Abstract: A non-transitory computer-readable recording medium stores a contract program causing a computer to execute a process including: setting, for accepted sell order and buy order, information based on the accepted sell order and buy order to an element of one array specified by counting an order count of one order of the sell order and the buy order as a plus, and counting an order count of the other order of the sell order and the buy order as a minus; and specifying an order to be a contract target among the accepted sell order and buy order, based on the information set in the one array.

Abstract: The present disclosure has a configuration in which a distributor who performs a separate distribution that is different from this live content, or a viewer who views this separate distribution can participate in a virtual space and express intent or participate in visual recognition through the commitment of a virtual item.

Abstract: A recording medium stores a program causing a computer to execute a process including: setting, for each order having a condition that a contract count is designated, a polynomial having a contract count under the condition; representing an order status in which the orders are combined, with a polynomial on a finite field having a remainder obtained by dividing a coefficient of each term in a polynomial obtained by multiplying the polynomials corresponding to the orders; updating the polynomial on the finite field to a polynomial on a finite field representing an order status after a first order is combined, by multiplying the polynomial by a polynomial corresponding to the first order; and detecting an error in the polynomial after the update when a coefficient which is not 0 of a term in the polynomial before the update is 0 in the polynomial.

Abstract: A non-transitory computer-readable recording medium stores a contract program causing a computer to execute a process including: setting, for each of a sell order and a buy order having a condition that a contract count is designated, a first polynomial having a contract count designated under the condition of one order of the sell order and the buy order as a positive exponent, and a second polynomial having a contract count designated under the condition of the other order of the sell order and the buy order as a negative exponent; representing an order status in which the sell order and the buy order are combined, with one polynomial on a finite field by a product of the first polynomial and the second polynomial; and specifying a sell order and a buy order for making a contract based on the one polynomial on the finite field representing the order status.

Abstract: The diaphragm includes a first layer containing silicon as a constituent element, a third layer disposed between the first layer and the piezoelectric actuator and containing zirconium as a constituent element, and a second layer disposed between the first layer and the third layer and containing at least one selected from the group consisting of a metal other than iron, silicon, and zirconium, a metalloid, and a semiconductor, as a constituent element, in the second layer and the third layer, a position with a highest concentration of impurities other than the constituent elements of the second layer and the third layer is in the second layer, a position with a highest concentration of zirconium is in the third layer, and a position with a highest concentration of silicon is in the first layer.

Abstract: A piezoelectric device including a flow path forming substrate in which pressure chambers are formed, a diaphragm, and piezoelectric actuators. Active portions, each having a piezoelectric layer interposed between a first electrode and a second electrode, are each, in plan view, provided from an edge portion opposing the pressure chamber to a portion outside the pressure chamber, and a ratio of a film thickness of the piezoelectric layer to a film thickness of the diaphragm is 4.7 or less.

Abstract: The present disclosure has a configuration in which a distributor who performs a separate distribution that is different from this live content, or a viewer who views this separate distribution can participate in a virtual space and express intent or participate in visual recognition through the commitment of a virtual item.

Abstract: A substrate having a recessed portion, a diaphragm, and a piezoelectric actuator are provided, the diaphragm includes a first layer containing silicon as a constituent element, and a third layer disposed between the first layer and the piezoelectric actuator and containing zirconium as a constituent element, and a laminated side surface of the first layer and the third layer is covered with a moisture-resistant protective film containing at least one selected from the group made of oxide, nitride, metal, and diamond-like carbon.

Abstract: A substrate, a diaphragm, and a piezoelectric actuator are laminated in this order in a first direction, the diaphragm includes a first layer containing silicon as a constituent element, a second layer disposed between the first layer and the piezoelectric actuator, and containing any one or both of at least one metal element selected from the group made of chromium, titanium, aluminum, tantalum, hafnium, and iridium, and silicon nitride, as a constituent element, and a third layer disposed between the second layer and the piezoelectric actuator and containing zirconium as a constituent element, and a fourth layer containing any one or both of at least one metal element selected from the group made of chromium, titanium, aluminum, tantalum, hafnium, and iridium, and silicon nitride, as a constituent element is provided on the third layer on a piezoelectric actuator side.

Abstract: An arithmetic processing device includes: a memory; and a processor coupled to the memory and configured to: store a minimum value of a loss function in a first two-dimensional array; and determine a break position in a quantization process on a basis of a second two-dimensional array that represents the break position in a case where the loss function is minimized in the first two-dimensional array.

Abstract: A method for producing a piezoelectric actuator including forming a vibration plate, forming a first electrode on the vibration plate, forming a piezoelectric layer on the first electrode, and forming a second electrode on the piezoelectric layer, wherein the forming the vibration plate has a single layer forming step including forming a metal layer containing zirconium by a gas phase method, and forming a metal oxide layer by firing the metal layer, the single layer forming step is repeated, thereby forming the vibration plate in which the metal oxide layers are stacked, and the metal oxide layer has a thickness less than 200 nm.

Abstract: A message management unit receives and accumulates a message, wherein the message is distributed for every update, is the message data representing a latest situation of a competition, an explanation generation unit generates an explanatory text for conveying unconveyed information detected from the message, based on conveyed information, a speech synthesis unit outputs a speech converted from the explanatory text, wherein the explanation generation unit stores the unconveyed information for the explanatory text as the conveyed information, stands by until completion of completion of the speech, and initiates a procedure for generating a new explanatory text based on updated unconveyed information.

Abstract: There is provided a content distribution device including a virtual character arrangement acquisitor that acquires an arrangement in a virtual space of each of a plurality of virtual characters respectively corresponding to a plurality of participants in accordance with an operation of a corresponding participant, a trigger detector that detects a first trigger and thereafter detects a second trigger, and a display control data distributor that generates and distributes display control data for displaying at least a part of the virtual space in which the plurality of virtual characters is arranged.

Abstract: A non-transitory computer-readable recording medium stores an execution program for causing a computer to execute a process, the process includes setting information based on an order sequence and a number of orders regarding an order to a first array, and convolving a second array that corresponds to an order condition in which prices at multiple stages are set depending on the number of orders to the first set array using a Try-And-Clean-Up (TACU) algorithm.

Abstract: A non-transitory computer-readable recording medium stores an execution program for causing a computer to execute a process, the process includes accepting orders to each of which a condition of a number of executions is designated, setting the accepted orders as respective polynomials using the designated number of executions in the condition as a degree, representing an order status in which the accepted orders are combined as a polynomial on a finite field according to a product of the polynomials, dividing the polynomial on the finite field by a polynomial that corresponds to an order to be executed or canceled, and updating the polynomial on the finite field to a resulted polynomial after the division.

Abstract: A non-transitory computer-readable recording medium stores an execution program for causing a computer to execute a process, the process includes accepting orders to each of which a condition of a number of executions is designated, setting the accepted orders as respective polynomials using the designated number of executions in the condition as a degree, performing Fourier transform on each of the polynomials, performing convolution calculation on the polynomials after the Fourier transform, and performing Fourier inverse transform on a calculation result of the convolution calculation to obtain a polynomial on a finite field according to a product of the polynomials, the polynomial on the finite field representing an order status in which the accepted orders are combined.

Abstract: A rear-facing camera captures a live-action video image while a front-facing camera captures an image of a distributor. The avatar controller controls an avatar based on the image of the distributor captured by the front-facing camera, and move the position of the avatar in the real space coordinate system according to the position of the video synthesis device in the real space coordinate system. A synthesizer arranges the avatar in a predetermined position of a real space coordinate system and synthesizes the avatar with the live-action video image.

Abstract: A liquid ejecting head including a flow path forming substrate in which a pressure chamber is formed, a diaphragm, and a piezoelectric actuator. The piezoelectric actuator includes an active portion in which a piezoelectric layer is interposed between a first electrode and a second electrode. The active portion, in plan view, overlaps at least a portion of the pressure chamber and is provided so as to extend to an outside of the pressure chamber. The pressure chamber is formed so that, the closer to the piezoelectric actuator in a layered direction of the flow path forming substrate and the diaphragm, a width of the pressure chamber in a direction intersecting the layered direction becomes smaller.

Abstract: An opening/closing body locking device for an opening/closing body that is openably/closably mounted to an opening portion of a stationary body, the locking device including locking portions provided on both lateral sides of the opening/closing body, a pair of link rods that are mounted to the stationary body, and are interlocked with each other to slidably move so that hook portions at distal ends thereof engage and disengage the locking portions, a biasing unit that biases the link rods in directions that the hook portions of the link rods engage the locking portions, and an operating member that causes the hook portions of the link rods to slide in directions that the hook portions disengage the locking portions against biasing force of the biasing unit, pressing members that are provided on the both lateral sides of the opening portion of the stationary body.

Abstract: The interface region may include a region in which first intensity is higher than second intensity and in which the first intensity is higher than third intensity, where a degree of orientation of the (?211) crystal face of the second layer is denoted as the first intensity, the degree of orientation of the (?111) crystal face of the second layer is denoted as the second intensity, and the degree of orientation of the (002) crystal face of the second layer is denoted as the third intensity. The surface-layer region may include a region in which the first intensity is higher than the third intensity and in which the second intensity is higher than the third intensity.