Alphabetical index of terms in ETC

César E. Lozada - December 23, 2019

Last update: 2021-08-15 - Revision 8 up to X(44000) - Total references: 870

                                                  





A

Aiyar-circle X(13870) anti-altimedial triangles X(15015) antigonal images X(37831) areal centers X(35307)
Ajima-Malfatti points X(179) anti-Artzt circle X(11168) antiparallels conics X(41380) Aries triangle X(5596)
altimedial triangle X(15015) anti-Artzt triangle X(11147) antitomic conjugate X(14941) Artzt circle X(11168)
Altintas circle X(20033) anti-McCay triangle X(8587) Antlia triangle X(5574) Artzt triangle X(9742)
Altintas hyperbola X(15449) anti-orthocentroidal circle X(467) apedal conic X(8268) Ascella triangle X(8726)
Altintas-isodynamic triangles X(41016) anti-triangles X(11363) apollonian circles of mixtilinear triangles X(8162) ATFF points X(10129)
Altintas-Lozada-Neuberg line X(35049) anti-triangles X(18909) Apollonius point X(181) Atik triangle X(5927)
always perspective triangles X(15428) anti-Ursa minor triangle X(23291) Apollonius tangent line X(2254) Atik triangle X(8580)
always-orthologic triangles X(36958) anti-Wasat triangle X(21616) Apus triangle X(5584) Auriga triangles X(5597)
Andromeda triangle X(5573) anticenter X(10276) Aquarius conic X(5585) Ayme perspector X(3657)
Anna's circle X(34768) anticevian-associated cubic X(40853) Aquila triangle X(5586) Ayme triangle X(3610)
answer to question A X(554) antigonal conjugate X(14941) Ara triangle X(5594) Ayme-Moses perspectors X(3610)

B

Bailey point X(401) Bevan point X(40) Blaikie transform X(903) Brocard triangles 7th, 8th, 9th X(39643)
Bankoff equilateral triangle X(34551) Bevan-antipodal triangle X(34488) Bloom point X(40139) Brocard(P,U)-harmonic conjugate of X X(14953)
barycentric cubes X(23606) Bevan-Schroeder point X(1319) Bradley bicevian points and axes X(41202) Brocard-Euler points of type 1 X(21509)
barycentric product of circumcircle antipodes X(32640) bi-anticevian conics X(35513) Brisse transform X(1354) Brocard-Kiepert-Fermat cusp X(3411)
barycentric square of the Euler line X(36412) bicentric pairs, circles through X(35374) Brocard antipedal hyperbola X(43702) Brocard-Lemoine conic X(14941)
barycentric squares X(23582) bicentrically induced harmonic conjugates X(14953) Brocard axes concurrences X(15766) BSS X(14078)
barycentric squares X(23962) bicevian triangles X(40632) Brocard axis intercepts 37469-37517 X(37469) Burek concurrent circles images X(5523)
barycentric symbolic substitution (BSS) X(14078) bipedal circumcentral conic (BPC conic) X(41537) Brocard equilateral triangle X(3104) Burek-cevian conic X(5777)
Beltrami-Euler point X(3568) bipedal circumcentral line (BPC-line) X(41537) Brocard midpoint X(39) Burgess point X(1133)
Beltrami-Parry point X(3569) bireflection circumcentral conic (BRC-conic) X(41684) Brocard point, 3rd X(73)
Beth conjugates X(1393) bireflection circumcentral line (BRC-line) X(41684) Brocard square X(3102)
Bevan antipodal triangle X(223) bisecting circle X(7623) Brocard triangles 7th, 8th and 9th X(39801)

C

Caelum triangle X(5602) CIR(U) X(2365) circumparabola with center X(513), points on X(42921) Conway 2nd triangle X(9776)
Calaeno points X(30103) circle of similitude X(8072) circumparabola with infinite center X(43935) Conway 3rd, 4th, 5th triangles X(10434)
Caucasian points X(41890) circlecevian perspectors X(39389) circumparabolas, foci of X(38017) Conway circle, points associated X(38473)
CCC cubics X(40718) circlecevian triangle X(34520) circumperp conjugate X(18859) Conway inner triangle X(11677)
center of involution X(14782) circles inversion circles X(39486) circumtangential-isogonal conjugates X(8666) Conway triangle X(7411)
center of similitude X(7693) circles inversion circles X(39559) Clawson point X(19) Crimean points X(41890)
central angle points X(42614) circles inversor X(5577) Clifford (4)/(5)/(6) centers X(11634) cross-perspeconics X(15648)
centroid X(2) circles through couples of bicentric pairs X(35374) co-Brocard circles X(43118) cross-triangles X(10290)
centroid of curvatures X(31393) circles through X(13) and X(14) X(42731) coefficient point X(8551) crosssums of circumcircle-P-antipodes X(38957)
centroid of three points on the circumcircle X(35258) circum-eigencenters X(6570) collineation images X(16544) cubic K1230, points on X(43448)
centroidal conics X(10153) circum-eigentransform X(6570) collineation images X(16678) cubic K588, centers on X(42676)
centroidal triangles X(10153) circum-Euler-points X(38723) collineation images X(17043) cubic X(24727) X(24727)
centroids of quadrilateral X(6666) circumcenter X(3) collineation images X(17134) cubic X(24733) X(24733)
centroids of triangles with central vertices X(38021) circumcenters of circumcevian polar triangles X(39382) collineation images X(17738) cubics, points on X(39693)
CET(U) X(6570) circumcenters of circumcevian polar triangles X(39628) collineation images on the Euler line X(16286) cubics, points on X(39765)
Ceva conics, 1st X(40530) circumcevian triangles and their inverses X(43344) collineations inverse-images X(18588) cubics, points on X(39942)
Ceva conics, 2nd X(40578) circumcevian-inversion triangle X(34864) Collings transform X(1286) cubics, points on X(39994)
cevapoint conics X(40462) circumcevian-inversion triangle of X(3) X(35237) common circumconics X(14713) cubics, points on X(40009)
cevian centroid isogonal perspectors X(39667) circumcircle inversion circles X(39475) congruent incircles isoscelizer point X(258) Cullen cubic K369 X(42413)
cevian-circumconic triangles X(36598) circumcircle-F-antipode of U X(26700) congruent incircles point X(5394) cyclologic centers X(34578)
cevian-cross triangle X(40718) circumcircle-inverses of points on the Euler line X(37896) congruent shrunk insquares points X(585) cyclologic centers X(37743)
cevian-cross triangles X(40840) circumnormal-isogonal conjugates X(8715) congruent squares point X(371)
cip transform X(39371) circumorthiac triangle X(40928) conjugate-couple X(14782)

D

Danneels perspectors X(3119) Dao-bipedal conic / perspector X(18840) De Longchamps line, points on X(35516) Dosa point X(3554)
Danneels points X(3078) Dao-image X(15345) De Longchamps point X(20) Dou circle X(155)
Danneels points X(8012) Dao-Lester circles X(42740) De Villers point, 1st X(1127) Dou circle X(9718)
Danneels-Apollonius perspector X(2092) Dao-Lozada tangential perspector X(42622) De Villers point, 2nd X(1128) double-points of an involution X(14782)
Dao (a, b, c, R) perspector X(6188) Dao-Moses-Telv circle X(6103) Dedalus point X(40141) Droussent pivot X(316)
Dao circle X(10097) Dao-Parry circles X(42740) degree 3-centers with coefficients in {-1,0,1} X(32771) dual of the circumcircle, points on X(36789)
Dao equilateral triangles, 1st & 2nd X(16038) Dao-perspeconics X(40051) dilations of points on the circumcircle to other circles X(38497) dual of the incircle, points on X(36795)
Dao perspector X(18212) Dao-symmedial circle X(5092) dilations of points on the circumcircle to other circles (38551-38719) X(38551) Dual triangles X(2979)
Dao point X(10097) Dao-Vecten circles X(6118) direction of vector X(527) duple triangles X(30543)
Dao twelve Euler lines point X(4240) Darboux image X(5881) Dixit points X(3590)
Dao-6 point circle X(5569) Darboux quintic point X(11589) Dolgirev-Hatzipolakis-Lozada point X(6585)
Dao-Apollonius circles X(13443) DC and CD points X(2979) dominican images X(5565)

E

Ehrmann 2nd triangle X(8537) elestrostatic potential center X(5626) ET(U) X(2120) eulerologic triangles and centers X(10237)
Ehrmann circle X(34112) ellipsologig centers X(34773) Euler infinity point X(30) Evans conic, points on X(41943)
Ehrmann circles X(8537) endo homothetic centers X(7581) Euler line intercepts 37009-37127 X(37009) Evans perspector, 1st X(484)
Ehrmann congruent squares point X(1144) Eppstein points X(481) Euler line intercepts 37144-37201 X(37144) Evans perspectors X(1276)
Ehrmann pivots / triangles X(18300) equal areas isoscelizer point X(364) Euler line intercepts 37224-37468 X(37224) Evans point X(1374)
Ehrmann point, 3rd X(1145) equal detour point X(176) Euler lines concurrences X(15766) even infinity point X(696)
Ehrmann points X(973) equal perimeters isoscelizer point X(363) Euler substitutions points X(409) excosine circle / conic / triangles X(17807)
Ehrmann-Lozada ellipse X(9731) equi-Brocard center X(368) Euler(P,U)-harmonic conjugate of X X(14953) Exeter point X(22)
Eigencenters X(2120) equiareality center X(5373) Euler-Morley-Zhao point X(5390) extouch triangles 2nd to 5th X(5927)
eigencenters of circumcevian/circumanticevian triangles X(39412) equicenters X(38344) Euler-Vecten-Gibert points X(2041) extra triangles X(7001)
eigentransform X(2120) equilateral cevian triangle point X(370) eulerologic centers 2 X(16189)

F

Far-out point X(23) Fermat-Dao equilateral triangles, 15th & 16th X(16960) Fermat-Dao-Nhi triangles, orthologic centers X(36318) Fregier points X(30181)
Farhangi-cyclocevian images X(8043) Fermat-Dao equilateral triangles, 1st & 2nd X(16247) Feuerbach antipode X(119) Fuhrmann center X(355)
Fermat point X(13) Fermat-Dao equilateral triangles, 3rd & 4th X(16267) Feuerbach line X(5499) Fuhrmann triangles X(16112)
Fermat triangles, inner/outer X(16646) Fermat-Dao equilateral triangles, 5th & 6th X(16459) Feuerbach point X(11)
Fermat-Dao equilateral triangles, 11th & 12th X(16626) Fermat-Dao equilateral triangles, 9th & 10th X(16536) Feuerbach quadrangle X(10276)
Fermat-Dao equilateral triangles, 13th & 14th X(16636) Fermat-Dao-Nhi triangles X(33602) Feuerbach tangent line X(2254)

G

G mapping X(3112) generalized Paasche conics, points Associated X(38310) Gibert points on the cubic K1200 X(42472) Gibert-Moses centroid X(21153)
g-triangles X(41394) Gergonne line extraversion triangle X(10180) Gibert points on the cubic K1204 X(42594) Gibert-Simson transform X(2394)
Gallatly circle X(2007) Gergonne line, points on X(43034) Gibert points on the cubic K1207 X(42725) Gibert-Simson transforms X(15411)
gamma triangle X(15915) Gergonne point X(7) Gibert points on the cubic K1208 X(42773) Giugiuc center of similitude X(7666)
gamma-center of similitude X(15915) Ghoicas-Lozada image X(14815) Gibert points on the cubic K1220 X(43193) golden arbelos points X(2671)
Garcia Capitan circles X(11065) Gibert (i,j,k) points X(42085) Gibert points on the cubic K1224 X(43292) Gosssard perspector X(402)
Garcia inner and outer triangles X(5587) Gibert -Neuberg perspectors X(8172) Gibert points on the cubic K1225 X(43324) greatest area circumscribed equilateral triangle X(9114)
Garcia points X(5550) Gibert circumtangential conjugates X(8616) Gibert points on the cubic K1226 X(43364) Grebe circle X(33703)
Garcia reflection triangle X(15995) Gibert point X(1141) Gibert points on the cubic K1228 X(43397) Grebe point X(6)
Garcia-Feuerbach points X(5550) Gibert points X(42562) Gibert points on the cubic K1229 X(43416) Greenhill circle X(11041)
Gemini triangle 111, associated points X(40896) Gibert points associated with the KHO hyperbola {{X(2),X(4),X(15),X(16),X(316)}} X(43457) Gibert points on the cubic K1232 X(43769) Greenhill point X(1159)
Gemini triangles 001-040 X(24537) Gibert points on cubics K1194-K1201 X(42488) Gibert points on the cubic K1234 X(43869) Griffiths points X(1373)
Gemini triangles 041-060 X(26153) Gibert points on cubics K1206a and K1206b X(42682) Gibert points on the KHO cubics K1215-K1217 X(42940) Grigoriev conics X(5430)
Gemini triangles 061-100 X(27378) Gibert points on the Brocard-Kiepert quartic, Q073 X(42537) Gibert points on the KHO quartic Q168 X(42557) Grinberg homothetic centers X(1383)
Gemini triangles 101-111 X(30738) Gibert points on the cubic K1191 X(42625) Gibert quadratic transformations and inverses X(41231) Grinberg point, 1st X(1122)
Gemini triangles, associated perspectors X(36849) Gibert points on the cubic K1196 X(42429) Gibert-Burek-Moses concurrent circles images X(5524) Grozdev-Dekov circles X(11615)

H

H-transform X(10025) Hatzipolakis-Lozada midpoint X(10095) hodpieces X(40139) Hung-Montesdeoca radical center X(10206)
h-triangles X(41394) Hatzipolakis-Lozada nine-point image X(6583) Hofstadter inellipse X(42074) Hung-Montesdeoca-Moses point X(10208)
h-triangles X(41431) Hatzipolakis-Lozada point X(10216) Hoftstadter one point X(359) Hung-Soddy touchpoints X(6135)
Haedus transform X(35182) Hatzipolakis-Lozada quintic X(10095) Hoftstadter zero point X(360) Hutson centroidal ellipse X(5943)
half-circumcevian triangle X(11615) Hatzipolakis-Lozada triangle X(6344) homo-perspeconic X(17410) Hutson ellipse X(5483)
half-diamonds triangles X(33338) Hatzipolakis-Lozada-Euler reflection point X(6343) homologous images X(6724) Hutson inner triangle X(363)
half-diamonds-central triangles X(33338) Hatzipolakis-Lozada-Fermat points X(10217) homothetors involving the Ehrmann mid-triangle X(36718) Hutson outer triangle X(363)
half-squares triangles X(33338) Hatzipolakis-Lozada-Kosnita point X(6584) homothetors involving the Euler triangle X(36651) Hutson right hyperbolas, stationary points X(38001)
harmonic center X(8072) Hatzipolakis-Moses circumcenter X(6637) homothetors involving the infinite altitude triangle X(36697) Hutson-extouch triangle X(5731)
harmonic of one point X(566) Hatzipolakis-Moses images X(7680) Honsberger triangle X(7670) Hutson-Feuerbach points X(3614)
harmonic traces X(8072) Hatzipolakis-Moses images X(10263) HR-ellipse X(34603) Hutson-intouch triangle X(5731)
Hatzipolakis 3rd triangle X(17817) Hatzipolakis-Moses nine-point image X(12824) Hung circle X(5944) Hutson-McCay points X(7611)
Hatzipolakis axis X(18039) Hatzipolakis-Moses triangle X(6145) Hung circle, inner X(5955) Hutson-Moses hyperbola X(5376)
Hatzipolakis-Euler-Moses point X(6143) Hatzipolakis-Moses-Euler centroids X(7667) Hung circle, outer X(5956) Hutson-Wolk points X(5597)
Hatzipolakis-Euler-Schiffler point X(5424) Hatzipolakis-Moses-Euler centroids X(7734) Hung-Feuerbach triangle X(5973) Hyacinth triangle X(10111)
Hatzipolakis-Lozada circle X(10222) Hatzipolakis-Van Tienhoven triangles X(6120) Hung-Lozada cyclologic center X(10214)
Hatzipolakis-Lozada homothetic centers X(7603) Hex2T circles X(10137) Hung-Lozada-Euler point X(10210)
Hatzipolakis-Lozada images X(6583) Hiriart-Urruty minimizer X(5544) Hung-Montesdeoca perspector X(10207)

I

IE59 X(12835) inner Vecten point X(486) inverse-in-excircles triangle X(8055) isodynamic points X(15)
incenter X(1) intersections of inconics X(24973) inverse-in-incircle triangle X(5571) isodynamic-Dao equilateral triangles X(16802)
incircle transform X(3318) intriangles and extriangles centers X(30514) inverses of triangles Gemini 15 and 16 X(43213) isodynamic-Dao equilateral triangles, 3rd & 4th X(31683)
incircle-circles triangle X(11034) inverse Gemini triangles X(43260) inverter of rwo circles X(5577) isogonic points X(13)
inconics, perspectors X(18810) inverse triangles X(42005) involution X(14782) isoperimetric point X(175)
infinite difference point X(23870) inverse-in-Conway circle triangle X(10439) IO line intercepts 37520-37625 X(37520) isoscelicer points X(503)

J

Jenkins tangential triangle X(37865) Johnson inner/outer triangles X(10522) Johnson-Yff circle X(1478)
Jerabek antipode X(113) Johnson midpoint X(495)

K

K-transform X(10025) Kenmotu point X(371) Kiepert point X(1131) Kiss-Moses mapping X(43390)
K1151, points of the cubic X(36926) Kenmotu-Van Lamoen points X(588) Kirikami concurrent circles images X(5503) KM and MK special perspectors X(43803)
K229 Moses images X(23342) KHM cubic X(14459) Kirikami concurrent circles images, 2nd kind X(5508) KM and MK special perspectors X(43816)
K244 Moses images X(23097) KHM(P) X(14459) Kirikami points X(3640) KM and MK special perspectors X(43845)
K635 Moses images X(23352) Kiepert antipode X(114) Kirikami six circles image X(5509) KM triangles X(43584)
Kenmotu diagonal triangles X(31) Kiepert cevian triangle X(4444) Kirikami-Euler image X(5485) Kosnita point X(54)
Kenmotu free vertices triangle, 1st X(12375) Kiepert image X(13486) Kirikami-Euler-Lemoine points X(5621) Koutras-Hatzipolakis-Moses points X(14459)
Kenmotu free vertices triangle, 2nd X(12376) Kiepert infinity points X(3413) Kirikami-Kosnita-Euler point X(10211) KS(U) X(3647)
Kenmotu homothetic centers X(5412) Kiepert parabola, focus X(110) Kirikami-Schiffler points X(3647)

L

L(P,U)-harmonic conjugate of X X(14953) Lemoine-Dao triangles X(16940) Loud points X(9118) Lucas antipodal triangle X(6457)
largest-circumscribed-equilateral triangle X(36761) Lester circle X(1116) Lozada circles X(9729) Lucas Brocard triangle, X(6421)
Le Viet An equilateral triangles X(14169) Lester-Moses points X(15535) Lozada conics X(9724) Lucas polar perspectors X(5406)
Le Viet An, inner- and outer circles X(43961) Leversha point X(14070) Lozada perspectors X(6056) Lucas reflection triangle X(6401)
least area circumscribed equilateral triangle X(9114) line-reflected triangles X(30715) Lozada perspectors, 2nd X(41279) Lucas secondary circles X(6199)
Lemoine axis, points on X(42658) Lionheart-Moses k-image X(25045) Lozada-Euler point X(7580) Lucas triangles, more X(6199)
Lemoine homothetic center X(3066) Liu points X(3598) Lozada-McCay points X(7613) Lucas(t) homothetic triangle X(493)
Lemoine point X(6) Longet-Higgins, point X(962) Lucas antipodal tangents triangles X(9723)

M

M(U) points X(6129) Mittenpunkt X(9) Morley-Gibert points X(1507) Moses-Jerabek conic X(34426)
MacBeath points X(2967) mixtilinear incentral triangle X(7955) Morley-Kirikami points X(5454) Moses-Kirikami image X(3589)
Maia points X(552) mixtilinear triangles X(7955) Morley-Taylor-Marr centers, 1st and 2nd X(357) Moses-Lemoine conic X(34426)
Malfatti-Rabinowitz points X(1142) MJC Moses-Jerabek conic X(34426) Morley-Taylor-Marr centers, 3rd to 6th X(1134) Moses-Lucas circles X(6522)
maltitudes X(10276) MLC Moses-Lemoine conic X(34426) Morley-Van Tienhoven points X(5628) Moses-Steiner ellipse X(6069)
Mandart-excircles triangles X(10974) Montesdeoca conic X(5702) Moses circle X(1015) Moses-Steiner image X(6069)
Mandart-incircle triangle X(6018) Montesdeoca degenerate conics point X(8183) Moses code X(17226) Moses-Steiner ortho-image X(6069)
McCay triangle X(7606) Montesdeoca equilateral triangles X(5618) Moses conics X(36949) Moses-Steiner reflection triangle X(34505)
mid-arc points X(177) Montesdeoca-Euler points X(42789) Moses hull circle X(6048) Moses-Steiner tangential-image X(6069)
mid-cevian cubics X(36814) Montesdeoca-Hung triangle X(6042) Moses osculatory triangle X(34505) Moses-Yff image X(14163)
mid-cevian cubics X(36871) Montesdeoca-Lemoine circles X(8160) Moses points on the Euler line t-uplas X(17669) Muscovite points X(41890)
mid-trace triangles X(36810) Morley center X(356) Moses radical circle X(6111) mutual polar conic X(32559)
mid-triangles X(10290) Morley conic X(16271) Moses-Apollonius ellipse X(34453) Myakishev conic X(3588)
midcevian triangles X(40674) Morley midpoint triangles X(3602) Moses-Euler Point X(14030)
Mimosa transform X(1707) Morley-adjunct-midpoint triangles X(16839) Moses-Hung triangle X(6044)
Miquel point X(501) Morley-Gibert perspectors X(3608) Moses-Hung-circle X(6044)

N

N-obverse triangles X(24310) Napoleon points X(17) Nguyen-Euler points X(14226) nine-point-circle-inverses of points on the Euler line 37981-37990 X(37981)
Nagel point X(8) Nguyen images X(14206) Nguyen-Moses circle X(14538) NK transform X(2081)
Nagel-Schröeder point X(1339) Nguyen orthoimage X(14538) Nguyen-Moses image X(14483)
Napoleon cevapoint X(1487) Nguyen rectangle X(14206) nine-point circle, points on X(42422)
Napoleon crosssum X(1493) Nguyen X-triangle X(14538) nine-point-center X(5)

O

obverse triangle of X(69), associated perspectors X(40921) orthic axes triangle X(2501) orthocevian triangles X(8601) orthoparallelogic conic X(31353)
obverse triangle of X(69), perspectors X(39144) orthoanticevian triangles X(8635) orthocorrespondents X(1992) orthopolar circle / conic X(31727)
obverse triangles X(24307) orthoarmonic X(566) orthogonal points X(566) orthosymmedial circle X(5480)
odd infinity point X(768) orthoassociate X(5523) orthojoins X(1512) orthosymmedial triangles X(6792)
Odehnal tritangent circles X(3822) orthocenter X(4) orthologic conic / orthologic tangential-conic X(31353) osculatory triangle X(34924)
Odenhal points X(3596) orthocentric triangle X(5484) orthologic pedal triangles X(41537) Osiris points X(40328)
Orion transform X(2055) orthocentroidal triangle X(5476) orthologic reflection triangles X(41684)

P

Paache-Myakishev ellipse X(5393) paratriangles X(40853) perspeconics X(34807) power curve, Ceva conjugates associated X(40359)
Paache-Myakishev-Moses conic X(5405) Parry 2nd and 3rd triangles X(9123) perspectors of inconics X(18810) power curve, complements and anticomplements associated X(40376)
Paasche conic X(37861) Parry circle X(351) PK transform X(2081) power point, 4th X(560)
Paasche ellipse, associated points X(37994) Parry point X(111) Pohoata point X(3333) power points X(31)
Paasche point X(1123) Parry reflection point X(399) Pohoata-Dao-Moses circles X(5607) Prasolov point X(68)
Paasche triangles, associated points X(39311) Parry-Pohoata point X(399) points associated with the cubic pK(X(50),X(1)) X(35197) Privalov conic X(5451)
Paasche-Hutson triangle X(37994) Parry-Pohoata point X(8157) points on the circumellipse with center X(9) X(37128) product triangles X(42285)
Pamphilos-Zou triangles X(7594) pedal triangle of the centroid X(40670) points on the line X(2)X(37) X(42698) product triangles X(42464)
Pappus pivot X(6179) pentagon points X(1139) points with 1st barcentric b^3 +k a b c+c^3 X(25957) products X(i)*T X(42437)
Pappus points X(3557) permutation ellipse X(35025) pointwise barycentric cubes X(23606) Psi-transformed X(14649)
parallelogic conic / parallelogic tangential-conic X(31353) permutation ellipse E(X(4440)) X(39345) polar co-center point X(19901) Pulcherrima point X(39131)
parallels-perspeconic X(42819) permutation ellipse of X(6), points on X(35963) polar co-centric triangles X(19901) Pythagorean conic X(43630)
parallels-tangential-conics X(37869) permutation ellipses of X(1), points on X(36215) polarologic centers X(42287)
parapoint X(40843) permutation ellipses, inverses in X(41133) polelogic centers X(42287)
paratriangles X(40843) perspeconics X(15254) power curve X(40297)

Q

quadsquare triangles X(8953)

R

range in involution X(14782) reciprocal polar conic X(34936) Rigby-Lalescu orthopole X(1594)
Rasalgheti points X(39229) Rigby points X(1371) RS points X(2677)

S

Saragossa points X(1165) Shadow point X(1479) special dilation triangle X(40911) Steiner parabolas X(41301)
Schiffler circles X(14526) Sharigyn point, 2nd X(291) Spieker center X(10) Steiner point X(99)
Schiffler point X(21) Sharygin Olympiads, centers X(41890) square of the circumcircle X(41932) Stevanovic perspectors X(2090)
Schiffler triangles X(6595) Sharygin points X(1281) square root point X(365) Stevanovic point, 1st X(1130)
Schmidt-Lozada cyclologic center X(10215) Sharygin triangles X(8229) SR points X(2677) Stevanovic points X(1488)
Schoute circle X(12017) Sherman line, points on X(42750) SS X(3221) Stevanovic points X(3021)
Schröeder point X(1155) Siberian points X(41890) Stammler reflection hyperbola X(35537) submedial triangle X(9813)
Schroeter triangle X(8286) Simmons inconics, points on X(41993) Steiner curvature centroid X(1115) Suren-Moses equilateral-triangle circumcevian-inversion points X(36241)
secondary pre-circumcevian-inversion point X(35000) simpedal point / triangle X(14870) Steiner ellipses, osculating circles X(39300) Suren-Shourya major points X(39624)
secondary pre-circumcevian-inversion points X(35447) Simson lines, intersections on the nine-point circle X(35579) Steiner ellipses, real and imaginary foci X(39158) symbolic substitution SS X(3221)
self-dual permutation ellipse X(39103) singular foci of cubics X(14649) Steiner ellipses, vertices X(39202) symmetric trapezium UOH'U' X(43388)
self-dual permutation ellipse X(41133) SM points X(2855) Steiner equilateral triangles X(6069) symmetric triangle X(15912)
self-hologous point X(7693) Soddy inner/outer triangles, 2nd X(31528) Steiner image X(13610)
self-inverse Gemini triangles X(31610) Soddy triangle X(31528) Steiner midellipse X(36521)
self-inverse Gemini triangles X(31644) Soddy-Gorgonne points X(3638) Steiner midway ellipse (SME) X(41133)

T

T mapping X(3112) TCC perspectors X(1601) tri-equilateral inner/outer triangles X(10631) Trinh triangle X(7688)
T(k) triangles X(36436) TCCT-images X(15607) tri-squares triangles X(13637) triply bilogic inscribed triangles X(32462)
T(k) triangles, symmetric/homogeneous function X(36473) Terquem conjugate X(8043) tri-squares triangles, 2nd X(13757) tripolar centroids X(1635)
T(k, n) triangle X(5858) Terzic circle X(41155) tri-squares triangles, 3rd & 4th X(13873) tripolar coordinates X(32751)
T-isogonal-axes X(42287) Terzic circle X(41163) triangulation X(15766) trisected perimeter center, 1st X(369)
Talitha triangles X(34016) tetrahedral projection X(40236) triaxial point X(14272) trisected perimeter center, 2nd X(3232)
tangential midarc triangles X(6732) thinlne X(15670) trilinear N-obverse triangles X(24519) trisection ellipse X(36436)
tangential midarc triangles X(8075) Thomson-Gibert-Moses hyperbola X(5642) trilinear obverse triangles X(24482) trisector ellipse X(41133)
tangential perspeconics X(15808) Tixier antipode X(477) trilinear permutation conic X(36256) Tucker (X,p)-circle X(12835)
tangential power curve X(40345) Tixier point X(476) trilinear permutation conic of X(1054) X(39335) Tucker parameter X(13323)
Tarry point X(98) Torricelli point X(13) trilinear products of circumcircle-P-antipodes X(36033)
TC conics X(36404) tri-equilateral inner/outer circles X(10631) trilinear squares X(23993)

U

U(k, n) triangle X(5858) U-Hodpieces X(40212) Ursa minor/major triangles X(17603)
U(P) circles X(6129) U-Van Lamoen circles X(8176)

V

V transforms on the circumcircle X(36514) Vietnamese lines, trilinear poles of X(39274) Vu (P,U)-circles perspectors X(38536) Vu P-cirumcircle points X(38451)
V(P) circles X(6137) Vietnamese points X(39177) Vu antipedal translations X(38305) Vu parallels conics X(40197)
Van Lamoen circle X(1153) Vijay parallel transforms X(43970) Vu cevian tangential perspectors X(38809) Vu PCC perspectors X(38900)
Van Lamoen circumcenters point X(592) Vijay reflected squares point X(37838) Vu cevian-circles perspectors and related cyclocevian conjugates X(38825) Vu pedal translations X(38005)
Van Lamoen homothetic centers X(493) Vijay-Paasche midpoints perspector X(37881) Vu circlecevian point X(34892) Vu pedal-centroidal circles X(38317)
Van Lamoen perpendicular bisectors point, 1st X(591) Vijay-Paasche tangents perspector X(37884) Vu circles X(37806) Vu points X(34520)
Vecten point X(485) Vijay-Paasche-Hutson triangles X(37994) Vu circumcevian-orthocenter perspectors X(38331) Vu poles X(37756)
Vecten triangles, 2nd & 3rd X(32488) Vijay-Paasche-Hutson triangles X(38487) Vu circumcevian-orthocenter, 2nd perspectors X(38336) Vu T-transform X(34914)
Vega transform X(1981) Vijay-Paasche-Hutson triangles, associated points X(39607) Vu isodynamicpPerspectors X(39402) Vu tangential transforms X(38848)
vertex conjugates X(3415) Vu (k)-conics X(38433) Vu isogonal perspectors X(39453) Vu-Dao-isodynamic equilateral triangles X(5478)
Vietnamese circles X(39210) Vu (P,U)-circles X(38457) Vu orthogonal conics X(40306) Vu-Lozada QA-points X(38247)

W

Wabash center X(364) Walsmith triangle X(32217) Weill point X(354) Wolk-Feuerbach point X(5532)
Walsmith points X(5000) Walsmith-Moses points X(5002) Wernau points X(1337)
Walsmith rectangular hyperbola X(32110) Wasat triangle X(21616) Wolk perspector X(5506)

X

X(1)X(5) line intercepts 37691-37740 X(37691) X-parabola X(12064) Xcom(T) X(3663)
X(2)X(6) line intercepts 37636-37690 X(37636) X-parabola-tangential triangle X(12064)

Y

Yff parabolic point X(190) Yiu angle point X(848) Yiu reflection point X(5627) Yiu-Hutson conic X(14379)
Yff tangents inner/outer triangles X(10527) Yiu conic X(478) Yiu tangents triangle X(7495)
Yff-Malfatti point X(400) Yiu infinity points X(39469) Yiu-Hatzipolakis point X(1148)

Z

Zana point X(40140) Zaniah triangles X(18214) Zeeman-Gossard perspector X(402) Zosma transform X(1824)