}^{z}{\log(1-t) \over t}\,\mathrm {d} t.} The Bloch–Wigner function is related to dilogarithm function by D 2 ( z ) = Im ( Li 2 ( z ) ) + arg
Bloch_group
Behaviour of metals at low temperatures
In solid-state physics, the Bloch–Grüneisen law or the Bloch's T5 law describes the temperature dependence of electrical resistivity in metals due to the
Bloch–Grüneisen_law
Capability of some programming languages
kotlinlang.org. Bloch 2018, p. 238-244, §Chapter 8 Item 52: Eliminate unchecked warnings. "Nim Manual". nim-lang.org. "37.6. Function Overloading". PostgreSQL
Function_overloading
Smooth curve outlining the extremes of an oscillating signal
trapped near an impurity is governed by an envelope function F that governs a superposition of Bloch functions: ψ ( r ) = ∑ k F ( k ) e i k ⋅ r u k ( r )
Envelope_(waves)
Theorem relating Milnor K-theory and Galois cohomology
Spencer Bloch and Kazuya Kato and became known as the Bloch–Kato conjecture or the motivic Bloch–Kato conjecture to distinguish it from the Bloch–Kato conjecture
Norm residue isomorphism theorem
Norm_residue_isomorphism_theorem
American mathematician
and Galois cohomology in 1986 and the Bloch–Kato conjectures for special values of L-functions in 1990. Bloch is a member of the U.S. National Academy
Spencer_Bloch
Swedish mathematician
arXiv:1303.0720. doi:10.1016/j.jfa.2014.09.002. Hedenmalm, Håkan (2017). "Bloch functions and asymptotic tail variance". Advances in Mathematics. 313: 947–990
Hakan_Hedenmalm
Physical model for semiconductors
These Bloch functions can be pictured as periodic repetition of atomic orbitals, repeated at intervals corresponding to the lattice spacing. The Bloch function
Luttinger–Kohn_model
Simplified model in condensed matter physics
to hybridize, and the eigenstates of such a crystalline system are Bloch's functions, with the energy levels divided into separated energy bands. The width
Hubbard_model
Moving charge energy loss formula found by Hans Bethe
The Bethe formula or Bethe–Bloch formula describes the mean energy loss per distance travelled of swift charged particles (protons, alpha particles, atomic
Bethe_formula
Swiss neuroscientist
Jocelyne Bloch (born 1968) is a Swiss neuroscientist and a neurosurgeon at Lausanne University Hospital and at EPFL (École Polytechnique Fédérale de Lausanne)
Jocelyne_Bloch
Periodic structure of layers of two or more materials
) {\displaystyle m_{c}(z)} are periodic functions with the superlattice period d, the eigenstates are Bloch state f k ( z ) = ϕ q , k ( z ) {\displaystyle
Superlattice
Phenomenon from solid state physics
Bloch oscillation is a phenomenon from solid state physics. It describes the oscillation of a particle (e.g. an electron) confined in a periodic potential
Bloch_oscillation
Change in optical absorption by a semiconductor when an electric field is applied
2m}+V(\mathbf {r} )+{e \over m}\mathbf {A} \cdot \mathbf {p} } Then using the Bloch function | j k ⟩ = e i k ⋅ r u j k ( r ) {\displaystyle |jk\rangle =e^{\mathrm
Franz–Keldysh_effect
Joseph (Josef) Samuel Bloch (20 November 1850 in Dukla – 1923) was an Austrian rabbi and deputy of Polish descent. Bloch's parents, who were poor, destined
Joseph_Samuel_Bloch
Special case of the polylogarithm
} The function D(z) is sometimes called the Bloch-Wigner function. Lobachevsky's function and Clausen's function are closely related functions. William
Dilogarithm
Effect in quantum electronics
periodic Bloch function for the energy band edge in the bulk semiconductor and ϕ n ( z ) {\displaystyle \phi _{n}(z)} is a slowly varying envelope function for
Quantum-confined_Stark_effect
Optical filter
the solution. The band diagram is essentially a plot of k as a function of k0. The Bloch wave expansions in equations (1.2.1) are nothing more than exponential
Frequency_selective_surface
Measure of a substance's ability to resist or conduct electric current
power law function of temperature. Mathematically the temperature dependence of the resistivity ρ of a metal can be approximated through the Bloch–Grüneisen
Electrical resistivity and conductivity
Electrical_resistivity_and_conductivity
Model of a quantum/optical system
The Maxwell–Bloch equations, also called the optical Bloch equations describe the dynamics of a two-state quantum system interacting with the electromagnetic
Maxwell–Bloch_equations
Roman god of freshwater and the sea
and his followers Bloch and Schilling centre their interpretation of Neptune on the direct, concrete, limited value and functions of water. Salacia would
Neptune_(mythology)
Interface between magnetic domains
in one domain to that in the next, named after the physicist Felix Bloch. In a Bloch domain wall, the magnetization rotates about the normal of the domain
Domain_wall_(magnetism)
Classic entropy of a quantum-mechanical density matrix
proved Wehrl's conjecture for Bloch coherent states by generalizing it in the following manner. For any concave function f : [ 0 , 1 ] → R {\displaystyle
Wehrl_entropy
Approximation to shape of a point cloud
surface from the electronic Bloch spectral function evaluated at the Fermi level, as obtained from the Green's function in a generalised ab-initio study
Alpha_shape
American artist
Mark Bloch (born 1956) is an American conceptual artist, mail artist, performance artist, visual artist, archivist and writer whose work combines visuals
Mark_Bloch_(artist)
Models used to describe the behavior of metal alloys
eigenstates are the Bloch functions Ψk with energies ek. When the periodicity of the pure metal is destroyed by alloying, these Bloch states are no longer
Rigid-band_model
German politician and diplomat (1893–1946)
354. Bloch, p. 346. Bloch, p. 380. Bloch, pp. 350–351. Bloch, p. 351. Bloch, pp. 353–354. Bloch, p. 356. Bloch, pp. 356–357. Weitz, p. 291. Bloch, p. 397
Joachim_von_Ribbentrop
Describe the optical response of semiconductors
The semiconductor Bloch equations (abbreviated as SBEs) describe the optical response of semiconductors excited by coherent classical light sources, such
Semiconductor_Bloch_equations
Class of functions behaving "like" periodic functions
Weierstrass sigma function, which is quasiperiodic in two independent quasiperiods, the periods of the corresponding Weierstrass ℘ function. Bloch's theorem says
Quasiperiodic_function
Concept in quantum mechanics
H=-{\frac {d^{2}}{dx^{2}}}+U_{\alpha },} where Uα is a periodic function of period α. The Bloch spectrum of H is defined as the set of values E for which all
Bloch_spectrum
Electronic states at the surface of materials
wave function and its derivatives are applied. Since the potential is periodic deep inside the crystal, the electronic wave functions must be Bloch waves
Surface_states
Type of knot
and functions best when the object is fairly large compared to the diameter of the rope. Knot expert Geoffrey Budworth credits the knot to Amory Bloch Lovins
Vibration-proof_hitch
computed results can be viewed and analyzed. One can for example plot Bloch functions of nanotubes and crystals, molecular orbitals, electron densities,
Atomistix_Virtual_NanoLab
Probability distribution
distribution (after Hendrik Lorentz), Cauchy–Lorentz distribution, Lorentz(ian) function, or Breit–Wigner distribution. The Cauchy distribution f ( x ; x 0 , γ
Cauchy_distribution
Donald Bloch. New York: Brunner-Routledge, 1982. ISBN 978-0876302712. McDaniel, Susan H., and Campbell, Thomas L. “A Tribute to Donald A. Bloch, MD.” Families
Ackerman Institute for the Family
Ackerman_Institute_for_the_Family
German Chilean research psychologist
Susana Bloch Arendt (born 1931) is a German Chilean research psychologist whose focus is in neurophysiology and psychophysiology. She is known for creating
Susana_Bloch
Quantum-mechanical vector property in solid-state physics
cannot be derived using Noether's theorem. The phase modulation of the Bloch state ψ n ( x ) = e i k ⋅ x u n k ( x ) {\displaystyle \psi _{n}({\mathbf
Crystal_momentum
Aspect of theoretical physics
geometric properties of quantum states as functions of external parameters—most commonly the crystal momentum of Bloch-band eigenstates in a periodic solid
Quantum geometry (condensed matter)
Quantum_geometry_(condensed_matter)
Equivalence of partially ordered sets
subsequence of another permutation Bloch (2011); Ciesielski (1997). This is the definition used by Ciesielski (1997). For Bloch (2011) and Schröder (2003) it
Order_isomorphism
Area of mathematics
growth of a meromorphic function. Other main contributors in the first half of the 20th century were Lars Ahlfors, André Bloch, Henri Cartan, Edward Collingwood
Nevanlinna_theory
constructed from three permutations (Alantha Newman, Aleksandar Nikolov, 2011) Bloch–Kato conjecture (Vladimir Voevodsky, 2011) (and Quillen–Lichtenbaum conjecture
List of unsolved problems in mathematics
List_of_unsolved_problems_in_mathematics
French Resistance (1905–1999)
Jean Pierre-Bloch (born Jean-Pierre Bloch; 14 April 1905 – 17 March 1999) was a French Resistant of the Second World War as an activist, being a former
Jean_Pierre-Bloch
German teacher and politician (1890–1973)
book dealer Ludwig Bloch (1859–1939); his younger brother was the later district mayor of Berlin-Steglitz Peter Bloch. Werner Bloch graduated from the
Werner_Bloch
Muse of erotic and lyric poetry in Greek mythology
second half or "Iliadic" section of the poem. Muses in popular culture Bloch, para. 1. Apollonius Rhodius, Argonautica 3.1–5 Cartwright, Mark (24 June
Erato
Benjamin Marcus Bloch (Hebrew: בנימין מרכוס בלוך; April 1, 1900 – April 26, 1959) was an Israeli physicist, known mainly for his work at the Weizmann
Benjamin_M._Bloch
President of the United States (2017–2021; since 2025)
Violence". The New York Times. Retrieved January 20, 2025. Nacos, Shapiro & Bloch-Elkon 2020. Piazza & Van Doren 2022. Baker, Peter (December 1, 2022). "Trump
Donald_Trump
than he thought. 3 3 "Happy Birthdays" Philip Charles MacKenzie Lawrence Bloch April 10, 2002 (2002-04-10) 175102 9.33 Much to George's unpleasant surprise
List_of_George_Lopez_episodes
Soviet-Israeli-American mathematician
Korenblum, B. (1985). "BMO estimates and radial growth of Bloch functions". Bull. Amer. Math. Soc. (N.S.). 12: 99–102. doi:10.1090/S0273-0979-1985-15302-9
Boris_Korenblum
Large-scale brain network active when not focusing on an external task
; Scott, J. Cobb; Averill, Lynnette A.; Schweinsburg, Brian; Alexander-Bloch, Aaron; Martini, Brenda; Southwick, Steven M.; Krystal, John H.; Abdallah
Default_mode_network
Decomposition of periodic functions
as Bloch state. In order to develop f ( r ) {\displaystyle f(\mathbf {r} )} in a Fourier series, it is convenient to introduce an auxiliary function g
Fourier_series
Historical autism classification
Sukhodolsky DG, Bloch MH, Panza KE, Reichow B (November 2013). "Cognitive-behavioral therapy for anxiety in children with high-functioning autism: a meta-analysis"
High-functioning_autism
Programming paradigm based on applying and composing functions
are constructed by applying and composing functions. It is a declarative programming paradigm in which function definitions are trees of expressions that
Functional_programming
Short story by Jorge Luis Borges
Library of Babel (2008) by William Goldbloom Bloch explores the short story from a mathematical perspective. Bloch analyzes the hypothetical library presented
The_Library_of_Babel
Roman dialogue written in Ancient Greek
appreciation of Lucian than Bloch's generation". Like Bloch, Jope also performs an analysis of the vocabulary of the text, but contra Bloch, he shows that the
Amores_(Lucian)
Concept in condensed matter physics
to Bloch wave functions—that is, by adding two Bloch wave functions with slightly different momenta. The time evolution of a Bloch wave function is given
Anomalous_velocity
Quadruple stabbing in Moscow, Idaho, U.S.
homicides". Idaho Statesman. December 30, 2022. Retrieved December 30, 2022. Bloch, Emily; Vadala, Nick; Briggs, Ryan W.; Tornoe, Rob; Moran, Robert; Ruderman
2022_Idaho_student_murders
Shared fictional universe based on the work of H. P. Lovecraft
contemporary writers including Clark Ashton Smith, Robert E. Howard, Robert Bloch, Frank Belknap Long, Henry Kuttner, Henry S. Whitehead, and Fritz Leiber—a
Cthulhu_Mythos
Central organ of the human nervous system
188–189. ISBN 978-1-4614-4562-3. Ronan, L; Voets, N; Rua, C; Alexander-Bloch, A; Hough, M; Mackay, C; Crow, TJ; James, A; Giedd, JN; Fletcher, PC (August
Human_brain
Fundamental mechanical principles
start with an energy function called a Lagrangian describing the physical system. The accumulated value of this energy function between two states of
Action_principles
Mathematical theory about infinitely iterated function composition
Linda; Lakic, Nikola (2007). "Accumulation constants of iterated function systems with Bloch target domains". Annales Academiae Scientiarum Fennicae Mathematica
Infinite compositions of analytic functions
Infinite_compositions_of_analytic_functions
Swiss chemist (1919–2012)
spaced atoms Peierls considered first order perturbation theory with Bloch functions showing the instability, but he did not consider the self-consistency
Hans_Kuhn_(chemist)
Species of fish
usual scales, which are completely absent. Scutes are similar to scales in function, but differ in its formation: unlike the latter, which are formed from
Monocentris_japonica
Function that is tied to a particular instance or class
International Series in Computer Science. pp. 52–54. ISBN 0-13-629049-3. Bloch, Joshua (2018). "Effective Java: Programming Language Guide" (third ed.)
Method_(computer_programming)
Model of the extended complex plane plus a point at infinity
in other disciplines that depend on analysis and geometry, such as the Bloch sphere of quantum mechanics and in other branches of physics. The extended
Riemann_sphere
Almonte Milan, J. N.; Antoine, P.-O.; Marivaux, L.; Jimenez-Vasquez, O.; Bloch, J. (2025). "A South American sebecid from the Miocene of Hispaniola documents
2025 in archosaur paleontology
2025_in_archosaur_paleontology
Protein family
(H-NS), is one of twelve nucleoid-associated proteins (NAPs) whose main function is the organization of genetic material, including the regulation of gene
Histone-like nucleoid-structuring protein
Histone-like_nucleoid-structuring_protein
for the Riemann zeta function, such as Deligne's conjecture on special values of L-functions, the Beilinson conjecture, and the Bloch–Kato conjecture (on
Motivic_L-function
May 2015. Retrieved 4 January 2017. Wise, David (13 May 1990). "The Felix Bloch Affair: Did the K.G.B. Man Collect Stamps?". The New York Times. ISSN 0362-4331
List of people who disappeared mysteriously (1980s)
List_of_people_who_disappeared_mysteriously_(1980s)
Programming language concept
types. On the other hand, "function from Animal to String" is a subtype of "function from Cat to String" because the function type constructor is contravariant
Type_variance
Programming paradigm based on objects
paradigm based on objects – software entities that encapsulate data and function(s).[clarification needed] An OOP computer program consists of objects that
Object-oriented_programming
Genus of fishes
Alternatively, it has been hypothesized that they instead perform a hydrodynamic function, assisting the species that exhibit them with precision movements. This
Naso_(fish)
Mathematical tool in quantum physics
states are represented by points in the interior. This is known as the Bloch sphere picture of qubit state space. An example of pure and mixed states
Density_matrix
Description of a quantum-mechanical system
solid-state physics, the Schrödinger equation is often written for functions of momentum, as Bloch's theorem ensures the periodic crystal lattice potential couples
Schrödinger_equation
National mausoleum in Paris
February 2024. "Marc Bloch". www.liberationroute.com. Retrieved 2026-01-08. Histories, Medieval (2024-11-26). "The Remains of Marc Bloch to be moved to the
Panthéon
1939 diplomatic crisis between Poland and Nazi Germany
322. Bloch 1992, p. 228. Craig 1953, p. 436. Overy 1999, p. 125. Overy & Wheatcroft 1989, p. 56. Watt 1989, p. 385. Rothwell 2001, p. 106. Bloch 1992
Danzig_crisis
American painter (born 1973)
have been influenced by Gustav Klimt, in particular the Portrait of Adele Bloch-Bauer I. One commentator noted the similarity to fashion designed by Klimt's
Amy_Sherald
Study of the image of a horse as a symbol
carrying six warriors underwater as well as in the air. According to Raymond Bloch, this association, taken up in the Roman realm by Neptune, is then found
Horse_symbolism
American-Canadian children's animated preschool television series
'grandfather') who travels in his sailboat. O the Owl (voiced by Zachary Bloch in early season 1, Stuart Ralston from mid-season 1-2, Parker Lauzon in
Daniel_Tiger's_Neighborhood
Mental disorder
distress caused by the obsession, to the extent where it impairs general function. OCD has been described since antiquity and has affected numerous notable
Obsessive–compulsive_disorder
Mathematical entity to describe the probability of each possible measurement on a system
Gelfand–Naimark–Segal construction for more details. Atomic electron transition Bloch sphere Greenberger–Horne–Zeilinger state Ground state Introduction to quantum
Quantum_state
Periodic boundary condition in solid-state physics
as a periodic function with the Born–von Karman boundary condition and plugging in Schrödinger's equation results in a proof of Bloch's theorem, which
Born–von Karman boundary condition
Born–von_Karman_boundary_condition
7th episode of the 1st season of Star Trek: The Original Series
American science fiction television series, Star Trek. Written by Robert Bloch and directed by James Goldstone, it first aired on October 20, 1966. In
What Are Little Girls Made Of?
What_Are_Little_Girls_Made_Of?
Connection between computers or programs
Digital Computer contains the first published API specification. Joshua Bloch considers that Wilkes and Wheeler "latently invented" the API, because it
API
Chemical compound
S2CID 37400635. Monti-Bloch L, Diaz-Sanchez V, Jennings-White C, Berliner DL (April 1998). "Modulation of serum testosterone and autonomic function through stimulation
Pregna-4,20-dien-3,6-dione
BLOCH FUNCTION
BLOCH FUNCTION
Surname or Lastname
English
English : probably a habitational name from Lamplugh in Cumbria, an ancient Celtic name meaning ‘bare valley’, from nant ‘valley’ + bluch ‘bare’.
Boy/Male
Australian, Irish
Bright; Radiant
Male
Egyptian
, Functionary of the Interior.
Boy/Male
Buddhist, Indian, Japanese
Mysterious Function
Surname or Lastname
English
English : nickname for a short, fat man, from Middle English, Old French tronchon ‘piece broken off’ (Late Latin truncio, genitive truncionis, from truncus ‘lopped’, ‘cut short’). It is just possible that the nickname also denoted someone who carried a staff or cudgel as a symbol of office, but this sense of the word is not attested in English before the 16th century.French : from Old French tronson ‘block of wood’, perhaps a metonymic occupational name for a woodcutter.
Male
Celtic
, great justiciary, or functionary.
Surname or Lastname
English
English : topographic name for someone who lived on a small plot of land, from Middle English plocke ‘small piece of ground’.Americanized spelling of German Ploch.Variant of German Block.
Surname or Lastname
English, Scottish, and northern Irish
English, Scottish, and northern Irish : variant of Sand 1.Scottish : habitational name from Sands in Tulliallan in Fife.Comfort Sands, a revolutionary patriot born in 1748 at what is now Sands’ Point, Long Island, NY, was descended from James (Sandys) Sands (1622–95), who emigrated from Reading, Berkshire, England, to Plymouth, MA, and followed Anne Hutchinson to Westchester Co., NY, and subsequently RI. In 1661 he settled on Block Island, RI.
Biblical
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Surname or Lastname
English
English : occupational and topographic name for someone who lived or worked in a forest (see Forrest).English : Norman French nickname or occupational name from Old French forcetier ‘cutter’, an agent noun from forcettes ‘scissors’.English : occupational name, by metathesis, from Old French fust(r)ier ‘blockmaker’ (a derivative of fustre ‘block of wood’).German (Förster) : occupational and topographic name for someone who lived and worked in a forest (see Forst).Jewish (Ashkenazic) : ornamental name from German Forst ‘forest’.
Surname or Lastname
English
English : occupational name for a dresser of cloth, Old English fullere (from Latin fullo, with the addition of the English agent suffix). The Middle English successor of this word had also been reinforced by Old French fouleor, foleur, of similar origin. The work of the fuller was to scour and thicken the raw cloth by beating and trampling it in water. This surname is found mostly in southeast England and East Anglia. See also Tucker and Walker.In a few cases the name may be of German origin with the same form and meaning as 1 (from Latin fullare).Americanized version of French Fournier.Samuel Fuller (1589–1633), born in Redenhall, Norfolk, England, was among the Pilgrim Fathers who sailed on the Mayflower in 1620. He was a deacon of the church and until his death functioned as Plymouth Colony’s physician.
Surname or Lastname
English and Irish
English and Irish : apparently a topographic name from Middle English furlong ‘length of a field’ (from Old English furh ‘furrow’ + lang ‘long’), the technical term for the block of strips owned by several different persons which formed the unit of cultivation in the medieval open-field system of farming, or a habitational name from a minor place named with this word, such as Furlong in Devon or Shropshire. The surname is now chiefly common in Ireland, where a family of this name settled at the end of the 13th century.Possibly an Americanized form of French Ferland.
Surname or Lastname
English
English : topographic name for someone who lived by the gates of a medieval walled town. The Middle English singular gate is from the Old English plural, gatu, of geat ‘gate’ (see Yates). Since medieval gates were normally arranged in pairs, fastened in the center, the Old English plural came to function as a singular, and a new Middle English plural ending in -s was formed. In some cases the name may refer specifically to the Sussex place Eastergate (i.e. ‘eastern gate’), known also as Gates in the 13th and 14th centuries, when surnames were being acquired.Americanized spelling of German Götz (see Goetz).Translated form of French Barrière (see Barriere).In New England, Gates was the preferred English version of the name of an extensive French family, called Barrière dit Langevin.
Surname or Lastname
English
English : unexplained.Alternatively, perhaps, a respelling of German Blosch.
Surname or Lastname
English
English : ethnic name for someone from Scotland.English : from the rare Norman personal name Escotland, composed of the ethnic name Scot + land ‘territory’.Scottish : habitational name from a place called Scotland(well) near Loch Leven in Kinross.
Surname or Lastname
English
English : habitational name from Bloxham in Oxfordshire and Bloxholm in Lincolnshire, both of which are recorded in Domesday Book as Blochesham, from an unrecorded Old English byname Blocc (presumably referring to a large, ungainly fellow; compare Block 1) + Old English hÄm ‘homestead’.
Surname or Lastname
German (Blöcker)
German (Blöcker) : occupational name for a jailer (see Block 1).English : occupational name for a shoemaker or bookbinder (see Block); a person called Henry le Blocker is recorded in York in 1212. However, in some cases the English name is of German origin (see 1 above); the census of 1881 records, amongst others, a Herman Blocker and a John Blocker, both born in Germany.
Surname or Lastname
English
English : nickname from the animal, Middle English catte ‘cat’. The word is found in similar forms in most European languages from very early times (e.g. Gaelic cath, Slavic kotu). Domestic cats were unknown in Europe in classical times, when weasels fulfilled many of their functions, for example in hunting rodents. They seem to have come from Egypt, where they were regarded as sacred animals.English : from a medieval female personal name, a short form of Catherine.Variant spelling of German and Dutch Katt.
Surname or Lastname
German and Dutch
German and Dutch : from Middle High German bloch, Middle Dutch blok ‘block of wood’, ‘stocks’. The surname probably originated as a nickname for a large, lumpish man, or perhaps as a nickname for a persistent lawbreaker who found himself often in the stocks.English : possibly a metonymic occupational name for someone who blocks, as in shoemaking and bookbinding, from Middle English blok ‘block’.Jewish (Ashkenazic) : Americanized spelling of Bloch (see Vlach).Adriaen Coertsz Block was a Dutch-born merchant-explorer who traded along the CT coast and Long Island shortly after Hudson’s voyage to the region in 1609. Block Island, between the north fork of Long Island and RI, which he used as a base of operations, is named after him.
Surname or Lastname
English (chiefly Kent and Sussex)
English (chiefly Kent and Sussex) : occupational name for a designer or engineer, from a Middle English reduced form of Old French engineor ‘contriver’ (a derivative of engaigne ‘cunning’, ‘ingenuity’, ‘stratagem’, ‘device’). Engineers in the Middle Ages were primarily designers and builders of military machines, although in peacetime they might turn their hands to architecture and other more pacific functions.German : from the Latin personal name Januarius (see January 1). Jänner is a South German word for ‘January’, and so it is possible that this is one of the surnames acquired from words denoting months of the year, for example by converts who had been baptized in that month, people who were born or baptized in that month, or people whose taxes were due in January.
BLOCH FUNCTION
BLOCH FUNCTION
BLOCH FUNCTION
BLOCH FUNCTION
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